Optical communications – Multiplex – Wavelength division or frequency division
Reexamination Certificate
2006-03-07
2006-03-07
Chan, Jason (Department: 2633)
Optical communications
Multiplex
Wavelength division or frequency division
C398S141000, C398S095000, C359S337120, C359S337130
Reexamination Certificate
active
07010229
ABSTRACT:
Optical transmission systems of the present invention include at least one optical amplifier generally including an optical signal amplifying medium supplied with pump power in the form of optical energy in via an optical pump source. The pump source includes multiple optical sources, at least two of which provide optical energy in first and second wavelength ranges separated by a frequency difference. The amplifier includes a wavelength controller configured to adjust the wavelength range of at least one of the optical sources to vary the frequency difference in a manner sufficient to vary optical intensity noise produced when the optical energy from the multiple optical sources is combined.
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Copeland David J.
Cornwell, Jr. Donald M.
Laliberte Mark A.
Smith Dean M.
Stephens Thomas D.
Chan Jason
Corvis Corporation
Lee David
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