H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/12 (2006.01) H01S 3/067 (2006.01) H01S 3/0941 (2006.01) H04B 10/17 (2006.01) H04B 10/18 (2006.01)
Patent
CA 2639993
The invention relates to a broadband fiber transmission system using a Raman amplifier. In one embodiment the broadband fiber transmission system comprises: a transmission line comprising at least one zero dispersion wavelength .lambda.o and transmitting an optical signal comprising a wavelength .lambda., the transmission line comprising a Raman amplifier that amplifies the optical signal through Raman gain, at least a portion of the transmission line comprises a magnitude of dispersion at the wavelength .lambda. between 10 ps/nm-km and 50 ps/nm-kin; and one or more semiconductor lasers operated at wavelengths .lambda..rho. for generating a pump light to pump the Raman amplifier, wherein the wavelength .lambda. is within thirty (30) nanometers of the at least one zero dispersion wavelength .lambda.o and wherein the at least one zero dispersion wavelength 4 is less than 1540 nm or greater than 1560 nm.
Freeman Michael
Islam Mohammed N.
Kirby Eades Gale Baker
Xtera Communications Inc.
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