Reflective Heterostructure Photonic Crystal Superprism Demultiplexer

被引：1
|
作者：
Khorshidahmad, Amin [1 ]
Kirk, Andrew G. [1 ]
机构：
[1] McGill Univ, Dept Elect & Comp Engn, Montreal, PQ H3A 2A7, Canada
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2012年 / 24卷 / 04期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Photonic crystal (PhC); superprism (SP); wavelength demultiplexer; COMPACT; DESIGN; FILTER;
D O I：
10.1109/LPT.2011.2177817
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new design for a wideband and compact demultiplexer for coarse wavelength-division-multiplexing applications is proposed. This is based on the superprism effect, using diffraction compensation in a stratified hetero-lattice photonic crystal (PhC) operating in reflective mode. Modeling the variation of the beam envelope within the hetero-lattice, an optimum eight-channel design with 20-nm wavelength spacing is feasible within 42000 mu m(2) of PhC area. The design results in almost diffraction-limited output beams, and provides a size reduction of 2.6 to 7 times when compared to the PhC area required in the homo-lattice SP design.
引用
收藏
页码：303 / 305
页数：3
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