Coupled mode analysis of nonlinear defects in photonic crystals

被引:11
|
作者
Li, Shaohui [1 ]
Cai, Xuhong [1 ]
机构
[1] Shantou Univ, Dept Phys, Shantou 515063, Peoples R China
关键词
UNIDIRECTIONAL TRANSMISSION; MICROCAVITIES; ENHANCEMENT; RESONATORS; NANOCAVITY; PAIRS;
D O I
10.1063/1.3246783
中图分类号
O59 [应用物理学];
学科分类号
摘要
We present a general analysis of the coupling of nonlinear photonic crystal cavities using coupled-mode theory. The nonlinear transmission properties of two coupled nonlinear cavities have been investigated. We validate the analysis by comparing the theoretical result with rigorous numerical simulations based on finite-difference time-domain techniques. A device consisting of two nonidentical photonic crystal cavities is proposed, by which we demonstrate that this theory can be employed for designing high-contrast all-optical switches or diodes. (C) 2009 American Institute of Physics. [doi: 10.1063/1.3246783]
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页数:5
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