Design of Simple Wavelength or Polarization Filter/Combiner |
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Authors: | Guangzhou Chen Anca L. Sala Y. Sikorski R. T. Deck B. G. Bagley |
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Affiliation: | a Department of Physics and Astronomy, University of Toledo, Toledo, Ohio, USA |
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Abstract: | We present an analytical and numerical analysis of a simple wavelength or polarization filter/combiner constructed from three single-mode rectangular waveguides. The device has the advantage of easy fabrication using existing planar light guide techniques and can be designed to discriminate between optical signals with distinct polarizations at a given wavelength or between signals at a fixed polarization with a wavelength separation of 9~nm or more. It is therefore well suited for CWDM metro-communication, local area network, sensor, or control applications. |
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Keywords: | wavelength filter polarization filter rectangular waveguide planar lightguide circuit coarse wavelength division multiplexing |
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