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Photonic-chip-on-tip: compound photonic devices fabricated on optical fibers
References. View by:. Article Order. Year. Author. Publication. P. Dong, Y.-K. Chen, G.-H. Duan, and D. T. Neilson, “Silicon photonic devices and integrated circuits,” Nanophotonics?3(4-5), 215–228 (2014). [Crossref] . M. J. R. Heck, J. F. Bauters, M. L. Davenport, J. K. Doylend, S. Jain, G. Kurczveil, S. Srinivasan, Y. Tang, and J. E. Bowers, “Hybrid silicon photonic integrated circuit technology,” IEEE J. Sel. Top. Quantum Electron.?19(4), 6100117 (2013). [Crossref] . A. Bogucki, ?. Zinkiewicz, W. Pacuski, P. Wasylczyk, and P. Kossacki, “Optical fiber micro-connector with nanometer positioning precision for rapid prototyping of photonic devices,” Opt. Express?26(9), 11513–11518 (2018). [Crossref] [PubMed] . P. I. Dietrich, M. Blaicher, I. Reuter, M. Billah, T. Hoose, A. Hofmann, C. Caer, R. Dangel, B. Offrein, U. Troppenz, M. Moehrle, W. Freude, and C. Koos, “In situ 3D nanoprinting of free-form coupling elements for hybrid photonic integration,” Nat. Photonics?12(4), 241–247 (2018). [Crossref] . M. Malinauskas, A. ?ukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevi?iūt?, I. Sakellari, M. Farsari, and S. Juodkazis, “Femtosecond laser polymerization of hybrid/integrated micro-optical elements and their characterization,” J. Opt.?12(12), 124010 (2010). [Crossref] . A. ?ukauskas, V. Melissinaki, D. Kaskelyte, M. Farsari, and M. Malinauskas, “Improvement of the fabrication accuracy of fiber tip microoptical components via mode field expansion,” J. Laser Micro Nanoeng.?9(1), 68–72 (2014). [Crossref] . T. Gissibl, S. Thiele, A. Herkommer, and H. Giessen, “Two-photon direct laser writing of ultracompact multi-lens objectives,” Nat. Photonics?10(8), 554–560 (2016). [Crossref] . T. Gissibl, M. Schmid, and H. Giessen, “Spatial beam intensity shaping using phase masks on single-mode optical fibers fabricated by femtosecond direct laser writing,” Optica?3(4), 448–451 (2016). [Crossref] . M. Kowalczyk, J. Haberko, and P. Wasylczyk, “Microstructured gradient-index antireflective coating fabricated on a fiber tip with direct laser writing,” Opt. Express?22(10), 12545–12550 (2014). [Crossref] [PubMed] . H. Wang, Z. Xie, M. Zhang, H. Cui, J. He, S. Feng, X. Wang, W. Sun, J. Ye, P. Han, and Y. Zhang, “A miniaturized optical fiber microphone with concentric nanorings grating and microsprings structured diaphragm,” Opt. Laser Technol.?78, 110–115 (2016). [Crossref] . D. Taillaert, F. Van Laere, M. Ayre, W. Bogaerts, D. Van Thourhout, P. Bienstman, and R. Baets, “Grating couplers for coupling between optical fibers and nanophotonic waveguides,” Jpn. J. Appl. Phys.?45(8A), 6071–6077 (2006). [Crossref] . G. Maire, L. Vivien, G. Sattler, A. Ka?mierczak, B. Sanchez, K. B. Gylfason, A. Griol, D. Marris-Morini, E. Cassan, D. Giannone, H. Sohlstr?m, and D. Hill, “High efficiency silicon nitride surface grating couplers,” Opt. Express?16(1), 328–333 (2008). [Crossref] [PubMed] . S. K. Selvaraja, D. Vermeulen, M. Schaekers, E. Sleeckx, W. Bogaerts, G. Roelkens, P. Dumon, D. Van Thourhout, and R. Baets, “Highly efficient grating coupler between optical fiber and silicon photonic circuit,” in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (Optical Society of America, 2009), paper CTuC6. . N. Lindenmann, G. Balthasar, D. Hillerkuss, R. Schmogrow, M. Jordan, J. Leuthold, W. Freude, and C. Koos, “Photonic wire bonding: a novel concept for chip-scale interconnects,” Opt. Express?20(16), 17667–17677 (2012). [Crossref] [PubMed] . N. Lindenmann, S. Dottermusch, M. L. Goedecke, T. Hoose, M. R. Billah, T. P. Onanuga, A. Hofmann, W. Freude, and C. Koos, “Connecting silicon photonic circuits to multicore fibers by photonic wire bonding,” J. Lit. Technol.?33(4), 755–760 (2015). [Crossref] . T. Gissibl, S. Wagner, J. Sykora, M. Schmid, and H. Giessen, “Refractive index measurements of photo-resists for three-dimensional direct laser writing,” Opt. Mater. Express?7(7), 2293–2298 (2017). [Crossref] . A. R. Nelson, “Coupling optical waveguides by tapers,” Appl. Opt.?14(12), 3012–3015 (1975). [Crossref] [PubMed] . M. Schumann, T. Bückmann, N. Gruhler, M. Wegener, and W. Pernice, “Hybrid 2D–3D optical devices for integrated optics by direct laser writing,” Light Sci. Appl.?3(6), e175 (2014). [Crossref] . Y. Fu, T. Ye, W. Tang, and T. Chu, “Efficient adiabatic silicon-on-insulator waveguide taper,” Photon. Res. PRJ?2, A41–A44 (2014). . H. Wei, A. K. Amrithanath, and S. Krishnaswamy, “Three-dimensional printed polymer waveguides for whispering gallery mode sensors,” IEEE Photonics Technol. Lett.?30(5), 451–454 (2018). [Crossref] . X. Gao, J. Li, Z. Hao, F. Bo, C. Hu, J. Wang, Z. Liu, Z.-Y. Li, G. Zhang, and J. Xu, “Vertical microgoblet resonator with high sensitivity fabricated by direct laser writing on a Si substrate,” J. Appl. Phys.?121(6), 064502 (2017). [Crossref] . H. Wei and S. Krishnaswamy, “Direct Laser Writing Polymer Micro-Resonators for Refractive Index Sensors,” IEEE Photonics Technol. Lett.?28(24), 2819–2822 (2016). [Crossref] . Z.-P. Liu, Y. Li, Y.-F. Xiao, B.-B. Li, X.-F. Jiang, Y. Qin, X.-B. Feng, H. Yang, and Q. Gong, “Direct laser writing of whispering gallery microcavities by two-photon polymerization,” Appl. Phys. Lett.?97(21), 211105 (2010). [Crossref] . Y. Lai, K. Zhou, L. Zhang, and I. Bennion, “Microchannels in conventional single-mode fibers,” Opt. Lett.?31(17), 2559–2561 (2006). [Crossref] [PubMed] . K. P. Nayak, F. Le Kien, Y. Kawai, K. Hakuta, K. Nakajima, H. T. Miyazaki, and Y. Sugimoto, “Cavity formation on an optical nanofiber using focused ion beam milling technique,” Opt. Express?19(15), 14040–14050 (2011). [Crossref] [PubMed] . S. C. Warren-Smith, R. M. André, C. Perrella, J. Dellith, and H. Bartelt, “Direct core structuring of microstructured optical fibers using focused ion beam milling,” Opt. Express?24(1), 378–387 (2016). [Crossref] [PubMed] . 2018 (3). A. Bogucki, ?. Zinkiewicz, W. Pacuski, P. Wasylczyk, and P. Kossacki, “Optical fiber micro-connector with nanometer positioning precision for rapid prototyping of photonic devices,” Opt. Express?26(9), 11513–11518 (2018). [Crossref] [PubMed] P. I. Dietrich, M. Blaicher, I. Reuter, M. Billah, T. Hoose, A. Hofmann, C. Caer, R. Dangel, B. Offrein, U. Troppenz, M. Moehrle, W. Freude, and C. Koos, “In situ 3D nanoprinting of free-form coupling elements for hybrid photonic integration,” Nat. Photonics?12(4), 241–247 (2018). [Crossref] H. Wei, A. K. Amrithanath, and S. Krishnaswamy, “Three-dimensional printed polymer waveguides for whispering gallery mode sensors,” IEEE Photonics Technol. Lett.?30(5), 451–454 (2018). [Crossref] 2017 (2). X. Gao, J. Li, Z. Hao, F. Bo, C. Hu, J. Wang, Z. Liu, Z.