DocumentCode
840915
Title
Miniature packaged external-cavity semiconductor laser with 50 GHz continuous electrical tuning range
Author
Mellis, J. ; Al-Chalabi, S.A. ; Cameron, K.H. ; Wyatt, R. ; Regnault, J.C. ; Devlin, W.J. ; Brain, M.C.
Author_Institution
British Telecom Res. Labs., Ipswich
Volume
24
Issue
16
fYear
1988
fDate
8/4/1988 12:00:00 AM
Firstpage
988
Lastpage
989
Abstract
Miniature, packaged, grating-external-cavity lasers have been developed for use in PSK and DPSK coherent transmission systems at 1.5 μm. The outside dimensions of the package are 30×30×50 mm and the optical cavity length is nominally 30 mm, resulting in a spectral linewidth <100 kHz. The lasing wavelength is mechanically adjustable over the range 1510-1560 nm and electrically tunable over the range of 0.8 nm. With appropriate control of the grating piezos, a continuous (hop-free) tuning range of 50 GHz (0.4 nm) can be obtained
Keywords
laser cavity resonators; optical communication equipment; semiconductor junction lasers; tuning; 1.5 micron; 30 to 50 mm; DPSK; PSK; coherent transmission systems; dimensions; electrically tunable; external-cavity semiconductor laser; grating-external-cavity lasers; lasing wavelength; mechanically adjustable; optical cavity length; spectral linewidth; tuning range;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
Filename
191684
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