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PLANAR GEOMETRY THIN-FILM ALL-OPTICAL PROGRAMMABLE SWITCH

机译:平面几何薄膜全光可编程开关

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We describe an all-optical programmable switch that can perform logic gate functions. This switch consists of a planar geometry germanium-doped silica waveguide, a Q-switched and mode-locked Nd:YAG laser, and the means of coupling laser light into different waveguiding modes of the thin film at the fundamental and second-harmonic frequencies. By the application of the appropriate optical program ming sequence, the film-generated second-harmonic light can be made to perform the functionalities of various gates. In particular, a single waveguide was optically programmed to perform the OR function and was then made to perform the AND function with little change to the experimental arrangement. (C) 1996 Optical Society of America [References: 16]
机译:我们描述了可以执行逻辑门功能的全光可编程开关。该开关由一个平面几何结构的掺锗二氧化硅波导,一个Q开关和锁模Nd:YAG激光器以及将激光耦合到基频和二次谐波频率的薄膜的不同波导模式的装置组成。通过应用适当的光学编程顺序,可以使薄膜产生的二次谐波光执行各种门的功能。特别地,对单个波导进行光学编程以执行“或”功能,然后在不改变实验装置的情况下使之执行“与”功能。 (C)1996年美国眼镜学会[参考文献:16]

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