Optical switch is chiefly used in OXC (optical Cross Connection) system in optical network. It can fulfill many functions such as routing, selecting optical wavelength and OXC etc.
它主要用于光网络的光交叉(OXC)节点系统中，用来实现全光层次的路由选择、波长选择、光交叉连接等功能。
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。
We introduce a general model for the calculation of the optical signal to noise ratio (SNR) of the optical cross connection (OXC) in optical networks in this paper.
文章给出了计算OXC级联信噪比的一般解析模型，并针对“信号功率均衡”和“总功率均衡”两种方案进行了研究，分析了在这两种特定情况下系统的信噪比特性。
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