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All-optical logic gates and a half-adder based on lithium niobate photonic crystal micro-cavities

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摘要

All-optical logic gates including AND, XOR, and NOT gates, as well as a half-adder, are realized based on two-dimensional lithium niobate photonic crystal (PhC) circuits with PhC micro-cavities. The proposed all-optical devices have an extinction ratio as high as 23 dB due to the effective all-optical switch function induced by two-missing-hole micro-cavities. These proposed devices can have potential implementation of complex integrated optical functionalities including all-optical computing in lithium niobate slab or thin film.

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作者单位:

    Shanghai Jiao Tong University
    上海交通大学物理系光子所

引用该论文

Lu Chenghao,Zhu Bing,Zhu Chuanyi,Ge Licheng,Liu Yi''an,Chen Yuping,Chen Xianfeng. All-optical logic gates and a half-adder based on lithium niobate photonic crystal micro-cavities[J].Chinese Optics Letters,2019,17(7):07.