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Chinese Physics Letters

Hybrid Optoelectronic Bistability in Frequency-Domain and Its Potential Application in FBG Sensors

叶红安, Liu Chun yu, 吕国辉, 辛海英, 朱晓亮

Published Jan 1, 2008• 0 citations
OpenAlex

Abstract

我们在我们能在在一样的 OBD 被包括的很多个纤维布拉格栅栏(FBG ) 与动光双稳态的手术的频率域建议一台新奇光双稳态的设备(OBD ) 。如此的 OBD 可以在应用带更多的机会，作为一个例子，我们显示出在使解调的一个 FBG 传感器中使用它的可能性系统。由悦耳的轻来源的使用，由宽广乐队来源和扫描纤维 F P (FFP ) 组成，我们示威上述操作试验性地。

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我们在我们能在在一样的 OBD 被包括的很多个纤维布拉格栅栏(FBG ) 与动光双稳态的手术的频率域建议一台新奇光双稳态的设备(OBD ) 。如此的 OBD 可以在应用带更多的机会，作为一个例子，我们显示出在使解调的一个 FBG 传感器中使用它的可能性系统。由悦耳的轻来源的使用，由宽广乐队来源和扫描纤维 F P (FFP ) 组成，我们示威上述操作试验性地。
We propose a novel optical bistable device (OBD) in frequency-domain with which we can perform optical bistable operations in a number of fibre Bragg gratings (FBGs) which are included in the same OBD. Such an OBD may bring more opportunities in applications and, as an example, we show the possibility of using it in an FBG sensor demodulating system. By use of a tunable light source, consisting of a broad band source and a scanning fibre F–P (FFP), we demonstrate the above-mentioned operations experimentally.
本文提出了一种原子-腔光磁机械混合系统中磁振子与光学双稳态的调控理论模型。系统是由微波腔、磁振子、机械振子及原子系综构成，相互之间通过磁致伸缩耦合、光辐射压力及原子能级跃迁等作用相互耦合。基于含耗散与噪声项的量子朗之万方程求解，推导得到磁振子数与光子数的稳态解析解，通过数值结果解析证实了系统的双稳态特性。研究结果表明，两类双稳态均可通过耦合强度、失谐量及耗散系数实现精准调控；原子模式能够优化系统的可调谐性，临界驱动点的瞬时跃迁为开关效应提供了物理基础。本研究丰富了光磁机械混合系统的理论研究，为可调谐磁光器件及量子信息处理设备的研发提供了可靠的理论支撑，具有重要的理论研究价值和潜在的工程应用前景。
The first optical bistable device in China has been demonstrated by Chun-fei Li in Harbin, 1979. It is a hybrid device with nonlinear feedback. Since then his research group began to study optical bistability and its related subjects until now. In the early works they performed several new types of the hybrid OBD using LiNbO3 crystal. They systematically studied static and dynamic stabilities in OB and successfuly demonstrated bifurcations and chaos using a hybrid device with delayed feedback. From 1984 to 1986 they concentrated on narrow gap semiconductor OBD, and obtained dispersive and absorptive combined OB in InSb and optical ns pulse reshape effects using a HgCdTe etalon. They have also observed OB using liquid crystal nonlinear coupling waveguid and OB in liquid suspension of gold particles. They have used dye-filled etalons and light emitting diode hybrid OBD to demonstrated verious optical logics. Recently they have obtained a optical full adder with two ZnS interference filter OBDs.