The authors have utilized a semiconductor optical amplifier (SOA) as an optical gain/absorption switch and have demonstrated an array of such switches in the form of a monolithic 4x4 optical crossbar switch. This device is completely nonblocking and can be operated in either a point-to-point or broadcast mode, simultaneously linking any combination of four input/output ports on one side with any combination of ports on the other. It is housed in a standard hybrid flatpack, with external control leads and eight connectorized optical fibers. The device consists of ridge waveguides, etched-facet turning mirrors, and etched T-branches laid out into an all-optical-path network. It is fabricated from a single GaAs quantum well/AlGaAs GRINSCH epitaxial structure on an N+GaAs substrate. Because the paths are optical, they transmit signals in either direction-i.e., the device can operate in a duplex (bidirectional) mode. The authors have demonstrated switching functionality, simultaneous routing of two digital FM video signals, and routing of pseudo-random NRZ data.


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    Titel :

    Monolithic semiconductor active waveguide optical switch


    Weitere Titelangaben:

    Monolithischer aktiver optischer Halbleiter-Wellenleiter-Schalter


    Beteiligte:
    Balestra, C.L. (Autor:in) / Blackwell, R.J. (Autor:in) / Johnson, B.C. (Autor:in) / Perrymore, L.G. (Autor:in)


    Erscheinungsdatum :

    1993


    Format / Umfang :

    9 Seiten, 8 Bilder, 8 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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