-Y. Li, G. Zhang, and J. Xu, “Vertical microgoblet resonator with high sensitivity fabricated by direct laser writing on a Si substrate,” J. Appl. Phys.?121(6), 064502 (2017). [Crossref] T. Gissibl, S. Wagner, J. Sykora, M. Schmid, and H. Giessen, “Refractive index measurements of photo-resists for three-dimensional direct laser writing,” Opt. Mater. Express?7(7), 2293–2298 (2017). [Crossref] 2016 (5). T. Gissibl, S. Thiele, A. Herkommer, and H. Giessen, “Two-photon direct laser writing of ultracompact multi-lens objectives,” Nat. Photonics?10(8), 554–560 (2016). [Crossref] T. Gissibl, M. Schmid, and H. Giessen, “Spatial beam intensity shaping using phase masks on single-mode optical fibers fabricated by femtosecond direct laser writing,” Optica?3(4), 448–451 (2016). [Crossref] H. Wang, Z. Xie, M. Zhang, H. Cui, J. He, S. Feng, X. Wang, W. Sun, J. Ye, P. Han, and Y. Zhang, “A miniaturized optical fiber microphone with concentric nanorings grating and microsprings structured diaphragm,” Opt. Laser Technol.?78, 110–115 (2016). [Crossref] H. Wei and S. Krishnaswamy, “Direct Laser Writing Polymer Micro-Resonators for Refractive Index Sensors,” IEEE Photonics Technol. Lett.?28(24), 2819–2822 (2016). [Crossref] S. C. Warren-Smith, R. M. André, C. Perrella, J. Dellith, and H. Bartelt, “Direct core structuring of microstructured optical fibers using focused ion beam milling,” Opt. Express?24(1), 378–387 (2016). [Crossref] [PubMed] 2015 (1). N. Lindenmann, S. Dottermusch, M. L. Goedecke, T. Hoose, M. R. Billah, T. P. Onanuga, A. Hofmann, W. Freude, and C. Koos, “Connecting silicon photonic circuits to multicore fibers by photonic wire bonding,” J. Lit. Technol.?33(4), 755–760 (2015). [Crossref] 2014 (5). A. ?ukauskas, V. Melissinaki, D. Kaskelyte, M. Farsari, and M. Malinauskas, “Improvement of the fabrication accuracy of fiber tip microoptical components via mode field expansion,” J. Laser Micro Nanoeng.?9(1), 68–72 (2014). [Crossref] M. Schumann, T. Bückmann, N. Gruhler, M. Wegener, and W. Pernice, “Hybrid 2D–3D optical devices for integrated optics by direct laser writing,” Light Sci. Appl.?3(6), e175 (2014). [Crossref] Y. Fu, T. Ye, W. Tang, and T. Chu, “Efficient adiabatic silicon-on-insulator waveguide taper,” Photon. Res. PRJ?2, A41–A44 (2014). M. Kowalczyk, J. Haberko, and P. Wasylczyk, “Microstructured gradient-index antireflective coating fabricated on a fiber tip with direct laser writing,” Opt. Express?22(10), 12545–12550 (2014). [Crossref] [PubMed] P. Dong, Y.-K. Chen, G.-H. Duan, and D. T. Neilson, “Silicon photonic devices and integrated circuits,” Nanophotonics?3(4-5), 215–228 (2014). [Crossref] 2013 (1). M. J. R. Heck, J. F. Bauters, M. L. Davenport, J. K. Doylend, S. Jain, G. Kurczveil, S. Srinivasan, Y. Tang, and J. E. Bowers, “Hybrid silicon photonic integrated circuit technology,” IEEE J. Sel. Top. Quantum Electron.?19(4), 6100117 (2013). [Crossref] 2012 (1). N. Lindenmann, G. Balthasar, D. Hillerkuss, R. Schmogrow, M. Jordan, J. Leuthold, W. Freude, and C. Koos, “Photonic wire bonding: a novel concept for chip-scale interconnects,” Opt. Express?20(16), 17667–17677 (2012). [Crossref] [PubMed] 2011 (1). K. P. Nayak, F. Le Kien, Y. Kawai, K. Hakuta, K. Nakajima, H. T. Miyazaki, and Y. Sugimoto, “Cavity formation on an optical nanofiber using focused ion beam milling technique,” Opt. Express?19(15), 14040–14050 (2011). [Crossref] [PubMed] 2010 (2). Z.-P. Liu, Y. Li, Y.-F. Xiao, B.-B. Li, X.-F. Jiang, Y. Qin, X.-B. Feng, H. Yang, and Q. Gong, “Direct laser writing of whispering gallery microcavities by two-photon polymerization,” Appl. Phys. Lett.?97(21), 211105 (2010). [Crossref] M. Malinauskas, A. ?ukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevi?iūt?, I. Sakellari, M. Farsari, and S. Juodkazis, “Femtosecond laser polymerization of hybrid/integrated micro-optical elements and their characterization,” J. Opt.?12(12), 124010 (2010). [Crossref] 2008 (1). G. Maire, L. Vivien, G. Sattler, A. Ka?mierczak, B. Sanchez, K. B. Gylfason, A. Griol, D. Marris-Morini, E. Cassan, D. Giannone, H. Sohlstr?m, and D. Hill, “High efficiency silicon nitride surface grating couplers,” Opt. Express?16(1), 328–333 (2008). [Crossref] [PubMed] 2006 (2). D. Taillaert, F. Van Laere, M. Ayre, W. Bogaerts, D. Van Thourhout, P. Bienstman, and R. Baets, “Grating couplers for coupling between optical fibers and nanophotonic waveguides,” Jpn. J. Appl. Phys.?45(8A), 6071–6077 (2006). [Crossref] Y. Lai, K. Zhou, L. Zhang, and I. Bennion, “Microchannels in conventional single-mode fibers,” Opt. Lett.?31(17), 2559–2561 (2006). [Crossref] [PubMed] 1975 (1). A. R. Nelson, “Coupling optical waveguides by tapers,” Appl. Opt.?14(12), 3012–3015 (1975). [Crossref] [PubMed] Amrithanath, A. K.. H. Wei, A. K. Amrithanath, and S. Krishnaswamy, “Three-dimensional printed polymer waveguides for whispering gallery mode sensors,” IEEE Photonics Technol. Lett.?30(5), 451–454 (2018). [Crossref] André, R. M.. S. C. Warren-Smith, R. M. André, C. Perrella, J. Dellith, and H. Bartelt, “Direct core structuring of microstructured optical fibers using focused ion beam milling,” Opt. Express?24(1), 378–387 (2016). [Crossref] [PubMed] Ayre, M.. D. Taillaert, F. Van Laere, M. Ayre, W. Bogaerts, D. Van Thourhout, P. Bienstman, and R. Baets, “Grating couplers for coupling between optical fibers and nanophotonic waveguides,” Jpn. J. Appl. Phys.?45(8A), 6071–6077 (2006). [Crossref] Baets, R.. D. Taillaert, F. Van Laere, M. Ayre, W. Bogaerts, D. Van Thourhout, P. Bienstman, and R. Baets, “Grating couplers for coupling between optical fibers and nanophotonic waveguides,” Jpn. J. Appl. Phys.?45(8A), 6071–6077 (2006). [Crossref] Balthasar, G.. N. Lindenmann, G. Balthasar, D. Hillerkuss, R. Schmogrow, M. Jordan, J. Leuthold, W. Freude, and C. Koos, “Photonic wire bonding: a novel concept for chip-scale interconnects,” Opt. Express?20(16), 17667–17677 (2012). [Crossref] [PubMed] Bartelt, H.. S. C. Warren-Smith, R. M. André, C. Perrella, J. Dellith, and H. Bartelt, “Direct core structuring of microstructured optical fibers using focused ion beam milling,” Opt. Express?24(1), 378–387 (2016). [Crossref] [PubMed] Bauters, J. F.. M. J. R. Heck, J. F. Bauters, M. L. Davenport, J. K. Doylend, S. Jain, G. Kurczveil, S. Srinivasan, Y. Tang, and J. E. Bowers, “Hybrid silicon photonic integrated circuit technology,” IEEE J. Sel. Top. Quantum Electron.?19(4), 6100117 (2013). [Crossref] Belazaras, K.. M. Malinauskas, A. ?ukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevi?iūt?, I. Sakellari, M. Farsari, and S. Juodkazis, “Femtosecond laser polymerization of hybrid/integrated micro-optical elements and their characterization,” J. Opt.?12(12), 124010 (2010). [Crossref] Bennion, I.. Y. Lai, K. Zhou, L. Zhang, and I. Bennion, “Microchannels in conventional single-mode fibers,” Opt. Lett.?31(17), 2559–2561 (2006). [Crossref] [PubMed] Bienstman, P.. D. Taillaert, F. Van Laere, M. Ayre, W. Bogaerts, D. Van Thourhout, P. Bienstman, and R. Baets, “Grating couplers for coupling between optical fibers and nanophotonic waveguides,” Jpn. J. Appl. Phys.?45(8A), 6071–6077 (2006). [Crossref] Billah, M.. P. I. Dietrich, M. Blaicher, I. Reuter, M. Billah, T. Hoose, A. Hofmann, C. Caer, R. Dangel, B. Offrein, U. Troppenz, M. Moehrle, W. Freude, and C. Koos, “In situ 3D nanoprinting of free-form coupling elements for hybrid photonic integration,” Nat. Photonics?12(4), 241–247 (2018). [Crossref] Billah, M. R.. N. Lindenmann, S. Dottermusch, M. L. Goedecke, T. Hoose, M. R. Billah, T. P. Onanuga, A. Hofmann, W. Freude, and C. Koos, “Connecting silicon photonic circuits to multicore fibers by photonic wire bonding,” J. Lit. Technol.?33(4), 755–760 (2015). [Crossref] Blaicher, M.. P. I. Dietrich, M. Blaicher, I. Reuter, M. Billah, T. Hoose, A. Hofmann, C. Caer, R. Dangel, B. Offrein, U. Troppenz, M. Moehrle, W. Freude, and C. Koos, “In situ 3D nanoprinting of free-form coupling elements for hybrid photonic integration,” Nat. Photonics?12(4), 241–247 (2018). [Crossref] Bo, F.. X. Gao, J. Li, Z. Hao, F. Bo, C. Hu, J. Wang, Z. Liu, Z.