Continuous wave operation of a surface-emitting AlGaAs/GaAs multiquantum well distributed Bragg reflector laser

DOI PDF 被引用文献5件
  • Keisuke Kojima
    Central Research Laboratory, Mitsubishi Electric Corporation, 1-1 Tsukaguchi-honmachi 8-chome, Amagasaki, Hyogo 661, Japan
  • Susumu Noda
    Central Research Laboratory, Mitsubishi Electric Corporation, 1-1 Tsukaguchi-honmachi 8-chome, Amagasaki, Hyogo 661, Japan
  • Kazumasa Mitsunaga
    Central Research Laboratory, Mitsubishi Electric Corporation, 1-1 Tsukaguchi-honmachi 8-chome, Amagasaki, Hyogo 661, Japan
  • Kazuo Kyuma
    Central Research Laboratory, Mitsubishi Electric Corporation, 1-1 Tsukaguchi-honmachi 8-chome, Amagasaki, Hyogo 661, Japan
  • Koichi Hamanaka
    Central Research Laboratory, Mitsubishi Electric Corporation, 1-1 Tsukaguchi-honmachi 8-chome, Amagasaki, Hyogo 661, Japan

説明

<jats:p>The first cw operation of an AlGaAs/GaAs distributed Bragg reflector laser was achieved at room temperature with a threshold current as low as 38 mA. Surface emission exceeding 4 mW was obtained with an external differential quantum efficiency of 9% and a beam divergence of 0.17°×10°. A two-dimensional laser array with 3×4 gratings was also fabricated and an output power exceeding 500 mW was obtained under pulsed condition.</jats:p>

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