Optical: systems and elements – Optical amplifier – Optical fiber
Reexamination Certificate
2006-03-28
2006-03-28
Keith, Jack (Department: 3663)
Optical: systems and elements
Optical amplifier
Optical fiber
Reexamination Certificate
active
07019894
ABSTRACT:
A method and apparatus for automatically controlling the gain of an optical amplifier. The method begins by establishing a setpoint for ASE power within a given wavelength range generated by the optical amplifier. The pump power supplied to the optical amplifier is adjusted to maintain the ASE power at the established setpoint. The setpoint for the ASE power is adjusted based at least in part on changes in signal input power.
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Yoon et al., “Reference level free multichannel gain equalization and transient gain suppression of EDFA with differential ASE power monitoring”, IEEE Photonics Technology Letters, vol. 11, No. 3, pp. 316-318 (Mar. 1999).
Granlund Stephen W.
Jones Thomas C.
Roberts Kenneth R.
Stentz Andrew John
Bolda Eric
Keith Jack
Mayer & