Experimental demonstration of a wavelength demultiplexer based on negative-refractive photonic-crystal components

被引：28

作者：

Matsumoto, Takashi ^{[1
]}

Asatsuma, Tomohiko ^{[1
]}

Baba, Toshihiko ^{[1
]}

机构：

[1] Yokohama Natl Univ, Dept Elect & Comp Engn, Yokohama, Kanagawa 2408501, Japan

来源：

APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 09期

基金：

日本科学技术振兴机构;

关键词：

D O I：

10.1063/1.2779927

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Negative refraction of light was observed at near-infrared wavelengths in a silicon-on-insulator photonic-crystal-slab superprism having low-loss interface structures. It was used for wavelength demultiplexing as a diffraction grating, in combination with a photonic-crystal superlens used for focusing light beams. Coarse wavelength demultiplexing action with a channel spacing of 7-27 nm was demonstrated in a device whose size was only 80x100 mu m(2) (excluding input and output waveguides). These results agree well with those obtained by a finite-difference time-domain simulation. (c) 2007 American Institute of Physics.

引用

页数：3

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