DocumentCode
1012119
Title
Measured dynamic linewidth properties of a 1.5 μm DFB-grin-rod coupled-cavity laser under direct high-frequency modulation
Author
Lee, T.P. ; Menocal, S.G.
Author_Institution
Bell Communications Research, Murray Hill, USA
Volume
21
Issue
22
fYear
1985
Firstpage
1046
Lastpage
1048
Abstract
The DFB laser with a graded-index-rod external cavity has exhibited linewidth as narrow as 2 MHz at 1 mW with CW excitation. The linewidth remained narrow under direct frequency modulation with β ≪ 0.6 but broadened for large β. A frequency deviation of 200 MHz/mA has been measured at 1.7 GHz modulation frequency.
Keywords
distributed feedback lasers; frequency modulation; gradient index optics; integrated optics; laser cavity resonators; optical communication equipment; optical modulation; semiconductor junction lasers; spectral line breadth; 1.5 micron wavelength; 1.7 GHz; DFB laser; FM; GRIN-rod coupled-cavity laser; direct high-frequency modulation; dynamic linewidth properties; graded-index-rod external cavity; integrated optics; optical communication equipment; semiconductor lasers;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19850743
Filename
4251578
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