Room-temperature continuous-wave operation of membrane distributed-reflector laser

In this paper, we report on the first ever demonstration of a continuous-wave operation of an injection-type membrane distributed-reflector (DR) laser at room temperature. A threshold current of 250 µA was obtained with a stripe width of 0.7 µm, a DFB region length of 30 µm, and a DBR region length...

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Published inApplied physics express Vol. 8; no. 11; pp. 112701 - 112704
Main Authors Hiratani, Takuo, Inoue, Daisuke, Tomiyasu, Takahiro, Atsuji, Yuki, Fukuda, Kai, Amemiya, Tomohiro, Nishiyama, Nobuhiko, Arai, Shigehisa
Format Journal Article
LanguageEnglish
Published The Japan Society of Applied Physics 01.11.2015
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Summary:In this paper, we report on the first ever demonstration of a continuous-wave operation of an injection-type membrane distributed-reflector (DR) laser at room temperature. A threshold current of 250 µA was obtained with a stripe width of 0.7 µm, a DFB region length of 30 µm, and a DBR region length of 90 µm. An external differential quantum efficiency of 11% with a light output ratio between the front and the rear of 6.7 was obtained at the front waveguide.
ISSN:1882-0778
1882-0786
DOI:10.7567/APEX.8.112701