Photonic Phase-Stabled Transmission of Broadband Signals Based on Passive Compensation
Photonic Phase-Stabled Transmission of Broadband Signals Based on Passive Compensation
复制标题
基于无源补偿的宽带信号光子稳相传输
DOI：
10.1109/lpt.2023.3240436
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发表时间：
2023-03
影响因子：
2.6
通讯作者：
Xiaofend Jin
中科院分区：
文献类型：
--
作者：
Yaoqi Xu;Ling Yang;Jichen Qiu;Xiaofend Jin
提出了一种基于被动混频补偿的宽带信号光子稳相传输方法。目标宽带信号传输的抖动补偿机制依赖于通过在近似相同的外部时间抖动下混合两个信号的自适应抵消。建立了理论模型，并对频率相关抖动抑制进行了分析和验证。与以往的方法相比，所提出的光子相位稳定传输的宽带信号可以承受更快的抖动频率高达1 kHz。实验结果表明，该方法能显著减小400 MHz带宽宽带信号的相位漂移。在中心频率为7.2 GHz处测得的重叠Allan偏差表明，在100 s平均时间处的稳定性为3.53 × 10 ^{-14}$。
A photonic phase-stabled transmission of broadband signal based on passive frequency mixing compensation is proposed. The mechanism of jitter compensation of aimed broadband signal transmission relies on an adaptive cancellation by mixing two signals under approximately the same external time jittering. A theoretical model is built and the frequency dependent jitter suppression is analyzed and verified. Compared with previous methods, the proposed photonic phase-stabled transmission of broadband signal can withstand faster jittering frequency up to 1 kHz. The experimental results show that the proposed method can significantly reduce the phase drift of the broadband signal of 400 MHz bandwidth. The measured overlapping Allan deviation at the center frequency of 7.2 GHz shows a stability of $3.53\times 10 ^{-14}$ at 100 s average time.
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