Improved switching using Fano resonances in photonic crystal structures

被引：106
|
作者：
Heuck, Mikkel [1 ]
Kristensen, Philip Trost [1 ]
Elesin, Yuriy [2 ]
Mork, Jesper [1 ]
机构：
[1] Tech Univ Denmark, Dept Photon Engn, DK-2800 Lyngby, Denmark
[2] Tech Univ Denmark, Dept Mech Engn, DK-2800 Lyngby, Denmark
来源：
OPTICS LETTERS | 2013年 / 38卷 / 14期
关键词：
ENERGY;
D O I：
10.1364/OL.38.002466
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present a simple and robust structure for realizing asymmetric Fano transmission characteristics in photonic crystal waveguide-cavity structures. The use of Fano resonances for optical switching is analyzed using temporal coupled mode theory in combination with three-dimensional finite difference time domain simulations taking into account the signal bandwidth. The results suggest a significant energy reduction by employing Fano resonances compared to more well established Lorentzian resonance structures. A specific example of a Kerr nonlinearity shows an order of magnitude energy reduction. (c) 2013 Optical Society of America
引用
收藏
页码：2466 / 2468
页数：3
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