DocumentCode
1283132
Title
Dynamic spectral broadening in digitally modulated lasers
Author
O´Gorman, J. ; Levi, A.F.J. ; Tanbun-Ek, T. ; Coblentz, D.L. ; Logan, R.A.
Author_Institution
AT&T Bell Lab., Murray Hill, NJ, USA
Volume
27
Issue
14
fYear
1991
fDate
7/4/1991 12:00:00 AM
Firstpage
1239
Lastpage
1241
Abstract
It is demonstrated that Gbit/s digitally modulated, voltage controlled singlemode multiple quantum well semiconductor lasers with an intracavity saturable absorber show reduced spectral broadening compared to conventional high contrast modulation schemes. The intracavity loss modulated laser linewidth is also calculated using experimentally determined voltage and intensity dependence of absorption in MQW modulators and excellent agreement with experiment is found.
Keywords
distributed feedback lasers; optical communication equipment; semiconductor junction lasers; semiconductor quantum wells; 1.52 micron; MQW lasers; absorption in MQW modulators; digitally modulated lasers; dynamic spectral broadening; gigabit rates; intensity dependence; intracavity loss modulated laser linewidth; intracavity saturable absorber; multiple quantum well semiconductor lasers; voltage dependence;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19910777
Filename
81163
Link To Document