Electrically steerable lasers using wide-aperture VCSELs

被引：10

作者：

Cohen, MI

Allerman, AA

Choquette, KD

Jagadish, C

机构：

[1] Australian Natl Univ, Res Sch Phys Sci & Engn, Dept Elect Mat Engn, Canberra, ACT, Australia

[2] Sandia Natl Labs, Albuquerque, NM 88448 USA

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2001年 / 13卷 / 06期

关键词：

beam steering; free space optical interconnect; vertical-cavity surface-emitting laser;

D O I：

10.1109/68.924014

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 wide-aperture vertical-cavity surface-emitting laser has been fabricated so as to enhance the transverse mode selection. It was found that the far field emission can be made to exhibit two distinct steerable beams. The laser beams may be steered from 30 degrees away from the normal right up to normal emission by varying the driving current. The steering effect is a thermal effect as confirmed by transient waveform analysis. A two-channel switch was built with switching time between channels of 10 mus and crosstalk of greater than 18 dB.

引用

收藏

页码：544 / 546

页数：3

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