Sharp edge wavelength filters utilizing multilayer photonic crystals

被引：5
|
作者：
Ohtera, Yasuo [1 ]
Inoue, Yoshihiko [2 ]
Kawashima, Takayuki [2 ]
机构：
[1] Tohoku Univ, Grad Sch Engn, Sendai, Miyagi 9808579, Japan
[2] Photon Lattice Inc, Sendai, Miyagi 9800845, Japan
来源：
OPTICS EXPRESS | 2009年 / 17卷 / 08期
关键词：
INFRARED WAVELENGTHS; BAND;
D O I：
10.1364/OE.17.006347
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel configuration of dielectric multilayer wavelength filters for enabling sharp cut-off characteristics is proposed. By applying perturbations to the multilayer structures such as corrugation or lateral film isolation, deep optical stopbands can be created as a result of the coupling between the obliquely and horizontally propagating light waves. Numerical simulation by FDTD revealed that the proposed structure had approximately two to three times larger decay constants than that of unmodulated flat multilayer. (C) 2009 Optical Society of America
引用
收藏
页码：6347 / 6356
页数：10
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