TITLE

Integrated external cavity distributed Bragg reflector laser

AUTHOR(S)
Dutta, N. K.; Cella, T.; Zilko, J. L.; Piccirilli, A. B.; Brown, R. L.; Napholtz, S. G.
PUB. DATE
March 1987
SOURCE
Applied Physics Letters;3/16/1987, Vol. 50 Issue 11, p644
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The fabrication and performance characteristics of single frequency integrated external cavity distributed Bragg reflector lasers are described. The current is confined to the active region of these lasers using semi-insulating Fe-doped InP layers. The semi-insulating layer also provides lateral index guiding to the lasing optical mode both in the active and the passive cavity sections. The lasers emit near 1.52 μm. The threshold currents of these lasers are in the range 70–120 mA. dc linewidth of 2.2 MHz has been obtained for a 5-mm-long laser at an output power of 6 mW. Lasers with longer external cavity and higher mode coupling between the active and the passive cavity sections should exhibit lower dc linewidth.
ACCESSION #
9822393

 

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