LOW-CROSSTALK 2X2 DIGITAL OPTICAL SWITCH

被引:8
|
作者
OKAYAMA, H
KAWAHARA, M
机构
[1] R&D Group, Oki Electric Industry Co., Ltd., 550-5 Higashiasakawa, Hachioji, Tokyo
关键词
OPTICAL SWITCHES; LITHIUM NIOBATE; ELECTROOPTICAL DEVICES;
D O I
10.1049/el:19940299
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
The development of a low-crosstalk 2 x 2 digital optical switch is reported. The device is a composite structure composed of four low-drive-voltage Y-branch digital optical switches and an asymmetric X-junction. A minimum crosstalk level of -37dB was achieved in the TM mode, while in the TE mode the level was -42dB. The voltage-total-length product is identical to that of a conventional 2 x 2 digital optical switch operating at a given level of crosstalk.
引用
收藏
页码:403 / 405
页数:3
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