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arXiv 2210.07576quant-ph
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High-rate continuous-variable measurement-device-independent quantum key distribution

Adnan A. E. Hajomer, Huy Q. Nguyen, Tobias Gehring

英文摘要:

We report the first experiment of continuous-variable measurement-device-independent quantum key distribution that enables secret key generation at a symbol rate of 5 MBaud without frequency and optical phase locking. This is achieved by using a new relay structure based on a polarization-based 90-degree optical hybrid and a well-designed DSP pipeline.

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