128-CHANNEL POLARIZATION-INSENSITIVE FREQUENCY-SELECTION-SWITCH USING HIGH-SILICA WAVE-GUIDES ON SI

被引:21
作者
TAKATO, N [1 ]
SUGITA, A [1 ]
ONOSE, K [1 ]
OKAZAKI, H [1 ]
OKUNO, M [1 ]
KAWACHI, M [1 ]
ODA, K [1 ]
机构
[1] NIPPON TELEGRAPH & TEL PUBL CORP, YOKOSUKA ELECT COMMUN LABS, TRANSMISS SYST LABS, YOKOSUKA, KANAGAWA 23803, JAPAN
关键词
D O I
10.1109/68.56612
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
A 128-channel polarization-insensitive frequeney-seleetion-switch (FS-SW) with 10 GHz frequency spacing is demonstrated. The FS-SW was fabricated on Si using low-loss GeO2 doped high-silica waveguides and its polarization-insensitive operation was attained by the laser trimming adjustment of a-Si film which controls waveguide birefringence. The fiber-to-fiber loss of the transmitted channel was 6.7 dB in the pigtailed FS-SW and the total crosstalk level was less than -13 dB. © 1990 IEEE
引用
收藏
页码:441 / 443
页数:3
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