Polarization-independent coupled-waveguide grating filters

被引：0
|
作者：
Guo, Q
Huang, WP
机构：
来源：
EMERGING COMPONENTS AND TECHNOLOGIES FOR ALL-OPTICAL PHOTONIC SYSTEMS II | 1997年 / 2918卷
关键词：
D O I：
10.1117/12.265366
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Theoretical analysis and design principles for a polarization-independent optical wavelength filter based on phase-shifted gratings are developed and presented. Side-lobe suppression is demonstrated by chirping the ratio of the length of phase-shifted section to that of grating section. A design guideline is explained for the polarization-independent filter with side-lobe suppression. It is shown that identical spectral responses for the two polarizations can be achieved despite the polarization-dependent coupling strengths. Tunability of such devices is studied, and the polarization-dependent modal loss is discussed at last.
引用
收藏
页码：203 / 210
页数：8
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