Patent ID: 6433904
Filing Date: 2002-08-13
Classification: H04B,H04J,H04L

Abstract:
A wavelength division multiplexed optical transmission system, comprising:a network having at least one optical amplifier driving at least one optical fiber; a first data source operative to provide a first information signal at a first information rate; a first optical transmitter coupled to said first data source and operative to transmit said first information signal over said network at a first wavelength and at a first optical power through said at least one optical fiber; a second data source operative to provide a second information signal at a second information rate at least two times greater than said first information rate; a forward error correction coder coupled to the output of said second data source and operative to produce an encoded representation of said second information signal; and a second optical transmitter coupled to the forward error correction coder and operative to transmit said second information signal over said network at a second wavelength and at a second optical power through said at least one optical fiber; wherein said first and second transmitters are operative to transmit at respective optical power levels such that said first and second optical powers through said at least one fiber are substantially equal.