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DFB激光二极管电流-温度调谐特性的解析模型
引用本文:刘景旺,杜振辉,李金义,齐汝宾,徐可欣. DFB激光二极管电流-温度调谐特性的解析模型[J]. 物理学报, 2011, 60(7): 74213-074213
作者姓名:刘景旺  杜振辉  李金义  齐汝宾  徐可欣
作者单位:(1)天津大学精密测试技术及仪器国家重点实验室,天津 300072; (2)天津大学精密测试技术及仪器国家重点实验室,天津 300072;北华航天工业学院,廊坊 065000
基金项目:国家自然科学基金重点项目(批准号:60938002), 国家高技术研究发展计划(批准号:2006AA06Z410,2009AA04Z160),天津市自然科学基金(批准号:06YFJMJC06700),河北省廊坊市科技支撑计划项目(批准号:2010011029/30/31)和北华航天工业学院科研基金(批准号:KY-2010-16)资助的课题.
摘    要:从DFB型激光二极管调谐机理出发,提出了电流-温度调谐特性的解析模型,通过实验测量结果辨识出模型参数,将模型应用于四个不同厂家的DFB型二极管激光器,得到激光器电流-温度调谐的解析模型;将模型预测值与实验测量值比较,相关系数均在0.9999以上.同时,利用CO2气体的多个吸收谱线测量激光的波长,验证了解析模型的预测波长值,与HITRAN谱库中CO2气体吸收波长的误差在3 pm内.解析模型能够精确预测激光器在快速调谐过程中的瞬态输出波长,其精度能够满足光谱分析、光关键词:DFB激光二极管调谐机理解析模型电流调谐和温度调谐

关 键 词:DFB激光二极管  调谐机理  解析模型  电流调谐和温度调谐
收稿时间:2011-01-10

Analytical model for the tuning characteristics of static, dynamic, and transient behaviors in temperature and injection current of DFB laser diodes
Liu Jing-Wang,Du Zhen-Hui,Li Jin-Yi,Qi Ru-Bin and Xu Ke-Xin. Analytical model for the tuning characteristics of static, dynamic, and transient behaviors in temperature and injection current of DFB laser diodes[J]. Acta Physica Sinica, 2011, 60(7): 74213-074213
Authors:Liu Jing-Wang  Du Zhen-Hui  Li Jin-Yi  Qi Ru-Bin  Xu Ke-Xin
Affiliation:State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China;North China Institute of Aerospace Engineering, Langfang 065000, China;State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China;State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China;State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China;State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China
Abstract:From the tuning mechanism of the DFB laser diode, we establish an analytical model for current and temperature tuning characteristics. The parameters of the model are identified by experimental results. The model is used to analyze the four DFB diode lasers, and the transient characteristics of the lasers are obtained. We also obtain the static characteristics of these lasers from Agilent 86142B Spectrometer. The comparison between the two values indicates that the correlation coefficients are both more than 0.9999. At the same time, according to the absorption spectrum of CO2 gas, we also measure the emission wavelength of lasers. Comparing it with the HITRAN spectrum of CO2 absorption lines, the two errors are shown to be within 3pm. The analytical model can accurately predict the transient output wavelength of lasers in tuning, the accuracy can meet the spectrum, optical coherence measurements and other practical requirements.
Keywords:DFB laser diode  tuning mechanism  analytical model  current tuning and temperature tuning
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