Improvement of self-referenced continuous-variable quantum key distribution with quantum photon catalysis.

Optics Express
|June 30, 2019
PubMed
Summary

Zero-photon catalysis enhances self-referenced continuous-variable quantum key distribution (SR-CVQKD). This noiseless attenuation method improves performance over original SR-CVQKD and single-photon subtraction schemes, offering practical benefits for metropolitan networks.

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