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  • European Conference on Optical Communication (ECOC) 2022
  • Technical Digest Series (Optica Publishing Group, 2022),
  • paper Th1G.5

Continuous-Variable Quantum Key Distribution Over 60 km Optical Fiber With Real Local Oscillator

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We report the first continuous-variable quantum key distribution experiment that enables the generation of secure key over a 60 km fiber channel with locally generated local oscillator. This is achieved by controlling the excess noise using machine learning for phase noise compensation while operating the system at a low modulation variance.

© 2022 The Author(s)

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