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随着互联网、宽带综合业务数字网的高速发展，要求光纤通信系统能够提供超高速、大容量的信息传输．波分复用技术可以提高系统传输速率，同时新增投资小，因此成为目前光通信研究及应用的热点．在ＷＤＭ系统中，多波长集成的ＤＦＢ激光器列阵是波分复用技术的核心器件．因为它?
With the rapid development of the Internet and broadband integrated services digital networks, optical communication systems are required to provide ultra-high-speed and large-capacity information transmission. Wavelength Division Multiplexing technology can improve system transmission rate, while adding little investment, it has become the current optical communications research and application of hot spots. In WDM systems, multi-wavelength integrated DFB laser arrays are the core of WDM technology. Because of it?