Experimental Demonstration of Underwater Decoy-state Quantum Key Distribution with All-optical Transmission
Yonghe Yu,
Wendong Li,
Yu Wei
et al.
Abstract:We demonstrate the underwater quantum key distribution (UWQKD) over a 10.4meter Jerlov type III seawater channel by building a complete UWQKD system with all-optical transmission of quantum signals, synchronization signal and classical communication signal. The wavelength division multiplexing and the space-time-wavelength filtering technology are applied to ensure that the optical signals do not interfere with each other. The system is controlled by FPGA, and can be easily integrated into watertight cabins to… Show more
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