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首页> 外文期刊>Physica, B. Condensed Matter >Double optical bistability and its application in nonlinear chalcogenide-fiber Bragg gratings
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Double optical bistability and its application in nonlinear chalcogenide-fiber Bragg gratings

机译:双光学双稳性及其在非线性硫族化物-光纤布拉格光栅中的应用

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摘要

We study the continuous wave (CW) nonlinear transmission characteristics of chalcogenide-fiber Bragg gratings (c-FBGs). The set of Cubic quintic septic nonlinear coupled mode equations (CQSNLCMEs) is derived analytically to govern nonlinear wave propagation in c-FBGs by counting until seventh-order nonlinearity in chalcogenide glass. Double-optical bistability is observed in the CW nonlinear transmission characteristics of π phase-shifted c-FBG. Based on unstable state principle in the hysteresis, all-optical transistor operation is shown as a prominent application of optical bistability in such device.
机译:我们研究了硫族化物纤维布拉格光栅(c-FBGs)的连续波(CW)非线性传输特性。通过计算直到硫属化物玻璃中的七阶非线性,分析得出立方三次化脓性非线性耦合模式方程组(CQSNLCME),以控制c-FBG中的非线性波传播。在π相移c-FBG的CW非线性传输特性中观察到双光学双稳态。基于磁滞中的不稳定状态原理,全光晶体管操作被显示为这种器件中光学双稳态的重要应用。

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