DocumentCode
746139
Title
Improvement of optical feedback immunity by using a detuned gain-coupled DFB laser
Author
Achtenhagen, M. ; Borchert, B. ; Miles, R.O. ; Reinhart, F.K.
Author_Institution
Ecole Polytech. Federale de Lausanne, Switzerland
Volume
31
Issue
5
fYear
1995
fDate
3/2/1995 12:00:00 AM
Firstpage
386
Lastpage
387
Abstract
The authors present a comparison of the feedback sensitivity in a detuned gain-coupled (GC) DFB laser able to operate also in a Fabry-Perot (FP) mode. The comparison leads to a very accurate measurement of the reduction of the linewidth enhancement factor. A novel expression is proposed and a value close to 2.0 is found for the wavelength detuning around 28 nm
Keywords
distributed feedback lasers; laser feedback; laser theory; semiconductor lasers; spectral line narrowing; DFB laser; Fabry-Perot mode; detuned gain-coupled laser; feedback sensitivity; linewidth enhancement factor; optical feedback immunity; wavelength detuning;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19950281
Filename
369993
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