CAJ | 학술논문

偏振编码是利用光信号的偏振态承载信息进行编码，旨在解决高速光纤通信中非线性效应和偏振模色散等问题。本文提出了基于弹光调制器的偏振态测量方法，该方法不仅保留了原有弹光调制器偏振测量的优点，并且克服了现有方法无法用阵列探测器有效采集信息及调制频率高等缺点，同时给出了 Matlab模拟仿真及实验验证方案。理论分析、模拟仿真及实验验证了该方法的可行性。测量结果的误差分析表明，该方法能满足测量要求，这为偏振编码在高速光纤通信中的应用创造了条件。
편진편마시이용광신호적편진태승재신식진행편마，지재해결고속광섬통신중비선성효응화편진모색산등문제。본문제출료기우탄광조제기적편진태측량방법，해방법불부보류료원유탄광조제기편진측량적우점，병차극복료현유방법무법용진렬탐측기유효채집신식급조제빈솔고등결점，동시급출료 Matlab모의방진급실험험증방안。이론분석、모의방진급실험험증료해방법적가행성。측량결과적오차분석표명，해방법능만족측량요구，저위편진편마재고속광섬통신중적응용창조료조건。
Polarization coding is a specific encoding method by using the polarization state of optical signal carrying coded in -formation .It focuses on nonlinear effects ,polarization mode dispersion and other issues in high-speed fiber-optic communi-cations .This paper presents a measurement method for polarization state based on elastic -optic modulator .This method not only retains the original advantages of elastic-optic modulator for polarization measurement ,but also overcomes the defects of existing methods including high modulation frequency and invalid collection by using array detector .Matlab simulation and experimental verification scheme are given .The feasibility of this method is verified through theoretical analysis ,and simulation and experimental results are carried out .The error analysis of the measurement results shows that the method can meet the measurement requirements and provide conditions for using the polarization encoding in high -speed communication .