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High-Speed Measurement-Device-Independent Quantum Key Distribution with Integrated Silicon Photonics
Physical Review X
Measurement-device-independent quantum key distribution (MDI QKD) removes all detector side channels and enables secure QKD with an untrusted relay. It is suitable for building a star-type quantum access network, where the complicated and expensive measurement devices are placed in the central untrusted relay and each user requires only a low-cost transmitter, such as an integrated photonic chip. Here, we experimentally demonstrate a 1.25-GHz silicon photonic chip-based MDI QKD system usingdoi:10.1103/physrevx.10.031030 fatcat:bi3hkk6ihbfwtgonlw23mqxf5m