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WEIGHTED DISTRIBUTED FEEDBACK STRUCTURE FOR ALL-OPTICAL BISTABLE DEVICES

机译：全光双稳态器件的加权分布式反馈结构

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摘要

We proposed to use a distributed feedback structure with a weighted coupling coefficient (W-DFB) in an all-optical bistable device in order to improve on-state transmittance and to reduce threshold intensity. Through numerical calculations, characteristics of the W-DFB structure were discussed compared with those of a conventional DFB structure. The W-DFB optical bistable device exhibits high on-state transmittance and low-threshold input intensity. Fabrication of the W-DFB structure with a periodicity of 169.8 Ma is demonstrated on a CdSxSe1-x-doped glass substrate by means of holographic exposure with a double-coated photoresist and reactive ion etching in CHF3. [References: 11]
机译：我们建议在全光双稳态器件中使用具有加权耦合系数（W-DFB）的分布式反馈结构，以提高通态透射率并降低阈值强度。通过数值计算，讨论了W-DFB结构与传统DFB结构的特征。 W-DFB双稳态光学器件显示出高的通态透射率和低阈值输入强度。通过在CdSxSe1-x掺杂的玻璃基板上用双层光刻胶进行全息曝光并在CHF3中进行反应性离子刻蚀，证明了周期为169.8 Ma的W-DFB结构的制备。 [参考：11]

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