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DIRECTIONLESS AND COLORLESS RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEXER

  • US 20120027408A1
  • Filed: 07/28/2010
  • Published: 02/02/2012
  • Est. Priority Date: 07/28/2010
  • Status: Active Grant
First Claim
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1. A directionless and colorless reconfigurable optical add/drop multiplexer (ROADM) for a number of clients comprising:

  • an add/drop interface for optical signals of at least one optical network,wherein each received optical signal is split by at least one optical splitter into optical signals which are applied to a downstream cross connector distributing the split optical signals to wavelength selectors of different clients,wherein each wavelength selector performs a wavelength selection of at least one wavelength from the distributed optical signals,wherein an optical signal having a selected wavelength (A) is applied to a client transponder of a client.

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