Dual-purpose VCSEL's for short-haul bidirectional communication links

被引:16
|
作者
Dragas, M [1 ]
White, IH
Penty, RV
Rorison, J
Heard, PJ
Parry, G
机构
[1] Univ Bristol, Dept Elect & Elect Engn, Bristol BS8 1TR, Avon, England
[2] Univ Bristol, Interface Anal Ctr, Bristol BS2 8BS, Avon, England
[3] Univ London Imperial Coll Sci Technol & Med, IRC Semicond Mat, London SW7 2BZ, England
关键词
avalanche photodetector; bidirectional optical communications; optoelectronic transceiver; vertical-cavity surface-emitting laser;
D O I
10.1109/68.806842
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 operation of a new dual-purpose vertical-cavity surface-emitting laser (VCSEL), which functions either as a laser or as an avalanche detector, is presented. The original laser structure is modified by focused ion beam etching, enabling photodetection operation, with avalanche gain in excess of 10 available under reverse bias. Successful operation of a 2-Gb/s link employing two dual-purpose VCSEL's as "ping-pong" transceivers is described. The noise performance is also examined.
引用
收藏
页码:1548 / 1550
页数:3
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