Silicon-based photonic crystal heterostructure

被引：31

作者：

Jiang, ZM ^{[1
]}

Shi, B ^{[1
]}

Zhao, DT ^{[1
]}

Liu, J ^{[1
]}

Wang, X ^{[1
]}

机构：

[1] Fudan Univ, Surface Phys Lab, Shanghai 200433, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2001年 / 79卷 / 21期

关键词：

D O I：

10.1063/1.1421093

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A silicon-based one-dimensional photonic crystal heterostructure is proposed, and its applications to an omnidirectional reflector and a transverse electric/transverse magnetic (TE/TM) splitter are illustrated. The photonic crystal heterostructure consists of two sets of multilayers, each has six periods of bilayers of poly-silicon and silicon dioxide. When the incident light comes from a medium with refractive index lower than 1.16, there is a frequency range over which of both TE and TM polarizations will be totally reflected at any incident angle. In such a case, the photonic crystal heterostructure can be used as a low loss omnidirectional dielectric reflector. However, when the refractive index of the medium is higher than 1.16, the heterostructure will serve as a good TE/TM splitter of very low crosstalk within certain ranges of light frequency and incident angle. (C) 2001 American Institute of Physics.

引用

页码：3395 / 3397

页数：3

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