DocumentCode
992607
Title
Modal noise reduction of laser diodes with specific thickness coating
Author
Nawata, Koji ; Tomita, S. ; Wakita, Ken
Author_Institution
NTT Atsugi Electrical Communication Laboratory, Atsugi, Japan
Volume
20
Issue
12
fYear
1984
Firstpage
504
Lastpage
505
Abstract
A low facet reflectivity laser diode is able to oscillate in multilongitudinal modes, and has a high relative intensity noise (RIN) and reduces mode hopping noise. By introducing the electron-cyclotron-resonance (ECR) plasma deposition method, a good facet coating film has been obtained. We have demonstrated that a specific coated laser has very low modal noise characteristics even under direct analogue intensity modulation.
Keywords
laser modes; plasma deposited coatings; semiconductor junction lasers; silicon compounds; direct analogue intensity modulation; electron-cyclotron-resonance; laser diodes; low facet reflectivity laser diode; mode hopping noise; multilongitudinal modes; plasma deposition method; relative intensity noise; specific thickness coating;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19840350
Filename
4248815
Link To Document