Two liquid-crystal based optical switching devices for application in a fiberoptic network are presented. They are the space-division fiberoptic routing switches and the dense-wavelength-division-multiplex (DWDM) routing switches. These two devices are the essential building blocks for constructing fiberoptic routing networks without using conventional opto-mechanical devices. The novel liquid-crystal fiberoptic routing switch demonstrated has similar performance specifications as opto-mechanical switches but with a much faster switching speed. An optical "robust" architecture incorporated within this switch design allows it to be operated over a broad spectral window and a wide temperature range, while maintaining an extremely low crosstalk, low insertion loss, low polarization dependent loss and low polarization mode dispersion. The innovative structure of the liquid-crystal wavelength routing switch integrates wavelength filtering and spatial routing functions into a compact device. The versatile filter design provides a prescribed wavelength transmission function and maintains low optical channel isolation. Again, the robust optical design is implemented to achieve excellent thermal stability on this wavelength switch.


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    Titel :

    Liquid-crystal space and wavelength routing switches


    Beteiligte:
    Kuang-Yi Wu (Autor:in) / Jian-Yu Liu (Autor:in)


    Erscheinungsdatum :

    01.01.1997


    Format / Umfang :

    193981 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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