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Y分支光学调制器半波电压与波长和温度相关性研究

Correlation of Wavelength and Temperature with the Half-Wave Voltage for Y Branch Optical Modulator

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摘要

建立了Y分支光学调制器半波电压与工作波长和温度的数学模型,其半波电压随工作波长增加而增加、随温度增加而减小。设计实现了一种基于4阶波调制Sagnac干涉仪的半波电压自动测试系统,实现了半波电压的在线连续测量,相对测量精度达到8.5×10-6。用可调激光器光源,改变工作波长和环境温度,分别进行了1310 nm和1550 nm波段Y分支光学调制器半波电压的实际测量,通过实验测试确定了半波电压与波长和温度的相关性。结果表明,半波电压在这两个测试波段内与波长和温度均呈线性关系,波长相关系数为正,分别约为3.61×10-3 V/nm和9.54×10-3 V/nm;温度相关系数为负,分别约为-1.76×10-3 V/℃和-2.00×10-3 V/℃。实验结果验证了理论模型的正确性。

Abstract

Models of the Y branch optical modulator′s half-wave voltage with wavelength and temperature are established. The half-wave voltage increases with wavelength increasing and temperature decreasing. A half-wave voltage automatic test system based on Sagnac interferometer modulated with four steps waveform is designed and it can measure half-wave voltage continuously on line. Relative measuring accuracy reaches 8.5×10-6. By changing working wavelength and temperature, the actual measurement of Y branch′s half-wave voltages in 1310 nm and 1550 nm band is realized by using a tunable laser as the light source. The results show that the half-wave voltage is linear with the temperature and the wavelength in the two test bands. The wavelength correlation coefficients are 3.61×10-3 V/nm and 9.54×10-3 V/nm, respectively, and the temperature correlation coefficients are -1.76×10-3 V/℃ and -2.00×10-3 V/℃, respectively. The experimental results verify the correctness of theoretical model.

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中图分类号:TN256

DOI:10.3788/cjl201643.0606002

所属栏目:光通信

基金项目:国家重大科学仪器设备开发专项(2013YQ040815)、航空科学基金(20140851012)、创新团队发展计划(IRT 1203)

收稿日期:2015-12-28

修改稿日期:2016-01-26

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作者单位    点击查看

杨福铃:北京航空航天大学惯性技术国防科技重点实验室, 北京 100191
杨远洪:北京航空航天大学惯性技术国防科技重点实验室, 北京 100191
韩宗虎:中国航空工业集团公司西安飞行自动控制研究所, 陕西 西安 710065
曹耀辉:中国航空工业集团公司西安飞行自动控制研究所, 陕西 西安 710065

联系人作者:杨福铃(lingling4635@126.com)

备注:杨福铃(1988-),男,博士研究生,主要从事光纤传感技术方面的研究。

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引用该论文

Yang Fuling,Yang Yuanhong,Han Zonghu,Cao Yaohui. Correlation of Wavelength and Temperature with the Half-Wave Voltage for Y Branch Optical Modulator[J]. Chinese Journal of Lasers, 2016, 43(6): 0606002

杨福铃,杨远洪,韩宗虎,曹耀辉. Y分支光学调制器半波电压与波长和温度相关性研究[J]. 中国激光, 2016, 43(6): 0606002

被引情况

【1】蒋治国,胡宗福. 谐振型光纤陀螺的灵敏度分析. 中国激光, 2017, 44(7): 706001--1

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