-Y. Li, G. Zhang, and J. Xu, “Vertical microgoblet resonator with high sensitivity fabricated by direct laser writing on a Si substrate,” J. Appl. Phys.?121(6), 064502 (2017). [Crossref] Bogaerts, W.. D. Taillaert, F. Van Laere, M. Ayre, W. Bogaerts, D. Van Thourhout, P. Bienstman, and R. Baets, “Grating couplers for coupling between optical fibers and nanophotonic waveguides,” Jpn. J. Appl. Phys.?45(8A), 6071–6077 (2006). [Crossref] Bogucki, A.. A. Bogucki, ?. Zinkiewicz, W. Pacuski, P. Wasylczyk, and P. Kossacki, “Optical fiber micro-connector with nanometer positioning precision for rapid prototyping of photonic devices,” Opt. Express?26(9), 11513–11518 (2018). [Crossref] [PubMed] Bowers, J. E.. M. J. R. Heck, J. F. Bauters, M. L. Davenport, J. K. Doylend, S. Jain, G. Kurczveil, S. Srinivasan, Y. Tang, and J. E. Bowers, “Hybrid silicon photonic integrated circuit technology,” IEEE J. Sel. Top. Quantum Electron.?19(4), 6100117 (2013). [Crossref] Bückmann, T.. M. Schumann, T. Bückmann, N. Gruhler, M. Wegener, and W. Pernice, “Hybrid 2D–3D optical devices for integrated optics by direct laser writing,” Light Sci. Appl.?3(6), e175 (2014). [Crossref] Caer, C.. P. I. Dietrich, M. Blaicher, I. Reuter, M. Billah, T. Hoose, A. Hofmann, C. Caer, R. Dangel, B. Offrein, U. Troppenz, M. Moehrle, W. Freude, and C. Koos, “In situ 3D nanoprinting of free-form coupling elements for hybrid photonic integration,” Nat. Photonics?12(4), 241–247 (2018). [Crossref] Cassan, E.. G. Maire, L. Vivien, G. Sattler, A. Ka?mierczak, B. Sanchez, K. B. Gylfason, A. Griol, D. Marris-Morini, E. Cassan, D. Giannone, H. Sohlstr?m, and D. Hill, “High efficiency silicon nitride surface grating couplers,” Opt. Express?16(1), 328–333 (2008). [Crossref] [PubMed] Chen, Y.-K.. P. Dong, Y.-K. Chen, G.-H. Duan, and D. T. Neilson, “Silicon photonic devices and integrated circuits,” Nanophotonics?3(4-5), 215–228 (2014). [Crossref] Chu, T.. Y. Fu, T. Ye, W. Tang, and T. Chu, “Efficient adiabatic silicon-on-insulator waveguide taper,” Photon. Res. PRJ?2, A41–A44 (2014). Cui, H.. H. Wang, Z. Xie, M. Zhang, H. Cui, J. He, S. Feng, X. Wang, W. Sun, J. Ye, P. Han, and Y. Zhang, “A miniaturized optical fiber microphone with concentric nanorings grating and microsprings structured diaphragm,” Opt. Laser Technol.?78, 110–115 (2016). [Crossref] Dangel, R.. P. I. Dietrich, M. Blaicher, I. Reuter, M. Billah, T. Hoose, A. Hofmann, C. Caer, R. Dangel, B. Offrein, U. Troppenz, M. Moehrle, W. Freude, and C. Koos, “In situ 3D nanoprinting of free-form coupling elements for hybrid photonic integration,” Nat. Photonics?12(4), 241–247 (2018). [Crossref] Davenport, M. L.. M. J. R. Heck, J. F. Bauters, M. L. Davenport, J. K. Doylend, S. Jain, G. Kurczveil, S. Srinivasan, Y. Tang, and J. E. Bowers, “Hybrid silicon photonic integrated circuit technology,” IEEE J. Sel. Top. Quantum Electron.?19(4), 6100117 (2013). [Crossref] Dellith, J.. S. C. Warren-Smith, R. M. André, C. Perrella, J. Dellith, and H. Bartelt, “Direct core structuring of microstructured optical fibers using focused ion beam milling,” Opt. Express?24(1), 378–387 (2016). [Crossref] [PubMed] Dietrich, P. I.. P. I. Dietrich, M. Blaicher, I. Reuter, M. Billah, T. Hoose, A. Hofmann, C. Caer, R. Dangel, B. Offrein, U. Troppenz, M. Moehrle, W. Freude, and C. Koos, “In situ 3D nanoprinting of free-form coupling elements for hybrid photonic integration,” Nat. Photonics?12(4), 241–247 (2018). [Crossref] Dong, P.. P. Dong, Y.-K. Chen, G.-H. Duan, and D. T. Neilson, “Silicon photonic devices and integrated circuits,” Nanophotonics?3(4-5), 215–228 (2014). [Crossref] Dottermusch, S.. N. Lindenmann, S. Dottermusch, M. L. Goedecke, T. Hoose, M. R. Billah, T. P. Onanuga, A. Hofmann, W. Freude, and C. Koos, “Connecting silicon photonic circuits to multicore fibers by photonic wire bonding,” J. Lit. Technol.?33(4), 755–760 (2015). [Crossref] Doylend, J. K.. M. J. R. Heck, J. F. Bauters, M. L. Davenport, J. K. Doylend, S. Jain, G. Kurczveil, S. Srinivasan, Y. Tang, and J. E. Bowers, “Hybrid silicon photonic integrated circuit technology,” IEEE J. Sel. Top. Quantum Electron.?19(4), 6100117 (2013). [Crossref] Duan, G.-H.. P. Dong, Y.-K. Chen, G.-H. Duan, and D. T. Neilson, “Silicon photonic devices and integrated circuits,” Nanophotonics?3(4-5), 215–228 (2014). [Crossref] Farsari, M.. A. ?ukauskas, V. Melissinaki, D. Kaskelyte, M. Farsari, and M. Malinauskas, “Improvement of the fabrication accuracy of fiber tip microoptical components via mode field expansion,” J. Laser Micro Nanoeng.?9(1), 68–72 (2014). [Crossref] M. Malinauskas, A. ?ukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevi?iūt?, I. Sakellari, M. Farsari, and S. Juodkazis, “Femtosecond laser polymerization of hybrid/integrated micro-optical elements and their characterization,” J. Opt.?12(12), 124010 (2010). [Crossref] Feng, S.. H. Wang, Z. Xie, M. Zhang, H. Cui, J. He, S. Feng, X. Wang, W. Sun, J. Ye, P. Han, and Y. Zhang, “A miniaturized optical fiber microphone with concentric nanorings grating and microsprings structured diaphragm,” Opt. Laser Technol.?78, 110–115 (2016). [Crossref] Feng, X.-B.. Z.-P. Liu, Y. Li, Y.-F. Xiao, B.-B. Li, X.-F. Jiang, Y. Qin, X.-B. Feng, H. Yang, and Q. Gong, “Direct laser writing of whispering gallery microcavities by two-photon polymerization,” Appl. Phys. Lett.?97(21), 211105 (2010). [Crossref] Freude, W.. P. I. Dietrich, M. Blaicher, I. Reuter, M. Billah, T. Hoose, A. Hofmann, C. Caer, R. Dangel, B. Offrein, U. Troppenz, M. Moehrle, W. Freude, and C. Koos, “In situ 3D nanoprinting of free-form coupling elements for hybrid photonic integration,” Nat. Photonics?12(4), 241–247 (2018). [Crossref] N. Lindenmann, S. Dottermusch, M. L. Goedecke, T. Hoose, M. R. Billah, T. P. Onanuga, A. Hofmann, W. Freude, and C. Koos, “Connecting silicon photonic circuits to multicore fibers by photonic wire bonding,” J. Lit. Technol.?33(4), 755–760 (2015). [Crossref] N. Lindenmann, G. Balthasar, D. Hillerkuss, R. Schmogrow, M. Jordan, J. Leuthold, W. Freude, and C. Koos, “Photonic wire bonding: a novel concept for chip-scale interconnects,” Opt. Express?20(16), 17667–17677 (2012). [Crossref] [PubMed] Fu, Y.. Y. Fu, T. Ye, W. Tang, and T. Chu, “Efficient adiabatic silicon-on-insulator waveguide taper,” Photon. Res. PRJ?2, A41–A44 (2014). Gadonas, R.. M. Malinauskas, A. ?ukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevi?iūt?, I. Sakellari, M. Farsari, and S. Juodkazis, “Femtosecond laser polymerization of hybrid/integrated micro-optical elements and their characterization,” J. Opt.?12(12), 124010 (2010). [Crossref] Gaidukeviciute, A.. M. Malinauskas, A. ?ukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevi?iūt?, I. Sakellari, M. Farsari, and S. Juodkazis, “Femtosecond laser polymerization of hybrid/integrated micro-optical elements and their characterization,” J. Opt.?12(12), 124010 (2010). [Crossref] Gao, X.. X. Gao, J. Li, Z. Hao, F. Bo, C. Hu, J. Wang, Z. Liu, Z.