TITLE

Long cavity ridge waveguide AlGaAs/GaAs distributed feedback lasers for spectral linewidth reduction

AUTHOR(S)
Kojima, Keisuke; Noda, Susumu; Tai, Shuichi; Kyuma, Kazuo; Hamanaki, Koichi; Nakayama, Takashi
PUB. DATE
August 1986
SOURCE
Applied Physics Letters;8/18/1986, Vol. 49 Issue 7, p366
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Ridge waveguide AlGaAs/GaAs distributed feedback lasers with the cavity length of 820 μm were fabricated. The differential quantum efficiency was as high as 28%, and the power-dependent linewidth was more than an order of magnitude smaller than that of the 290 μm laser, which agrees with theory. The narrowest linewidth was 12 MHz at 6.2 mW.
ACCESSION #
9820558

 

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