Optical: systems and elements – Optical amplifier – Raman or brillouin process
Reexamination Certificate
2006-09-12
2006-09-12
Hughes, Deandra M. (Department: 3663)
Optical: systems and elements
Optical amplifier
Raman or brillouin process
Reexamination Certificate
active
07106499
ABSTRACT:
Power of signal light injected to a Raman amplification medium is measured or estimated by calculation and ratio of the gain between forward pump light and backward pump light is controlled according to the result of the measurement or calculation. Wavelengths used in the forward pumping are optimally allocated.
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Dickstein & Shapiro LLP
Hughes Deandra M.
NEC Corporation
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