-Y. Li, G. Zhang, and J. Xu, “Vertical microgoblet resonator with high sensitivity fabricated by direct laser writing on a Si substrate,” J. Appl. Phys.?121(6), 064502 (2017). [Crossref] Giannone, D.. G. Maire, L. Vivien, G. Sattler, A. Ka?mierczak, B. Sanchez, K. B. Gylfason, A. Griol, D. Marris-Morini, E. Cassan, D. Giannone, H. Sohlstr?m, and D. Hill, “High efficiency silicon nitride surface grating couplers,” Opt. Express?16(1), 328–333 (2008). [Crossref] [PubMed] Giessen, H.. T. Gissibl, S. Wagner, J. Sykora, M. Schmid, and H. Giessen, “Refractive index measurements of photo-resists for three-dimensional direct laser writing,” Opt. Mater. Express?7(7), 2293–2298 (2017). [Crossref] T. Gissibl, S. Thiele, A. Herkommer, and H. Giessen, “Two-photon direct laser writing of ultracompact multi-lens objectives,” Nat. Photonics?10(8), 554–560 (2016). [Crossref] T. Gissibl, M. Schmid, and H. Giessen, “Spatial beam intensity shaping using phase masks on single-mode optical fibers fabricated by femtosecond direct laser writing,” Optica?3(4), 448–451 (2016). [Crossref] Gilbergs, H.. M. Malinauskas, A. ?ukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevi?iūt?, I. Sakellari, M. Farsari, and S. Juodkazis, “Femtosecond laser polymerization of hybrid/integrated micro-optical elements and their characterization,” J. Opt.?12(12), 124010 (2010). [Crossref] Gissibl, T.. T. Gissibl, S. Wagner, J. Sykora, M. Schmid, and H. Giessen, “Refractive index measurements of photo-resists for three-dimensional direct laser writing,” Opt. Mater. Express?7(7), 2293–2298 (2017). [Crossref] T. Gissibl, M. Schmid, and H. Giessen, “Spatial beam intensity shaping using phase masks on single-mode optical fibers fabricated by femtosecond direct laser writing,” Optica?3(4), 448–451 (2016). [Crossref] T. Gissibl, S. Thiele, A. Herkommer, and H. Giessen, “Two-photon direct laser writing of ultracompact multi-lens objectives,” Nat. Photonics?10(8), 554–560 (2016). [Crossref] Goedecke, M. L.. N. Lindenmann, S. Dottermusch, M. L. Goedecke, T. Hoose, M. R. Billah, T. P. Onanuga, A. Hofmann, W. Freude, and C. Koos, “Connecting silicon photonic circuits to multicore fibers by photonic wire bonding,” J. Lit. Technol.?33(4), 755–760 (2015). [Crossref] Gong, Q.. Z.-P. Liu, Y. Li, Y.-F. Xiao, B.-B. Li, X.-F. Jiang, Y. Qin, X.-B. Feng, H. Yang, and Q. Gong, “Direct laser writing of whispering gallery microcavities by two-photon polymerization,” Appl. Phys. Lett.?97(21), 211105 (2010). [Crossref] Griol, A.. G. Maire, L. Vivien, G. Sattler, A. Ka?mierczak, B. Sanchez, K. B. Gylfason, A. Griol, D. Marris-Morini, E. Cassan, D. Giannone, H. Sohlstr?m, and D. Hill, “High efficiency silicon nitride surface grating couplers,” Opt. Express?16(1), 328–333 (2008). [Crossref] [PubMed] Gruhler, N.. M. Schumann, T. Bückmann, N. Gruhler, M. Wegener, and W. Pernice, “Hybrid 2D–3D optical devices for integrated optics by direct laser writing,” Light Sci. Appl.?3(6), e175 (2014). [Crossref] Gylfason, K. B.. G. Maire, L. Vivien, G. Sattler, A. Ka?mierczak, B. Sanchez, K. B. Gylfason, A. Griol, D. Marris-Morini, E. Cassan, D. Giannone, H. Sohlstr?m, and D. Hill, “High efficiency silicon nitride surface grating couplers,” Opt. Express?16(1), 328–333 (2008). [Crossref] [PubMed] Haberko, J.. M. Kowalczyk, J. Haberko, and P. Wasylczyk, “Microstructured gradient-index antireflective coating fabricated on a fiber tip with direct laser writing,” Opt. Express?22(10), 12545–12550 (2014). [Crossref] [PubMed] Hakuta, K.. K. P. Nayak, F. Le Kien, Y. Kawai, K. Hakuta, K. Nakajima, H. T. Miyazaki, and Y. Sugimoto, “Cavity formation on an optical nanofiber using focused ion beam milling technique,” Opt. Express?19(15), 14040–14050 (2011). [Crossref] [PubMed] Han, P.. H. Wang, Z. Xie, M. Zhang, H. Cui, J. He, S. Feng, X. Wang, W. Sun, J. Ye, P. Han, and Y. Zhang, “A miniaturized optical fiber microphone with concentric nanorings grating and microsprings structured diaphragm,” Opt. Laser Technol.?78, 110–115 (2016). [Crossref] Hao, Z.. X. Gao, J. Li, Z. Hao, F. Bo, C. Hu, J. Wang, Z. Liu, Z.-Y. Li, G. Zhang, and J. Xu, “Vertical microgoblet resonator with high sensitivity fabricated by direct laser writing on a Si substrate,” J. Appl. Phys.?121(6), 064502 (2017). [Crossref] He, J.. H. Wang, Z. Xie, M. Zhang, H. Cui, J. He, S. Feng, X. Wang, W. Sun, J. Ye, P. Han, and Y. Zhang, “A miniaturized optical fiber microphone with concentric nanorings grating and microsprings structured diaphragm,” Opt. Laser Technol.?78, 110–115 (2016). [Crossref] Heck, M. J. R.. M. J. R. Heck, J. F. Bauters, M. L. Davenport, J. K. Doylend, S. Jain, G. Kurczveil, S. Srinivasan, Y. Tang, and J. E. Bowers, “Hybrid silicon photonic integrated circuit technology,” IEEE J. Sel. Top. Quantum Electron.?19(4), 6100117 (2013). [Crossref] Herkommer, A.. T. Gissibl, S. Thiele, A. Herkommer, and H. Giessen, “Two-photon direct laser writing of ultracompact multi-lens objectives,” Nat. Photonics?10(8), 554–560 (2016). [Crossref] Hill, D.. G. Maire, L. Vivien, G. Sattler, A. Ka?mierczak, B. Sanchez, K. B. Gylfason, A. Griol, D. Marris-Morini, E. Cassan, D. Giannone, H. Sohlstr?m, and D. Hill, “High efficiency silicon nitride surface grating couplers,” Opt. Express?16(1), 328–333 (2008). [Crossref] [PubMed] Hillerkuss, D.. N. Lindenmann, G. Balthasar, D. Hillerkuss, R. Schmogrow, M. Jordan, J. Leuthold, W. Freude, and C. Koos, “Photonic wire bonding: a novel concept for chip-scale interconnects,” Opt. Express?20(16), 17667–17677 (2012). [Crossref] [PubMed] Hofmann, A.. P. I. Dietrich, M. Blaicher, I. Reuter, M. Billah, T. Hoose, A. Hofmann, C. Caer, R. Dangel, B. Offrein, U. Troppenz, M. Moehrle, W. Freude, and C. Koos, “In situ 3D nanoprinting of free-form coupling elements for hybrid photonic integration,” Nat. Photonics?12(4), 241–247 (2018). [Crossref] N. Lindenmann, S. Dottermusch, M. L. Goedecke, T. Hoose, M. R. Billah, T. P. Onanuga, A. Hofmann, W. Freude, and C. Koos, “Connecting silicon photonic circuits to multicore fibers by photonic wire bonding,” J. Lit. Technol.?33(4), 755–760 (2015). [Crossref] Hoose, T.. P. I. Dietrich, M. Blaicher, I. Reuter, M. Billah, T. Hoose, A. Hofmann, C. Caer, R. Dangel, B. Offrein, U. Troppenz, M. Moehrle, W. Freude, and C. Koos, “In situ 3D nanoprinting of free-form coupling elements for hybrid photonic integration,” Nat. Photonics?12(4), 241–247 (2018). [Crossref] N. Lindenmann, S. Dottermusch, M. L. Goedecke, T. Hoose, M. R. Billah, T. P. Onanuga, A. Hofmann, W. Freude, and C. Koos, “Connecting silicon photonic circuits to multicore fibers by photonic wire bonding,” J. Lit. Technol.?33(4), 755–760 (2015). [Crossref] Hu, C.. X. Gao, J. Li, Z. Hao, F. Bo, C. Hu, J. Wang, Z. Liu, Z.-Y. Li, G. Zhang, and J. Xu, “Vertical microgoblet resonator with high sensitivity fabricated by direct laser writing on a Si substrate,” J. Appl. Phys.?121(6), 064502 (2017). [Crossref] Jain, S.. M. J. R. Heck, J. F. Bauters, M. L. Davenport, J. K. Doylend, S. Jain, G. Kurczveil, S. Srinivasan, Y. Tang, and J. E. Bowers, “Hybrid silicon photonic integrated circuit technology,” IEEE J. Sel. Top. Quantum Electron.?19(4), 6100117 (2013). [Crossref] Jiang, X.