Limitations imposed by birefringence uniformity on narrow-linewidth filters based on mode coupling

被引：5

作者：

Chollet, F ^{[1
]}

Goedgebuer, JP ^{[1
]}

Ramantoko, G ^{[1
]}

机构：

[1] Univ Franche Comte, Lab Opt PM Duffieux, CNRS, Inst Microtech,UMR 6603, F-25030 Besancon, France

来源：

OPTICAL ENGINEERING | 2001年 / 40卷 / 12期

关键词：

integrated optics; tunable filters; birefringence; apodization; modes coupling; optical fabrication;

D O I：

10.1117/1.1418711

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Integrated tunable narrow-linewidth wavelength filters based on TE-TM mode conversion require a high quality processing. The discussion is based on numerical simulations of typical technology-induced defects and on a comparison with experimental results. We show that uniformity of the LiNbO3 crystal growth currently limits the linewidth to about 0.6 nm for spectral filters operating at 1.55 mum. Moreover, such a filter would require a technology with strict conditions of uniformity over several centimeters. The discussion is focused on electro-optic filters but the results can be extended to any device based on codirectional mode coupling, such as acousto-optic filters. (C) 2001 Society of Photo-Optical Instrumentation Engineers.

引用

页码：2763 / 2770

页数：8

共 30 条

[1] EFFICIENT WAVE-GUIDE ELECTRO-OPTIC TEREVERSIBLETM MODE CONVERTER-WAVELENGTH FILTER [J].