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All-Optical Liquid Crystal Waveguide on Silicon

机译:硅上的全光液晶波导

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摘要

In this paper we demonstrate nonlinear optical properties of a channel waveguide made of E7 nematic liquid crystal infiltrated in a SiO2/Si V-groove. Light in C-Band (1530-1565 nm), fiber coupled to the core of the liquid crystal waveguide, was optically modulated by the optical beam itself, with a power below 25 mW. A bias voltage was applied to induce a liquid crystal orientation over the Freedericksz threshold and a further director reorientation was obtained by increasing the optical beam. The effect of optical modulation for different applied voltages obtained experimentally was modelled including both opto and electro-optical effects.
机译:在本文中,我们演示了由SiO 2 / Si V槽中渗透的E7向列液晶制成的通道波导的非线性光学特性。光纤耦合到液晶波导纤芯的C波段(1530-1565 nm)中的光由光束本身进行光调制,功率低于25 mW。施加偏置电压以使液晶取向超过Freedericksz阈值,并且通过增加光束获得进一步的指向矢重取向。对通过实验获得的不同施加电压对光调制的影响进行了建模,包括光效应和电光效应。

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