-F.. Z.-P. Liu, Y. Li, Y.-F. Xiao, B.-B. Li, X.-F. Jiang, Y. Qin, X.-B. Feng, H. Yang, and Q. Gong, “Direct laser writing of whispering gallery microcavities by two-photon polymerization,” Appl. Phys. Lett.?97(21), 211105 (2010). [Crossref] Jordan, M.. N. Lindenmann, G. Balthasar, D. Hillerkuss, R. Schmogrow, M. Jordan, J. Leuthold, W. Freude, and C. Koos, “Photonic wire bonding: a novel concept for chip-scale interconnects,” Opt. Express?20(16), 17667–17677 (2012). [Crossref] [PubMed] Juodkazis, S.. M. Malinauskas, A. ?ukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevi?iūt?, I. Sakellari, M. Farsari, and S. Juodkazis, “Femtosecond laser polymerization of hybrid/integrated micro-optical elements and their characterization,” J. Opt.?12(12), 124010 (2010). [Crossref] Kaskelyte, D.. A. ?ukauskas, V. Melissinaki, D. Kaskelyte, M. Farsari, and M. Malinauskas, “Improvement of the fabrication accuracy of fiber tip microoptical components via mode field expansion,” J. Laser Micro Nanoeng.?9(1), 68–72 (2014). [Crossref] Kawai, Y.. K. P. Nayak, F. Le Kien, Y. Kawai, K. Hakuta, K. Nakajima, H. T. Miyazaki, and Y. Sugimoto, “Cavity formation on an optical nanofiber using focused ion beam milling technique,” Opt. Express?19(15), 14040–14050 (2011). [Crossref] [PubMed] Kazmierczak, A.. G. Maire, L. Vivien, G. Sattler, A. Ka?mierczak, B. Sanchez, K. B. Gylfason, A. Griol, D. Marris-Morini, E. Cassan, D. Giannone, H. Sohlstr?m, and D. Hill, “High efficiency silicon nitride surface grating couplers,” Opt. Express?16(1), 328–333 (2008). [Crossref] [PubMed] Koos, C.. P. I. Dietrich, M. Blaicher, I. Reuter, M. Billah, T. Hoose, A. Hofmann, C. Caer, R. Dangel, B. Offrein, U. Troppenz, M. Moehrle, W. Freude, and C. Koos, “In situ 3D nanoprinting of free-form coupling elements for hybrid photonic integration,” Nat. Photonics?12(4), 241–247 (2018). [Crossref] N. Lindenmann, S. Dottermusch, M. L. Goedecke, T. Hoose, M. R. Billah, T. P. Onanuga, A. Hofmann, W. Freude, and C. Koos, “Connecting silicon photonic circuits to multicore fibers by photonic wire bonding,” J. Lit. Technol.?33(4), 755–760 (2015). [Crossref] N. Lindenmann, G. Balthasar, D. Hillerkuss, R. Schmogrow, M. Jordan, J. Leuthold, W. Freude, and C. Koos, “Photonic wire bonding: a novel concept for chip-scale interconnects,” Opt. Express?20(16), 17667–17677 (2012). [Crossref] [PubMed] Kossacki, P.. A. Bogucki, ?. Zinkiewicz, W. Pacuski, P. Wasylczyk, and P. Kossacki, “Optical fiber micro-connector with nanometer positioning precision for rapid prototyping of photonic devices,” Opt. Express?26(9), 11513–11518 (2018). [Crossref] [PubMed] Kowalczyk, M.. M. Kowalczyk, J. Haberko, and P. Wasylczyk, “Microstructured gradient-index antireflective coating fabricated on a fiber tip with direct laser writing,” Opt. Express?22(10), 12545–12550 (2014). [Crossref] [PubMed] Krishnaswamy, S.. H. Wei, A. K. Amrithanath, and S. Krishnaswamy, “Three-dimensional printed polymer waveguides for whispering gallery mode sensors,” IEEE Photonics Technol. Lett.?30(5), 451–454 (2018). [Crossref] H. Wei and S. Krishnaswamy, “Direct Laser Writing Polymer Micro-Resonators for Refractive Index Sensors,” IEEE Photonics Technol. Lett.?28(24), 2819–2822 (2016). [Crossref] Kurczveil, G.. M. J. R. Heck, J. F. Bauters, M. L. Davenport, J. K. Doylend, S. Jain, G. Kurczveil, S. Srinivasan, Y. Tang, and J. E. Bowers, “Hybrid silicon photonic integrated circuit technology,” IEEE J. Sel. Top. Quantum Electron.?19(4), 6100117 (2013). [Crossref] Lai, Y.. Y. Lai, K. Zhou, L. Zhang, and I. Bennion, “Microchannels in conventional single-mode fibers,” Opt. Lett.?31(17), 2559–2561 (2006). [Crossref] [PubMed] Le Kien, F.. K. P. Nayak, F. Le Kien, Y. Kawai, K. Hakuta, K. Nakajima, H. T. Miyazaki, and Y. Sugimoto, “Cavity formation on an optical nanofiber using focused ion beam milling technique,” Opt. Express?19(15), 14040–14050 (2011). [Crossref] [PubMed] Leuthold, J.. N. Lindenmann, G. Balthasar, D. Hillerkuss, R. Schmogrow, M. Jordan, J. Leuthold, W. Freude, and C. Koos, “Photonic wire bonding: a novel concept for chip-scale interconnects,” Opt. Express?20(16), 17667–17677 (2012). [Crossref] [PubMed] Li, B.-B.. Z.-P. Liu, Y. Li, Y.-F. Xiao, B.-B. Li, X.-F. Jiang, Y. Qin, X.-B. Feng, H. Yang, and Q. Gong, “Direct laser writing of whispering gallery microcavities by two-photon polymerization,” Appl. Phys. Lett.?97(21), 211105 (2010). [Crossref] Li, J.. X. Gao, J. Li, Z. Hao, F. Bo, C. Hu, J. Wang, Z. Liu, Z.-Y. Li, G. Zhang, and J. Xu, “Vertical microgoblet resonator with high sensitivity fabricated by direct laser writing on a Si substrate,” J. Appl. Phys.?121(6), 064502 (2017). [Crossref] Li, Y.. Z.-P. Liu, Y. Li, Y.-F. Xiao, B.-B. Li, X.-F. Jiang, Y. Qin, X.-B. Feng, H. Yang, and Q. Gong, “Direct laser writing of whispering gallery microcavities by two-photon polymerization,” Appl. Phys. Lett.?97(21), 211105 (2010). [Crossref] Li, Z.-Y.. X. Gao, J. Li, Z. Hao, F. Bo, C. Hu, J. Wang, Z. Liu, Z.-Y. Li, G. Zhang, and J. Xu, “Vertical microgoblet resonator with high sensitivity fabricated by direct laser writing on a Si substrate,” J. Appl. Phys.?121(6), 064502 (2017). [Crossref] Lindenmann, N.. N. Lindenmann, S. Dottermusch, M. L. Goedecke, T. Hoose, M. R. Billah, T. P. Onanuga, A. Hofmann, W. Freude, and C. Koos, “Connecting silicon photonic circuits to multicore fibers by photonic wire bonding,” J. Lit. Technol.?33(4), 755–760 (2015). [Crossref] N. Lindenmann, G. Balthasar, D. Hillerkuss, R. Schmogrow, M. Jordan, J. Leuthold, W. Freude, and C. Koos, “Photonic wire bonding: a novel concept for chip-scale interconnects,” Opt. Express?20(16), 17667–17677 (2012). [Crossref] [PubMed] Liu, Z.. X. Gao, J. Li, Z. Hao, F. Bo, C. Hu, J. Wang, Z. Liu, Z.-Y. Li, G. Zhang, and J. Xu, “Vertical microgoblet resonator with high sensitivity fabricated by direct laser writing on a Si substrate,” J. Appl. Phys.?121(6), 064502 (2017). [Crossref] Liu, Z.-P.. Z.-P. Liu, Y. Li, Y.-F. Xiao, B.-B. Li, X.-F. Jiang, Y. Qin, X.