Remodulating channel selectors for WDM optical communication systems

  • US 5,715,076 A
  • Filed: 06/24/1996
  • Issued: 02/03/1998
  • Est. Priority Date: 05/11/1995
  • Status: Expired due to Term
First Claim
Patent Images

1. A remodulating channel selector for a wavelength division multiplexed optical communication system comprising:

  • an optical input port configured to receive a wavelength division multiplexed optical communication signal from a wavelength division multiplexed optical communication system;

    an optical channel selector optically communicating with the optical input port for optically selecting a single optical channel from the wavelength division multiplexed optical communication signal received from the optical input port;

    an optical-to-electrical converter optically communicating with the optical channel selector for receiving the selected optical channel from the optical channel selector and outputting an electrical signal corresponding to information from the selected optical channel;

    an optical signal emitter for creating an optical signal for outputting to a remodulating channel selector output port;

    modulator means for imparting information from the selected optical channel to the optical signal created by the optical signal emitter, the modulator means communicating with the electrical signal created by the optical-to-electrical converter and communicating with the optical signal emitter.

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