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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, Ł. 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. Žukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevičiūtė, 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. Žukauskas, 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. Kaźmierczak, B. Sanchez, K. B. Gylfason, A. Griol, D. Marris-Morini, E. Cassan, D. Giannone, H. Sohlström, 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, Ł. 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. Žukauskas, 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. Žukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevičiūtė, 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. Kaźmierczak, B. Sanchez, K. B. Gylfason, A. Griol, D. Marris-Morini, E. Cassan, D. Giannone, H. Sohlström, 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. Žukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevičiūtė, 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, Ł. 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. Kaźmierczak, B. Sanchez, K. B. Gylfason, A. Griol, D. Marris-Morini, E. Cassan, D. Giannone, H. Sohlström, 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. Žukauskas, 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. Žukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevičiūtė, 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. Žukauskas, V. Purlys, K. Belazaras, A. Momot, D. Paipulas, R. Gadonas, A. Piskarskas, H. Gilbergs, A. Gaidukevičiūtė, I. Sakellari, M. Farsari, and S. 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