Optical communication system having enhanced spectral efficiency using electronic signal processing

  • US 7,747,172 B2
  • Filed: 05/04/2007
  • Issued: 06/29/2010
  • Est. Priority Date: 05/10/2006
  • Status: Active Grant
First Claim
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1. An optical communication system comprising:

  • a transmitter having a filter that pre-filters each of a plurality of data channels to limit the bandwidth of each of said plurality of data channels and outputs an optical transmission which includes the pre-filtered data channels; and

    a receiver having an equalizer that applies digital equalization to the optical transmission, said digital equalization configured to compensate for the pre-filtering of the data channels at the transmitter.

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