-B. Feng, H. Yang, and Q. Gong, “Direct laser writing of whispering gallery microcavities by two-photon polymerization,” Appl. Phys. Lett.?97(21), 211105 (2010). [Crossref] Maire, G.. G. Maire, L. Vivien, G. Sattler, A. Ka?mierczak, B. Sanchez, K. B. Gylfason, A. Griol, D. Marris-Morini, E. Cassan, D. Giannone, H. Sohlstr?m, and D. Hill, “High efficiency silicon nitride surface grating couplers,” Opt. Express?16(1), 328–333 (2008). [Crossref] [PubMed] Malinauskas, M.. A. ?ukauskas, V. Melissinaki, D. Kaskelyte, M. Farsari, and M. Malinauskas, “Improvement of the fabrication accuracy of fiber tip microoptical components via mode field expansion,” J. Laser Micro Nanoeng.?9(1), 68–72 (2014). [Crossref] M. Malinauskas, A. ?ukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevi?iūt?, I. Sakellari, M. Farsari, and S. Juodkazis, “Femtosecond laser polymerization of hybrid/integrated micro-optical elements and their characterization,” J. Opt.?12(12), 124010 (2010). [Crossref] Marris-Morini, D.. G. Maire, L. Vivien, G. Sattler, A. Ka?mierczak, B. Sanchez, K. B. Gylfason, A. Griol, D. Marris-Morini, E. Cassan, D. Giannone, H. Sohlstr?m, and D. Hill, “High efficiency silicon nitride surface grating couplers,” Opt. Express?16(1), 328–333 (2008). [Crossref] [PubMed] Melissinaki, V.. A. ?ukauskas, V. Melissinaki, D. Kaskelyte, M. Farsari, and M. Malinauskas, “Improvement of the fabrication accuracy of fiber tip microoptical components via mode field expansion,” J. Laser Micro Nanoeng.?9(1), 68–72 (2014). [Crossref] Miyazaki, H. T.. K. P. Nayak, F. Le Kien, Y. Kawai, K. Hakuta, K. Nakajima, H. T. Miyazaki, and Y. Sugimoto, “Cavity formation on an optical nanofiber using focused ion beam milling technique,” Opt. Express?19(15), 14040–14050 (2011). [Crossref] [PubMed] Moehrle, M.. P. I. Dietrich, M. Blaicher, I. Reuter, M. Billah, T. Hoose, A. Hofmann, C. Caer, R. Dangel, B. Offrein, U. Troppenz, M. Moehrle, W. Freude, and C. Koos, “In situ 3D nanoprinting of free-form coupling elements for hybrid photonic integration,” Nat. Photonics?12(4), 241–247 (2018). [Crossref] Momot, A.. M. Malinauskas, A. ?ukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevi?iūt?, I. Sakellari, M. Farsari, and S. Juodkazis, “Femtosecond laser polymerization of hybrid/integrated micro-optical elements and their characterization,” J. Opt.?12(12), 124010 (2010). [Crossref] Nakajima, K.. K. P. Nayak, F. Le Kien, Y. Kawai, K. Hakuta, K. Nakajima, H. T. Miyazaki, and Y. Sugimoto, “Cavity formation on an optical nanofiber using focused ion beam milling technique,” Opt. Express?19(15), 14040–14050 (2011). [Crossref] [PubMed] Nayak, K. P.. K. P. Nayak, F. Le Kien, Y. Kawai, K. Hakuta, K. Nakajima, H. T. Miyazaki, and Y. Sugimoto, “Cavity formation on an optical nanofiber using focused ion beam milling technique,” Opt. Express?19(15), 14040–14050 (2011). [Crossref] [PubMed] Neilson, D. T.. P. Dong, Y.-K. Chen, G.-H. Duan, and D. T. Neilson, “Silicon photonic devices and integrated circuits,” Nanophotonics?3(4-5), 215–228 (2014). [Crossref] Nelson, A. R.. A. R. Nelson, “Coupling optical waveguides by tapers,” Appl. Opt.?14(12), 3012–3015 (1975). [Crossref] [PubMed] Offrein, B.. P. I. Dietrich, M. Blaicher, I. Reuter, M. Billah, T. Hoose, A. Hofmann, C. Caer, R. Dangel, B. Offrein, U. Troppenz, M. Moehrle, W. Freude, and C. Koos, “In situ 3D nanoprinting of free-form coupling elements for hybrid photonic integration,” Nat. Photonics?12(4), 241–247 (2018). [Crossref] Onanuga, T. P.. N. Lindenmann, S. Dottermusch, M. L. Goedecke, T. Hoose, M. R. Billah, T. P. Onanuga, A. Hofmann, W. Freude, and C. Koos, “Connecting silicon photonic circuits to multicore fibers by photonic wire bonding,” J. Lit. Technol.?33(4), 755–760 (2015). [Crossref] Pacuski, W.. A. Bogucki, ?. Zinkiewicz, W. Pacuski, P. Wasylczyk, and P. Kossacki, “Optical fiber micro-connector with nanometer positioning precision for rapid prototyping of photonic devices,” Opt. Express?26(9), 11513–11518 (2018). [Crossref] [PubMed] Paipulas, D.. M. Malinauskas, A. ?ukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevi?iūt?, I. Sakellari, M. Farsari, and S. Juodkazis, “Femtosecond laser polymerization of hybrid/integrated micro-optical elements and their characterization,” J. Opt.?12(12), 124010 (2010). [Crossref] Pernice, W.. M. Schumann, T. Bückmann, N. Gruhler, M. Wegener, and W. Pernice, “Hybrid 2D–3D optical devices for integrated optics by direct laser writing,” Light Sci. Appl.?3(6), e175 (2014). [Crossref] Perrella, C.. S. C. Warren-Smith, R. M. André, C. Perrella, J. Dellith, and H. Bartelt, “Direct core structuring of microstructured optical fibers using focused ion beam milling,” Opt. Express?24(1), 378–387 (2016). [Crossref] [PubMed] Piskarskas, A.. M. Malinauskas, A. ?ukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevi?iūt?, I. Sakellari, M. Farsari, and S. Juodkazis, “Femtosecond laser polymerization of hybrid/integrated micro-optical elements and their characterization,” J. Opt.?12(12), 124010 (2010). [Crossref] Purlys, V.. M. Malinauskas, A. ?ukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevi?iūt?, I. Sakellari, M. Farsari, and S. Juodkazis, “Femtosecond laser polymerization of hybrid/integrated micro-optical elements and their characterization,” J. Opt.?12(12), 124010 (2010). [Crossref] Qin, Y.. Z.-P. Liu, Y. Li, Y.-F. Xiao, B.-B. Li, X.-F. Jiang, Y. Qin, X.-B. Feng, H. Yang, and Q. Gong, “Direct laser writing of whispering gallery microcavities by two-photon polymerization,” Appl. Phys. Lett.?97(21), 211105 (2010). [Crossref] Reuter, I.. P. I. Dietrich, M. Blaicher, I. Reuter, M. Billah, T. Hoose, A. Hofmann, C. Caer, R. Dangel, B. Offrein, U. Troppenz, M. Moehrle, W. Freude, and C. Koos, “In situ 3D nanoprinting of free-form coupling elements for hybrid photonic integration,” Nat. Photonics?12(4), 241–247 (2018). [Crossref] Sakellari, I.. M. Malinauskas, A. ?ukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevi?iūt?, I. Sakellari, M. Farsari, and S. Juodkazis, “Femtosecond laser polymerization of hybrid/integrated micro-optical elements and their characterization,” J. Opt.?12(12), 124010 (2010). [Crossref] Sanchez, B.. G. Maire, L. Vivien, G. Sattler, A. Ka?mierczak, B. Sanchez, K. B. Gylfason, A. Griol, D. Marris-Morini, E. Cassan, D. Giannone, H. Sohlstr?m, and D. Hill, “High efficiency silicon nitride surface grating couplers,” Opt. Express?16(1), 328–333 (2008). [Crossref] [PubMed] Sattler, G.. G. Maire, L. Vivien, G. Sattler, A. Ka?mierczak, B. Sanchez, K. B. Gylfason, A. Griol, D. Marris-Morini, E. Cassan, D. Giannone, H. Sohlstr?m, and D. Hill, “High efficiency silicon nitride surface grating couplers,” Opt. Express?16(1), 328–333 (2008). [Crossref] [PubMed] Schmid, M.. T. Gissibl, S. Wagner, J. Sykora, M. Schmid, and H. Giessen, “Refractive index measurements of photo-resists for three-dimensional direct laser writing,” Opt. Mater. Express?7(7), 2293–2298 (2017). [Crossref] T. Gissibl, M. Schmid, and H. Giessen, “Spatial beam intensity shaping using phase masks on single-mode optical fibers fabricated by femtosecond direct laser writing,” Optica?3(4), 448–451 (2016). [Crossref] Schmogrow, R.. N. Lindenmann, G. Balthasar, D. Hillerkuss, R. Schmogrow, M. Jordan, J. Leuthold, W. Freude, and C. Koos, “Photonic wire bonding: a novel concept for chip-scale interconnects,” Opt. Express?20(16), 17667–17677 (2012). [Crossref] [PubMed] Schumann, M.. M. Schumann, T. Bückmann, N. Gruhler, M. Wegener, and W. Pernice, “Hybrid 2D–3D optical devices for integrated optics by direct laser writing,” Light Sci. Appl.?3(6), e175 (2014). [Crossref] Sohlstr?m, H.. G. Maire, L. Vivien, G. Sattler, A. Ka?mierczak, B. Sanchez, K. B. Gylfason, A. Griol, D. Marris-Morini, E. Cassan, D. Giannone, H. Sohlstr?m, and D. Hill, “High efficiency silicon nitride surface grating couplers,” Opt. Express?16(1), 328–333 (2008). [Crossref] [PubMed] Srinivasan, S.. M. J. R. Heck, J. F. Bauters, M. L. Davenport, J. K. Doylend, S. Jain, G. Kurczveil, S. Srinivasan, Y. Tang, and J. E. Bowers, “Hybrid silicon photonic integrated circuit technology,” IEEE J. Sel. Top. Quantum Electron.?19(4), 6100117 (2013). [Crossref] Sugimoto, Y.. K. P. Nayak, F. Le Kien, Y. Kawai, K. Hakuta, K. Nakajima, H. T. Miyazaki, and