DocumentCode
1480692
Title
Filter characteristics of DBR amplifier with index and gain coupling
Author
Willems, J. ; David, Klaus ; Morthier, Geert ; Baets, Roel
Author_Institution
Lab. of Electromag. & Acoust., Gent Univ., Belgium
Volume
27
Issue
10
fYear
1991
fDate
5/9/1991 12:00:00 AM
Firstpage
831
Lastpage
833
Abstract
DBR filters with a gain grating are examined for the first time. Simple formulas are derived for the peak reflection and good approximations for the 3dB bandwidth are given. The results show that the performance of the filter can be significantly improved by introducing gain coupling.
Keywords
diffraction gratings; distributed Bragg reflector lasers; integrated optics; optical filters; 3dB bandwidth; DBR amplifier; DBR filters; gain coupling; gain grating; laser; peak reflection;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19910521
Filename
74954
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