Commercial applications of vertical-cavity surface-emitting lasers (VCSEL) are beginning to show up owing to rapid improvement of the VCSEL major characteristics. Nevertheless, polarization sensitive applications such as the magneto-optic disk or coherence detection are restricted, because VCSELs have no preference for a specific polarization. We propose and demonstrate a simple and novel polarization control scheme which uses an asymmetric Al-oxide aperture. This polarization control mechanism is based on the expectation that the scattering losses along two orthogonal polarization directions are not exactly the same when electromagnetic waves pass through a narrow dielectric slit.


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    Titel :

    Polarization control of vertical-cavity surface-emitting lasers by asymmetric oxide-aperture


    Beteiligte:
    Kyoung-Ho Ha, (Autor:in) / Yong-Hee Lee, (Autor:in)


    Erscheinungsdatum :

    01.01.1999


    Format / Umfang :

    190526 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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