Pulse optimization for all-optical switching engineered in photonic crystal waveguide with micro-resonator

被引：0
|
作者：
Vujic, Dragan [1 ]
机构：
[1] Univ Kragujevac, Fac Agron, Cara Dusana 34, Cacak 32000, Serbia
来源：
JOURNAL OF NONLINEAR OPTICAL PHYSICS & MATERIALS | 2017年 / 26卷 / 04期
关键词：
Nonlinear waveguides; all-optical switching; Kerr effects; photonic crystal waveguides; bistable switching; LOW-POWER; MICROCAVITY; PICOSECOND; DESIGN;
D O I：
10.1142/S0218863517500503
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have investigated switching properties and especially pulse shape preservation in the process of all-optical switching. To this end, we made two different designs of all-optical switches based on two-dimensional (2D) photonic crystal (PC) waveguides with different dispersive properties and micro-resonators with different quality factors. We realized numerically that all-optical switching without or with marginal temporal pulse distortion can be obtained under precisely chosen conditions on pulse duration and detuning. In particular, the former has to be approximately 2.5 times longer than cavity buildup time and the latter has to be equal to one full width at half maximum of the cavity transmission spectrum.
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页数：14
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