Performance Improvement of Underwater Continuous-Variable Quantum Key Distribution via Photon Subtraction

Performance Improvement of Underwater Continuous-Variable Quantum Key Distribution via Photon Subtraction

Considering the ocean water’s optical attenuation is significantly larger than that of Fiber Channel, we propose an approach to enhance the security of underwater continuous-variable quantum key distribution (CVQKD). In particular, the photon subtraction operation is performed at the emitt...

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Bibliographic Details
Main Authors: Qingquan Peng, Guojun Chen, Xuan Li, Qin Liao, Ying Guo
Format: Article
Language:English
Published: MDPI AG 2019-10-01
Series:Entropy
Subjects:
continuous variable quantum key distribution
photon subtraction operation
underwater channel
Online Access:https://www.mdpi.com/1099-4300/21/10/1011

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