DocumentCode
795570
Title
Mode selection in complex-coupled semiconductor DFB lasers
Author
Flanigan, B.J. ; Carroll, J.E.
Author_Institution
Dept. of Eng., Cambridge Univ., UK
Volume
31
Issue
12
fYear
1995
fDate
6/8/1995 12:00:00 AM
Firstpage
977
Lastpage
979
Abstract
Mode suppression in complex-coupled DFB lasers with both in-phase and antiphase gain gratings is examined through a novel use of power balance. The theory is then backed up by more detailed arguments using a dynamic time domain model. The phase of the gain grating in relation to the index grating determines which mode of the DFB is suppressed. Longitudinal variations in the gain coupling coefficient caused by spatial hole burning provide additional side-mode suppression mechanisms
Keywords
distributed feedback lasers; laser modes; laser theory; optical hole burning; semiconductor lasers; antiphase gain gratings; complex-coupled semiconductor DFB lasers; dynamic time domain model; gain coupling coefficient; in-phase gain gratings; index grating; mode selection; mode suppression; power balance; side-mode suppression; spatial hole burning;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19950691
Filename
390988
Link To Document