Electrical polarization control of vertical-cavity surface-emitting lasers using polarized feedback and a liquid crystal

被引：35
作者：
Wilkinson, CI
Woodhead, J
Frost, JEF
Roberts, JS
Wilson, R
Lewis, MF
机构：
[1] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S1 3JD, S Yorkshire, England
[2] DERA, Malvern WR14 3PS, Worcs, England
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 1999年 / 11卷 / 02期
关键词：
liquid crystals; optical feedback; polarization; vertical-cavity surface-emitting laser;
D O I：
10.1109/68.740688
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：
We report electrical control of the polarization state of a vertical-cavity surface-emitting laser (VCSEL). The VCSEL is subject to strong external optical feedback (up to 6% of emission), with polarization controlled by a liquid-crystal (LC) element. It is found that the contrast ratio of the complete system can be enhanced compared to the contrast ratio of the LC element alone.
引用
收藏
页码：155 / 157
页数：3
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