Optical: systems and elements – Optical amplifier – Raman or brillouin process
Reexamination Certificate
2005-07-19
2005-07-19
Tarcza, Thomas H. (Department: 3663)
Optical: systems and elements
Optical amplifier
Raman or brillouin process
Reexamination Certificate
active
06919986
ABSTRACT:
A broadband fiber transmission system includes a transmission line with at least one zero dispersion wavelength λoand transmits an optical signal of λ. The transmission line includes a distributed Raman amplifier that amplifies the optical signal through Raman gain. One or more pump sources are included and operated at wavelengths λpfor generating a pump light to pump the Raman amplifier. λ is close to λ0and λ0is less than 1540 nm or greater than 1560 nm.
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Hughes Deandra M.
Tarcza Thomas H.
Xtera Communications Inc.
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