Compact switched-retroreflection-based 2x2 optical switching fabric for WDM applications

    Authors

    N. A. Riza;N. Madamopoulos

    Comments

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    Abbreviated Journal Title

    J. Lightwave Technol.

    Keywords

    cross connects; fiber optics; liquid crystals; optical switches; wavelength add-drop switches; TUNABLE FILTERS; LIQUID-CRYSTAL; MULTIPLEXER; ROUTER; Engineering, Electrical & Electronic; Optics; Telecommunications

    Abstract

    A low-interchannel-crosstalk 2 x 2 optical switch is proposed and analyzed. The switch is polarization independent and is based on a novel switch-retroreflection architecture and standard fiber-optic circulators that offer ease in assembly and compact size. Low interehannel crosstalk is accomplished using passive and active noise filters that suppress the leakage noise due to the passive polarization components and the active devices, respectively. Theoretical analysis of the proposed 2 x 2 optical switch is performed, and the switch interchannel crosstalk and optical insertion loss is estimated under different conditions. A novel system architecture is also proposed that uses the switched-retroreflection-based 2 x 2 optical switch and wavelength-division multiplexers/demultiplexers to form an add-drop wavelength-division-multiplexed filter with reduced component count.

    Journal Title

    Journal of Lightwave Technology

    Volume

    23

    Issue/Number

    1

    Publication Date

    1-1-2005

    Document Type

    Article

    Language

    English

    First Page

    247

    Last Page

    259

    WOS Identifier

    WOS:000226290600030

    ISSN

    0733-8724

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