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Updated: May 30, 2025

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
09:23

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

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在连续变量量子密钥分布中增强相位估计的噪声抑制,使用离散调制

Tao Shen, Dengke Qi, Xiangyu Wang

    Optics express
    |January 29, 2025
    PubMed
    概括

    在量子密钥分布中精确的相位估计对于安全通信至关重要. 新的数字过方法,无气味卡尔曼过 (UKF) 和萨维茨基-戈莱过 (SGF),显著提高了相位估计的准确性,即使是低信号噪声比 (SNR) 试点信号.

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