Generating the Local Oscillator “Locally” in Continuous-Variable Quantum Key Distribution Based on Coherent Detection

@article{Qi2015GeneratingTL,
  title={Generating the Local Oscillator “Locally” in Continuous-Variable Quantum Key Distribution Based on Coherent Detection},
  author={Bing Qi and Pavel Lougovski and Raphael C. Pooser and Warren P. Grice and Miljko Bobrek},
  journal={Physical Review X},
  year={2015},
  volume={5},
  pages={041009}
}
  • Bing Qi, Pavel Lougovski, +2 authors Miljko Bobrek
  • Published 2015
  • Physics
  • Physical Review X
  • Continuous-variable quantum key distribution (CV-QKD) protocols based on coherent detection have been studied extensively in both theory and experiment. In all the existing implementations of CV-QKD, both the quantum signal and the local oscillator (LO) are generated from the same laser and propagate through the insecure quantum channel. This arrangement may open security loopholes and also limit the potential applications of CV-QKD. In this paper, we propose and demonstrate a pilot-aided… CONTINUE READING

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