All-optical bistable switching, hard-limiter and wavelength-controlled power source

被引：7

作者：

Shirdel M. ^{[1
]}

Mansouri-Birjandi M.A. ^{[1
]}

机构：

[1] Faculty of Electrical and Computer Engineering, University of Sistan and Baluchestan (USB), Zahedan

来源：

Frontiers of Optoelectronics | 2016年 / 9卷 / 04期

关键词：

all-optical; bistability; Kerr nonlinearity; photonic crystal cavity; switching;

D O I：

10.1007/s12200-016-0526-2

中图分类号：

学科分类号：

摘要：

In this paper, an all-optical bistable switching operation of resonant-tunneling devices with ultra-small photonic crystal cavity was demonstrated. The whole structure was based on a square lattice photonic crystal formed by rods of refractive index nr= 3.4 in an air background. The cavity was surrounded by eight nonlinear rods of refractive index nL0= 3.1 and nonlinear Kerr coefficient n2= 9 × 10–17 W/m2. Nonlinear finite difference time domain method was used to get a bistability hysteresis loop. Next, all-optical wavelength controlled power source (WCPS), hard-limiter and switching operation based on optical nonlinearity were shown. And that small cavity structure has a small length of 12 mm. Considering the numerous applications and small length, this proposed structure has various potential function in all-optical circuits. Keywords © 2016, Higher Education Press and Springer-Verlag Berlin Heidelberg.

引用

页码：560 / 564

页数：4

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