. . . . . Quantum . Research update . Microwave photons are entangled with optical photons . 28 May 2023 Making progress: this latest achievement in entanglement could lead to better quantum computers. (Courtesy: iStock/Devrimb) A protocol for entangling microwave and optical photons has been demonstrated by researchers in Austria. This has the potential to help to overcome one of the central issues in the formation of a qu...