Raman amplifiers with improved signal power management

Details Raman amplifiers with improved signal power management Raman amplifiers with improved signal power management

2005-03-01

2005-03-01

Hellner, Mark (Department: 3663)

Optical: systems and elements

Optical amplifier

Correction of deleterious effects

C359S337400

Reexamination Certificate

active

06862135

ABSTRACT:
An optical link comprises a first optical amplifier having a first gain spectrum with a first gain ripple and a second optical amplifier having a second gain spectrum with a second gain ripple. A combined gain spectrum of the first and second gain spectra is substantially flat and has a gain ripple that is substantially less than either the first gain ripple or the second gain ripple over a particular wavelength range.

REFERENCES:
patent: 6556341 (2003-04-01), Krummrich et al.
patent: 6646788 (2003-11-01), Islam et al.

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