光学学报, 2010, 30 (s1): s100202, 网络出版: 2010-12-08
基于I/Q调制器的频率锁定多载波光源的产生
Generation of Frequency-Locked Multi-Carrier Source Based on I/Q Modulator
摘要
频率锁定多载波光源是实现Tb/s高数据率传输的关键器件。它具有结构简单,频谱利用率高的优点,因此成为高速大容量光纤通信系统中的研究热点。理论分析了I/Q调制器的结构和多载波光源产生的工作原理,搭建了基于I/Q调制器的频率锁定多载波光源产生的实验系统,实验实现了频率间隔为12.5 GHz的15个载波输出。同时仿真分析了影响多载波光源性能的几个参数。结果表明,射频信号的驱动电压,系统中偏振态的变化是影响频率锁定多载波光源产生的主要因素。
Abstract
The frequency-locked multi-carrier source is a key element for achieving Tb/s data rate transmission. It has high frequency efficiency and its implement is simple. Therefore, it has become the topic in high-speed mass optical fiber communication system. The structure of the I/Q modulator and the operation principle for generating multi-carrier are analyzed in theory, the experimental system of frequency-locked multi-carrier source based on I/Q modulator is set up. The 15-carrier space at 12.5 GHz generation is successfully conducted. Simultaneously, the parameters affecting the performance of the muti-carrier source is analyzed by simulation. The results show that the radio frequency drive voltage, the variation of states of polarization are main factors to affect the generation of the frequency-locked multi-carrier source.
田凤, 李建平, 张晓光, 席丽霞, 徐霞. 基于I/Q调制器的频率锁定多载波光源的产生[J]. 光学学报, 2010, 30(s1): s100202. Tian Feng, Li Jianping, Zhang Xiaoguang, Xi Lixia, Xu Xia. Generation of Frequency-Locked Multi-Carrier Source Based on I/Q Modulator[J]. Acta Optica Sinica, 2010, 30(s1): s100202.