Ultracompact nonreciprocal optical isolator based on guided resonance in a magneto-optical photonic crystal slab

被引：74

作者：

Fang, Kejie ^{[1
]}

Yu, Zongfu ^{[2
]}

Liu, Victor ^{[2
]}

Fan, Shanhui ^{[2
]}

机构：

[1] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

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

来源：

OPTICS LETTERS | 2011年 / 36卷 / 21期

基金：

美国国家科学基金会;

关键词：

PULSED-LASER DEPOSITION; TRANSMISSION; DEFECTS;

D O I：

10.1364/OL.36.004254

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We design an ultracompact optical isolator with normal incident geometry that operates with a bandwidth that is substantial for a device of this size. For operation in a telecommunication wavelength of 1: 55 mu m, the thickness of the device is less than 1 mu m and the device supports an operating bandwidth of 400 GHz over which the minimum contrast ratio exceeds 25 dB. Our design utilizes guided resonance in a photonic crystal slab to enhance magneto-optical effects, and exploits interference effects among multiple resonances to create desired transmission spectral line shapes. (C) 2011 Optical Society of America

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页码：4254 / 4256

页数：3

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