Y. Sugimoto, “Cavity formation on an optical nanofiber using focused ion beam milling technique,” Opt. Express?19(15), 14040–14050 (2011). [Crossref] [PubMed] Sun, W.. H. Wang, Z. Xie, M. Zhang, H. Cui, J. He, S. Feng, X. Wang, W. Sun, J. Ye, P. Han, and Y. Zhang, “A miniaturized optical fiber microphone with concentric nanorings grating and microsprings structured diaphragm,” Opt. Laser Technol.?78, 110–115 (2016). [Crossref] Sykora, J.. T. Gissibl, S. Wagner, J. Sykora, M. Schmid, and H. Giessen, “Refractive index measurements of photo-resists for three-dimensional direct laser writing,” Opt. Mater. Express?7(7), 2293–2298 (2017). [Crossref] Taillaert, D.. D. Taillaert, F. Van Laere, M. Ayre, W. Bogaerts, D. Van Thourhout, P. Bienstman, and R. Baets, “Grating couplers for coupling between optical fibers and nanophotonic waveguides,” Jpn. J. Appl. Phys.?45(8A), 6071–6077 (2006). [Crossref] Tang, W.. Y. Fu, T. Ye, W. Tang, and T. Chu, “Efficient adiabatic silicon-on-insulator waveguide taper,” Photon. Res. PRJ?2, A41–A44 (2014). Tang, Y.. M. J. R. Heck, J. F. Bauters, M. L. Davenport, J. K. Doylend, S. Jain, G. Kurczveil, S. Srinivasan, Y. Tang, and J. E. Bowers, “Hybrid silicon photonic integrated circuit technology,” IEEE J. Sel. Top. Quantum Electron.?19(4), 6100117 (2013). [Crossref] Thiele, S.. T. Gissibl, S. Thiele, A. Herkommer, and H. Giessen, “Two-photon direct laser writing of ultracompact multi-lens objectives,” Nat. Photonics?10(8), 554–560 (2016). [Crossref] Troppenz, U.. P. I. Dietrich, M. Blaicher, I. Reuter, M. Billah, T. Hoose, A. Hofmann, C. Caer, R. Dangel, B. Offrein, U. Troppenz, M. Moehrle, W. Freude, and C. Koos, “In situ 3D nanoprinting of free-form coupling elements for hybrid photonic integration,” Nat. Photonics?12(4), 241–247 (2018). [Crossref] Van Laere, F.. D. Taillaert, F. Van Laere, M. Ayre, W. Bogaerts, D. Van Thourhout, P. Bienstman, and R. Baets, “Grating couplers for coupling between optical fibers and nanophotonic waveguides,” Jpn. J. Appl. Phys.?45(8A), 6071–6077 (2006). [Crossref] Van Thourhout, D.. D. Taillaert, F. Van Laere, M. Ayre, W. Bogaerts, D. Van Thourhout, P. Bienstman, and R. Baets, “Grating couplers for coupling between optical fibers and nanophotonic waveguides,” Jpn. J. Appl. Phys.?45(8A), 6071–6077 (2006). [Crossref] Vivien, L.. G. Maire, L. Vivien, G. Sattler, A. Ka?mierczak, B. Sanchez, K. B. Gylfason, A. Griol, D. Marris-Morini, E. Cassan, D. Giannone, H. Sohlstr?m, and D. Hill, “High efficiency silicon nitride surface grating couplers,” Opt. Express?16(1), 328–333 (2008). [Crossref] [PubMed] Wagner, S.. T. Gissibl, S. Wagner, J. Sykora, M. Schmid, and H. Giessen, “Refractive index measurements of photo-resists for three-dimensional direct laser writing,” Opt. Mater. Express?7(7), 2293–2298 (2017). [Crossref] Wang, H.. H. Wang, Z. Xie, M. Zhang, H. Cui, J. He, S. Feng, X. Wang, W. Sun, J. Ye, P. Han, and Y. Zhang, “A miniaturized optical fiber microphone with concentric nanorings grating and microsprings structured diaphragm,” Opt. Laser Technol.?78, 110–115 (2016). [Crossref] Wang, J.. X. Gao, J. Li, Z. Hao, F. Bo, C. Hu, J. Wang, Z. Liu, Z.-Y. Li, G. Zhang, and J. Xu, “Vertical microgoblet resonator with high sensitivity fabricated by direct laser writing on a Si substrate,” J. Appl. Phys.?121(6), 064502 (2017). [Crossref] Wang, X.. H. Wang, Z. Xie, M. Zhang, H. Cui, J. He, S. Feng, X. Wang, W. Sun, J. Ye, P. Han, and Y. Zhang, “A miniaturized optical fiber microphone with concentric nanorings grating and microsprings structured diaphragm,” Opt. Laser Technol.?78, 110–115 (2016). [Crossref] Warren-Smith, S. C.. S. C. Warren-Smith, R. M. André, C. Perrella, J. Dellith, and H. Bartelt, “Direct core structuring of microstructured optical fibers using focused ion beam milling,” Opt. Express?24(1), 378–387 (2016). [Crossref] [PubMed] Wasylczyk, P.. A. Bogucki, ?. Zinkiewicz, W. Pacuski, P. Wasylczyk, and P. Kossacki, “Optical fiber micro-connector with nanometer positioning precision for rapid prototyping of photonic devices,” Opt. Express?26(9), 11513–11518 (2018). [Crossref] [PubMed] M. Kowalczyk, J. Haberko, and P. Wasylczyk, “Microstructured gradient-index antireflective coating fabricated on a fiber tip with direct laser writing,” Opt. Express?22(10), 12545–12550 (2014). [Crossref] [PubMed] Wegener, M.. M. Schumann, T. Bückmann, N. Gruhler, M. Wegener, and W. Pernice, “Hybrid 2D–3D optical devices for integrated optics by direct laser writing,” Light Sci. Appl.?3(6), e175 (2014). [Crossref] Wei, H.. H. Wei, A. K. Amrithanath, and S. Krishnaswamy, “Three-dimensional printed polymer waveguides for whispering gallery mode sensors,” IEEE Photonics Technol. Lett.?30(5), 451–454 (2018). [Crossref] H. Wei and S. Krishnaswamy, “Direct Laser Writing Polymer Micro-Resonators for Refractive Index Sensors,” IEEE Photonics Technol. Lett.?28(24), 2819–2822 (2016). [Crossref] Xiao, Y.-F.. Z.-P. Liu, Y. Li, Y.-F. Xiao, B.-B. Li, X.-F. Jiang, Y. Qin, X.-B. Feng, H. Yang, and Q. Gong, “Direct laser writing of whispering gallery microcavities by two-photon polymerization,” Appl. Phys. Lett.?97(21), 211105 (2010). [Crossref] Xie, Z.. H. Wang, Z. Xie, M. Zhang, H. Cui, J. He, S. Feng, X. Wang, W. Sun, J. Ye, P. Han, and Y. Zhang, “A miniaturized optical fiber microphone with concentric nanorings grating and microsprings structured diaphragm,” Opt. Laser Technol.?78, 110–115 (2016). [Crossref] Xu, J.. X. Gao, J. Li, Z. Hao, F. Bo, C. Hu, J. Wang, Z. Liu, Z.-Y. Li, G. Zhang, and J. Xu, “Vertical microgoblet resonator with high sensitivity fabricated by direct laser writing on a Si substrate,” J. Appl. Phys.?121(6), 064502 (2017). [Crossref] Yang, H.. Z.-P. Liu, Y. Li, Y.-F. Xiao, B.-B. Li, X.-F. Jiang, Y. Qin, X.-B. Feng, H. Yang, and Q. Gong, “Direct laser writing of whispering gallery microcavities by two-photon polymerization,” Appl. Phys. Lett.?97(21), 211105 (2010). [Crossref] Ye, J.. H. Wang, Z. Xie, M. Zhang, H. Cui, J. He, S. Feng, X. Wang, W. Sun, J. Ye, P. Han, and Y. Zhang, “A miniaturized optical fiber microphone with concentric nanorings grating and microsprings structured diaphragm,” Opt. Laser Technol.?78, 110–115 (2016). [Crossref] Ye, T.. Y. Fu, T. Ye, W. Tang, and T. Chu, “Efficient adiabatic silicon-on-insulator waveguide taper,” Photon. Res. PRJ?2, A41–A44 (2014). Zhang, G.. X. Gao, J. Li, Z. Hao, F. Bo, C. Hu, J. Wang, Z. Liu, Z.