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设计了一种单块晶体集成的n×n纵横开关(Crossbar)网络。通过综合考虑晶体的双折射和全内双反射现象,以及晶体的电光效应,将构成n×n纵横开关网络的所有单元器件都集成到一块具有电光效应的双折射晶体上。同时,给出了该网络的控制算法,通过对开关工作状态的控制,可以实现任意输入输出通道之间的无阻塞连接。这种单块晶体集成的纵横开关网络具有能量损耗低、无阻塞、易安装、抗干扰等优点,适合于全光网络发展的需要。
An n × n crossbar network with integrated monolithic crystal was designed. By considering the birefringence and the total internal birefringence of the crystal and the electro-optic effect of the crystal, all the elements constituting the n × n switch network are integrated into a birefringent crystal with electro-optic effect. At the same time, given the control algorithm of the network, through the control of the switch working state, can achieve any non-blocking connection between input and output channels. This single crystal integrated vertical and horizontal switching network with low energy loss, non-blocking, easy to install, anti-interference, etc., suitable for the development of all-optical network needs.