Optical circulators in two-dimensional magneto-optical photonic crystals

被引：266

作者：

Wang, Z ^{[1
]}

Fan, SH ^{[1
]}

机构：

[1] Stanford Univ, Ginzton Lab, Stanford, CA 94305 USA

来源：

OPTICS LETTERS | 2005年 / 30卷 / 15期

关键词：

D O I：

10.1364/OL.30.001989

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose an optical circulator formed of a magneto-optical cavity in a 2D photonic crystal. With spatially engineered magnetic domain structures, the cavity can be designed to support a pair of counterrotating states at different frequencies. By coupling the cavity to three waveguides, and by proper matching of the frequency split of the cavity modes with the coupling strength between the cavity and the waveguide, ideal three-port circulators with complete isolation and transmission can be created. We present a guideline for domain design needed to maximize the modal coupling and the operational bandwidth for any given magneto-optical constant. (c) 2005 Optical Society of America.

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页码：1989 / 1991

页数：3

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