Continuous wave operation of GaInP/AlGaInP DFB lasers at room temperature is reported. The DFB lasers in ridge waveguide geometry show stable singlemode emission with a sidemode suppression > 30 dB and a threshold current of 25.9 mA at 20°C. Singlemode operation could be achieved for a large temperature range between –10 and 40°C. Even for 40°C the threshold current remains below 50 mA.


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    Titel :

    Low threshold CW operation of GaInP/AlGaInP DFB lasers at 680 nm


    Beteiligte:
    Gauggel, H.-P. (Autor:in) / Kuhn, J. (Autor:in) / Jerichow, C. (Autor:in) / Geng, C. (Autor:in) / Scholz, F. (Autor:in) / Schweizer, H. (Autor:in)

    Erscheinungsdatum :

    1997-07-31


    Format / Umfang :

    2 pages



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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