Apparatus and method for transmitting and receiving wavelength division multiplexing signals

  • US 20050147419A1
  • Filed: 12/31/2003
  • Published: 07/07/2005
  • Est. Priority Date: 12/31/2003
  • Status: Active Grant
First Claim
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1. An optical signal receiving apparatus comprising:

  • a housing;

    a plurality of TO-can packaged photo-detectors located on the housing, each of the plurality of TO-can packaged photo-detectors being sensitive to one of a plurality of optical signals, each of the plurality of optical signals having a different wavelength; and

    a plurality of wavelength selective filters located within the housing, where each of the plurality of wavelength selective filters directs one of the plurality of optical signals to one of the plurality of TO-can packaged photo-detectors.

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