It has recently been found that the coexistence of the two counterpropagating modes in the laser cavity may affect the optical stability and lead to a large variety of operating regimes. In this work we report on the ring cavity mode behaviour in ridge-waveguide semiconductor lasers fabricated on GaAs/AlGaAs and InGaAs/InGaAsP material systems. Investigation on the unidirectional operating regime has shown a drastic improvement in the device performance and frequency stability with respect to bidirectional operation. In addition, we found that a semiconductor ring laser (SRL) operating in the unidirectional regime behaves as an optical bistable device between the two counterpropagating modes.


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    Titel :

    Operating regimes and optical bistability in InGaAs/InGaAsP and GaAs/AlGaAs ring lasers


    Beteiligte:
    Sorel, M. (Autor:in) / Laybourn, P.J.R. (Autor:in) / Giuliani, G. (Autor:in) / Donati, S. (Autor:in) / Scire, A. (Autor:in)


    Erscheinungsdatum :

    2003-01-01


    Format / Umfang :

    80930 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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