![]() To reduce the system complexity and correct for any phase shift during transmission, reference pulses are interleaved with quantum signals at Alice. We have successfully trialed the signal repetition rate as high as 500 MHz. To increase the signal repetition rate, and hence the potential secure key rate, we equip our system with high-performance, wideband devices and design the components to support high repetition rate operation. ![]() ![]() ![]() We present an experimental demonstration of the feasibility of the first 20 + Mb/s Gaussian modulated coherent state continuous variable quantum key distribution system with a locally generated local oscillator at the receiver (LLO-CVQKD).
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