电吸收调制器特性研究  

Research of characteristic of electroabsorption modulator

作　　者：税奇军[1] 唐炳华[1] 董赛鹰[1] 

机构地区：[1]四川文理学院物理与机电工程学院,四川达州635000

出　　处：《现代电子技术》2015年第5期71-72,76,共3页Modern Electronics Technique

基　　金：四川文理学院面上项目资助(2013Z002Z);四川文理学院一般教改项目资助(2013JY47)

摘　　要：针对电吸收调制器在光纤无线通信系统中的重要作用，分析了电吸收调制器的插入损耗和由电吸收调制器组成的光纤无线通信系统的误码率和噪声系数。发现在波长从1530～1570nm范围内插入损耗都比较小；在工作波长为1550nm的通信系统内实现了速率为2．5Gb／s信号在200km长度的标准光纤内传榆。系统功率衰减很小，在选择合适的匹配阻抗下，通信系统噪声系数能够达到12dB左右。In allusion to the important role of electroabsorption modulator in optical wireless communication system, the insertion loss of electroabsorption modulator, and the bit error rate and noise factor of optical wireless communication system composed of electroabsorption modulator are analyzed. It is found that the insertion loss is relatively small in the wavelength range from 1 530 nm to 1 570 nm. In the operating wavelength of 1 550 nm communication system, transmission of the signal at a rate of 2.5 Gb/s in optical fiber of 200 km was realized. Especially, power loss of the system is very small. The noise factor of the communication system is only about 12 dB under the condition of the suitable impedance matching.

关 键 词：电吸收调制器 光纤无线通信系统 插入损耗 误码率 噪声系数 

分 类 号：TN761.34[电子电信—电路与系统] G642.0[文化科学—高等教育学]