DocumentCode :
1019488
Title :
Degradation of side-mode suppression ratio in a DFB laser integrated with a semiconductor optical amplifier
Author :
Champagne, A. ; Lestrade, Michel ; Camel, Jérôme ; Maciejko, Roman ; Tromborg, Bjarne
Author_Institution :
Dept. de Genie Phys., Ecole Polytechnique de Montreal, Canada
Volume :
40
Issue :
7
fYear :
2004
fDate :
7/1/2004 12:00:00 AM
Firstpage :
871
Lastpage :
877
Abstract :
The degradation of the side-mode suppression ratio (SMSR) in a monolithically integrated distributed feedback laser and semiconductor optical amplifier (SOA) cavity is investigated. An expression is derived that gives the degradation of the SMSR in the case of a perfectly antireflection-coated SOA facet. The amplified spontaneous emission (ASE) backcoupling can have dramatic effects and degrade the SMSR of single-mode devices to unacceptable levels.
Keywords :
distributed feedback lasers; integrated optics; semiconductor optical amplifiers; DFB laser; amplified spontaneous emission backcoupling; monolithically integrated distributed feedback laser; perfectly antireflection-coated SOA facet; semiconductor optical amplifier cavity; side-mode suppression ratio; single-mode devices; Automotive engineering; Degradation; Distributed feedback devices; Laser feedback; Optical feedback; Partial differential equations; Power lasers; Semiconductor lasers; Semiconductor optical amplifiers; Spontaneous emission; DFB; Distributed feedback; SMSR; SOAs; lasers; linewidth; photonic integration; semiconductor optical amplifiers; side-mode suppression ration;
fLanguage :
English
Journal_Title :
Quantum Electronics, IEEE Journal of
Publisher :
ieee
ISSN :
0018-9197
Type :
jour
DOI :
10.1109/JQE.2004.830175
Filename :
1308609
Link To Document :
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