-Y. Li, G. Zhang, and J. Xu, “Vertical microgoblet resonator with high sensitivity fabricated by direct laser writing on a Si substrate,” J. Appl. Phys.?121(6), 064502 (2017). [Crossref] Zhang, L.. Y. Lai, K. Zhou, L. Zhang, and I. Bennion, “Microchannels in conventional single-mode fibers,” Opt. Lett.?31(17), 2559–2561 (2006). [Crossref] [PubMed] Zhang, M.. H. Wang, Z. Xie, M. Zhang, H. Cui, J. He, S. Feng, X. Wang, W. Sun, J. Ye, P. Han, and Y. Zhang, “A miniaturized optical fiber microphone with concentric nanorings grating and microsprings structured diaphragm,” Opt. Laser Technol.?78, 110–115 (2016). [Crossref] Zhang, Y.. H. Wang, Z. Xie, M. Zhang, H. Cui, J. He, S. Feng, X. Wang, W. Sun, J. Ye, P. Han, and Y. Zhang, “A miniaturized optical fiber microphone with concentric nanorings grating and microsprings structured diaphragm,” Opt. Laser Technol.?78, 110–115 (2016). [Crossref] Zhou, K.. Y. Lai, K. Zhou, L. Zhang, and I. Bennion, “Microchannels in conventional single-mode fibers,” Opt. Lett.?31(17), 2559–2561 (2006). [Crossref] [PubMed] Zinkiewicz, L.. A. Bogucki, ?. Zinkiewicz, W. Pacuski, P. Wasylczyk, and P. Kossacki, “Optical fiber micro-connector with nanometer positioning precision for rapid prototyping of photonic devices,” Opt. Express?26(9), 11513–11518 (2018). [Crossref] [PubMed] ?ukauskas, A.. A. ?ukauskas, V. Melissinaki, D. Kaskelyte, M. Farsari, and M. Malinauskas, “Improvement of the fabrication accuracy of fiber tip microoptical components via mode field expansion,” J. Laser Micro Nanoeng.?9(1), 68–72 (2014). [Crossref] M. Malinauskas, A. ?ukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevi?iūt?, I. Sakellari, M. Farsari, and S. Juodkazis, “Femtosecond laser polymerization of hybrid/integrated micro-optical elements and their characterization,” J. Opt.?12(12), 124010 (2010). [Crossref] Appl. Opt. (1). A. R. Nelson, “Coupling optical waveguides by tapers,” Appl. Opt.?14(12), 3012–3015 (1975). [Crossref] [PubMed] Appl. Phys. Lett. (1). Z.-P. Liu, Y. Li, Y.-F. Xiao, B.-B. Li, X.-F. Jiang, Y. Qin, X.-B. Feng, H. Yang, and Q. Gong, “Direct laser writing of whispering gallery microcavities by two-photon polymerization,” Appl. Phys. Lett.?97(21), 211105 (2010). [Crossref] IEEE J. Sel. Top. Quantum Electron. (1). M. J. R. Heck, J. F. Bauters, M. L. Davenport, J. K. Doylend, S. Jain, G. Kurczveil, S. Srinivasan, Y. Tang, and J. E. Bowers, “Hybrid silicon photonic integrated circuit technology,” IEEE J. Sel. Top. Quantum Electron.?19(4), 6100117 (2013). [Crossref] IEEE Photonics Technol. Lett. (2). H. Wei, A. K. Amrithanath, and S. Krishnaswamy, “Three-dimensional printed polymer waveguides for whispering gallery mode sensors,” IEEE Photonics Technol. Lett.?30(5), 451–454 (2018). [Crossref] H. Wei and S. Krishnaswamy, “Direct Laser Writing Polymer Micro-Resonators for Refractive Index Sensors,” IEEE Photonics Technol. Lett.?28(24), 2819–2822 (2016). [Crossref] J. Appl. Phys. (1). X. Gao, J. Li, Z. Hao, F. Bo, C. Hu, J. Wang, Z. Liu, Z.-Y. Li, G. Zhang, and J. Xu, “Vertical microgoblet resonator with high sensitivity fabricated by direct laser writing on a Si substrate,” J. Appl. Phys.?121(6), 064502 (2017). [Crossref] J. Laser Micro Nanoeng. (1). A. ?ukauskas, V. Melissinaki, D. Kaskelyte, M. Farsari, and M. Malinauskas, “Improvement of the fabrication accuracy of fiber tip microoptical components via mode field expansion,” J. Laser Micro Nanoeng.?9(1), 68–72 (2014). [Crossref] J. Lit. Technol. (1). N. Lindenmann, S. Dottermusch, M. L. Goedecke, T. Hoose, M. R. Billah, T. P. Onanuga, A. Hofmann, W. Freude, and C. Koos, “Connecting silicon photonic circuits to multicore fibers by photonic wire bonding,” J. Lit. Technol.?33(4), 755–760 (2015). [Crossref] J. Opt. (1). M. Malinauskas, A. ?ukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevi?iūt?, I. Sakellari, M. Farsari, and S. Juodkazis, “Femtosecond laser polymerization of hybrid/integrated micro-optical elements and their characterization,” J. Opt.?12(12), 124010 (2010). [Crossref] Jpn. J. Appl. Phys. (1). D. Taillaert, F. Van Laere, M. Ayre, W. Bogaerts, D. Van Thourhout, P. Bienstman, and R. Baets, “Grating couplers for coupling between optical fibers and nanophotonic waveguides,” Jpn. J. Appl. Phys.?45(8A), 6071–6077 (2006). [Crossref] Light Sci. Appl. (1). M. Schumann, T. Bückmann, N. Gruhler, M. Wegener, and W. Pernice, “Hybrid 2D–3D optical devices for integrated optics by direct laser writing,” Light Sci. Appl.?3(6), e175 (2014). [Crossref] Nanophotonics (1). P. Dong, Y.-K. Chen, G.-H. Duan, and D. T. Neilson, “Silicon photonic devices and integrated circuits,” Nanophotonics?3(4-5), 215–228 (2014). [Crossref] Nat. Photonics (2). P. I. Dietrich, M. Blaicher, I. Reuter, M. Billah, T. Hoose, A. Hofmann, C. Caer, R. Dangel, B. Offrein, U. Troppenz, M. Moehrle, W. Freude, and C. Koos, “In situ 3D nanoprinting of free-form coupling elements for hybrid photonic integration,” Nat. Photonics?12(4), 241–247 (2018). [Crossref] T. Gissibl, S. Thiele, A. Herkommer, and H. Giessen, “Two-photon direct laser writing of ultracompact multi-lens objectives,” Nat. Photonics?10(8), 554–560 (2016). [Crossref] Opt. Express (6). M. Kowalczyk, J. Haberko, and P. Wasylczyk, “Microstructured gradient-index antireflective coating fabricated on a fiber tip with direct laser writing,” Opt. Express?22(10), 12545–12550 (2014). [Crossref] [PubMed] A. Bogucki, ?. Zinkiewicz, W. Pacuski, P. Wasylczyk, and P. Kossacki, “Optical fiber micro-connector with nanometer positioning precision for rapid prototyping of photonic devices,” Opt. Express?26(9), 11513–11518 (2018). [Crossref] [PubMed] G. Maire, L. Vivien, G. Sattler, A. Ka?mierczak, B. Sanchez, K. B. Gylfason, A. Griol, D. Marris-Morini, E. Cassan, D. Giannone, H. Sohlstr?m, and D. Hill, “High efficiency silicon nitride surface grating couplers,” Opt. Express?16(1), 328–333 (2008). [Crossref] [PubMed] N. Lindenmann, G. Balthasar, D. Hillerkuss, R. Schmogrow, M. Jordan, J. Leuthold, W. Freude, and C. Koos, “Photonic wire bonding: a novel concept for chip-scale interconnects,” Opt. Express?20(16), 17667–17677 (2012). [Crossref] [PubMed] K. P. Nayak, F. Le Kien, Y. Kawai, K. Hakuta, K. Nakajima, H. T. Miyazaki, and Y. Sugimoto, “Cavity formation on an optical nanofiber using focused ion beam milling technique,” Opt. Express?19(15), 14040–14050 (2011). [Crossref] [PubMed] S. C. Warren-Smith, R. M. André, C. Perrella, J. Dellith, and H. Bartelt, “Direct core structuring of microstructured optical fibers using focused ion beam milling,” Opt. Express?24(1), 378–387 (2016). [Crossref] [PubMed] Opt. Laser Technol. (1). H. Wang, Z. Xie, M. Zhang, H. Cui, J. He, S. Feng, X. Wang, W. Sun, J. Ye, P. Han, and Y. Zhang, “A miniaturized optical fiber microphone with concentric nanorings grating and microsprings structured diaphragm,” Opt. Laser Technol.?78, 110–115 (2016). [Crossref] Opt. Lett. (1). Y. Lai, K. Zhou, L. Zhang, and I. Bennion, “Microchannels in conventional single-mode fibers,” Opt. Lett.?31(17), 2559–2561 (2006). [Crossref] [PubMed] Opt. Mater. Express (1). T. Gissibl, S. Wagner, J. Sykora, M. Schmid, and H. Giessen, “Refractive index measurements of photo-resists for three-dimensional direct laser writing,” Opt. Mater. Express?7(7), 2293–2298 (2017). [Crossref] Optica (1). T. Gissibl, M. Schmid, and H. Giessen, “Spatial beam intensity shaping using phase masks on single-mode optical fibers fabricated by femtosecond direct laser writing,” Optica?3(4), 448–451 (2016). [Crossref] Photon. Res. PRJ (1). Y. Fu, T. Ye, W. Tang, and T. Chu, “Efficient adiabatic silicon-on-insulator waveguide taper,” Photon. Res. PRJ?2, A41–A44 (2014). Other (1). S. K. Selvaraja, D. Vermeulen, M. Schaekers, E. Sleeckx, W. Bogaerts, G. Roelkens, P. Dumon, D. Van Thourhout, and R. Baets, “Highly efficient grating coupler between optical fiber and silicon photonic circuit,” in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (Optical Society of America, 2009), paper CTuC6. .
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