Photonic crystal coupled-cavity waveguides with asymmetric-defect structure for narrow spectral widths at 1.55 microns

被引：2
|
作者：
Zeller, J [1 ]
Jain, FC [1 ]
机构：
[1] Univ Connecticut, Dept Elect & Comp Engn, Storrs, CT 06269 USA
来源：
PHOTONIC CRYSTAL MATERIALS AND DEVICES III | 2005年 / 5733卷
关键词：
photonic crystals; coupled-cavity; waveguides; photonic band gap; FDTD; defects;
D O I：
10.1117/12.591038
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
A new type of photonic crystal (PC) based coupled-cavity waveguide (CCW), called an asymmetrical-defect coupled-cavity waveguide (AD-CCW), is presented. AD-CCWs produce single mode output with significantly narrower linewidths than conventional symmetrical-defect CCWs. We describe two different AD-CCW designs in two PC material systems: an alternating defect AD-CCW based on a silicon PC, and an incrementing defect AD-CCW based on an InGaAsP PC. The structures are simulated using three-dimensional (3D) finite-difference time-domain (FDTD) calculations. A comparison of AD-CCWs and conventional CCWs is presented based on the simulation results.
引用
收藏
页码：414 / 421
页数：8
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