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High-Rate Composable Continuous-Variable Quantum Key Distribution Using Discrete Modulation | AMiner

High-Rate Composable Continuous-Variable Quantum Key Distribution Using Discrete Modulation

Mingze Wu,Yan Pan,Junhui Li,Heng Wang,Lu Fan,Yun Shao,Yang Li,Wei Huang,Song Yu,Bingjie Xu,Yichen Zhang

2025 EUROPEAN CONFERENCE ON OPTICAL COMMUNICATIONS, ECOC（2025）

Beijing Univ Posts & Telecommun

被引用0|浏览8

摘要

We report a 16QAM-modulated continuous-variable quantum key distribution system with a record-breaking composable secret key rate of 8.93 Mb/s over 25 km fiber channel, surpassing previous systems by an order of magnitude in performance while remaining low-complexity and cost-effective. (c) 2025 The Author(s)

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关键词

Quantum Key Distribution,Continuous-variable Quantum Key Distribution,Secret Key,Key Rate,System Performance,Linewidth,Beam Splitter,Digital Signal Processing,General Situation,Shot Noise,Security Protocols,Acceptable Test,Local Oscillator,Digital Oscilloscope,Coherent State,Semidefinite Programming,Gaussian Assumption,Arbitrary Waveform Generator,Polarization Beam Splitter,Security Parameter,Quadrature Phase Shift Keying,Security Proof,Standard Single-mode Fiber

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