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首页> 外文会议>Conference on Integrated Optics Devices Ⅴ Jan 23-25, 2001, San Jose, USA >Optoelectronic router based on a liquid crystal waveguide
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Optoelectronic router based on a liquid crystal waveguide

机译：基于液晶波导的光电路由器

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摘要

A novel configuration for an optoelectronic integrated router based on a waveguide with a liquid crystal over-layer, working at the wavelength of 1.55 micron, is theoretically discussed for the first time. The device is based on the mode-mixing principle together with the electro-optic effect of a smectic A liquid crystal. The device is composed by a single mode input optical channel waveguide, a bimodal active region, with a liquid crystal over-layer as cover, and an output Y branch to separate the two output channels. The active region is designed to allow a π shift between the two modes that it supports, by means the variation of the effective refractive index of guided modes due to molecular reorientation of liquid crystals induced by an electrical field. By doing so it is possible to steer light from one output channel to the other one. Exhaustive detail about the design both of the input waveguide and of the active region has been given together with the description of the optical behavior of our device. Numerical simulations have shown how this kind of router exhibits satisfactory performances.
机译：理论上首次讨论了基于集成有液晶层的波导的光电子集成路由器的新颖配置，该波导工作在1.55微米的波长下。该器件基于模式混合原理以及近晶A液晶的电光效应。该器件由一个单模输入光通道波导，一个双峰有源区（带有液晶覆盖层作为覆盖层）和一个将两个输出通道分开的输出Y分支组成。有源区被设计为通过电场引起的液晶分子的重新取向，使所引导的模的有效折射率发生变化，从而允许它所支持的两个模之间发生π位移。通过这样做，可以将光从一个输出通道引导到另一输出通道。关于输入波导和有源区域的设计，都已经给出了详尽的详细信息，并描述了我们设备的光学性能。数值仿真表明这种路由器如何表现出令人满意的性能。

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