LASER-TRIMMING ADJUSTMENT OF WAVE-GUIDE BIREFRINGENCE IN OPTICAL FDM COMPONENTS

被引:13
作者
SUGITA, A [1 ]
JINGUJI, K [1 ]
TAKATO, N [1 ]
KAWACHI, M [1 ]
机构
[1] NIPPON TELEGRAPH & TEL PUBL CORP, IBARAKI ELECT COMMUN LABS, TOKAI, IBARAKI 31911, JAPAN
关键词
D O I
10.1109/49.57817
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Laser trimming of amorphous-silicon stress-applying films deposited on silica-based single-mode waveguides is demonstrated for controlling waveguide birefringence. Successful applications to polarization-insensitive operation of an optical ring resonator and a Mach-Zehnder interferometer are presented. A phase difference of less than π/100 between TE and TM modes has been attained. © 1990 IEEE
引用
收藏
页码:1128 / 1131
页数:4
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