DocumentCode
1529666
Title
Enhancement of a liquid-crystal modulator using an external-cavity VCSEL
Author
Wilkinson, C.I. ; Woodhead, J. ; Frost, J.E.F. ; Roberts, J.S. ; Wilson, R. ; Lewis, M.F.
Author_Institution
Dept. of Electron. & Electr. Eng., Sheffield Univ., UK
Volume
11
Issue
8
fYear
1999
Firstpage
940
Lastpage
942
Abstract
We describe a vertical-cavity surface-emitting laser (VCSEL) and liquid-crystal modulator (LCM) system. The LCM controls external optical feedback into the VCSEL to produce a single switching element that has an enhanced contrast ratio compared to an LCM alone.
Keywords
electro-optical switches; laser cavity resonators; laser feedback; liquid crystal devices; semiconductor lasers; spatial light modulators; surface emitting lasers; enhanced contrast ratio; external optical feedback; external-cavity VCSEL; laser feedback; liquid crystal switches; liquid-crystal modulator; single switching element; vertical-cavity surface-emitting laser; Laser feedback; Liquid crystals; Mirrors; Optical feedback; Optical modulation; Semiconductor laser arrays; Surface emitting lasers; Switches; Threshold current; Vertical cavity surface emitting lasers;
fLanguage
English
Journal_Title
Photonics Technology Letters, IEEE
Publisher
ieee
ISSN
1041-1135
Type
jour
DOI
10.1109/68.775306
Filename
775306
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