A distributed reflector (DR) laser consisting of an active DFB section and a passive DBR section was realized by modulating widths of wirelike active regions. A threshold current as low as 1.5 mA, a differential quantum efficiency from the front facet of 21% and a sub-mode suppression ratio (SMSR) over 50 dB were realized for a stripe width of 3.4 /spl mu/m and a DFB section length of 150.


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    Titel :

    Low-threshold operation of distributed reflector laser with width modulated wirelike active regions


    Beteiligte:
    Ohira, K. (Autor:in) / Murayama, T. (Autor:in) / Hirose, M. (Autor:in) / Yagi, H. (Autor:in) / Tamura, S. (Autor:in) / Arai, S. (Autor:in)


    Erscheinungsdatum :

    2004-01-01


    Format / Umfang :

    239334 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Low-Threshold Operation of Distributed Reflector Laser with Width Modulated Wirelike Active Regions

    Institute of Electrical and Electronics Engineers | British Library Conference Proceedings | 2004



    Distributed Reflector Lasers with Wirelike Active Regions Having Asymmetric Output Property

    Nunoya, N. / Morshed, M. / Ohira, K. et al. | British Library Conference Proceedings | 2001