SHAONET, the first WDM all optical network testbed in China, is a metropolitan self-healing ring. A novel OADM having protection function is adopted.
SHAONET是国内自主开发的第一个WDM全光试验网平台，它采用了一种新型保护结构的OADM，具有很强的自愈功能。
All optical network (AON) and wavelength division Multiplexing (WDM) are the foreland of network research all over the field, their integration all optical WDM network is the hotspot.
全光通信网和波分复用技术是目前国内外网络技术研究的前沿，尤其是将两者结合起来的全光波分复用网络更是研究的热点。
As a key device for the realization of WDM-based all-optical network, OXC (optical cross connection) device is plagued with severe crosstalk problem caused by the interaction of its signal and link.
光交叉连接器件(OXC)是实现WDM全光网络的关键器件，但由于其自身的链路和信号相互作用，会产生严重的串扰问题，从而限制了OXC性能的充分发挥。
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