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Conferences > ECEOC > 2022 > Tu1C > Tu1C.5
  • European Conference on Optical Communication (ECOC) 2022
  • Technical Digest Series (Optica Publishing Group, 2022),
  • paper Tu1C.5

DAC/ADC-free 65536-level Quantum Noise Stream Cipher for Secure Fiber Transmission based on Delta-Sigma Modulation

Hanwen Luo, Linsheng Zhong, Shenmao Zhang, Xiaoxiao Dai, Lei Deng, Deming Liu, Mengfan Cheng, and Qi Yang

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Abstract

We demonstrate a DAC/ADC-free 65536-level quantum noise stream cipher communication with asynchronous clock over 70-km SMF using delta-sigma modulation. Adjusting the oversampling rates of delta-sigma modulation can achieve flexible adjustment of security, stability, and cost.

© 2022 The Author(s)

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