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Conferences > OFC > 2019 > Th1J > Th1J.2

Precise Noise Calibration for CV-QKD

Hans H. Brunner, Stefano Bettelli, Lucian C. Comandar, David Hillerkuss, Chi-Hang Fred Fung, Dawei Wang, Spiros Mikroulis, Andreas Poppe, and Momtchil Peev

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Abstract

A receiver setup capable of measuring optical power with an extremely high sensitivity of approximately −200 dBm/Hz at 1550 nm (40 dB below shot noise) is analyzed and demonstrated in a continuous-variable quantum-key-distribution prototype device.

© 2019 The Author(s)

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