Data coordination method of continuous variable quantum key distribution system
A quantum key distribution and quantum key technology, which is applied in the field of data coordination of continuous variable quantum key distribution systems, and can solve problems such as slow processing speed, high complexity, and error correction failures.
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[0050] Such as figure 1 Shown is the schematic flow chart of the method of the present invention; The data coordination method of this continuous variable quantum key distribution system provided by the present invention comprises the following steps:
[0051] S1. Build a Gaussian modulation coherent state continuous variable quantum key distribution system; specifically, it includes a quantum key sending end, a quantum key receiving end and a quantum key post-processing end; the quantum key sending end uses a pulsed laser to generate a relevant light source, and the repetition rate for f req ; Then Gaussian modulation is performed on the generated coherent optical signal, and each coherent state has x A and p A two components, x A is the regular amplitude, p A is a regular phase, and the modulation variance is V A ; The modulated coherent state is transmitted to the quantum key receiving end through the noisy quantum channel, and the transmission rate of the noisy quantu...
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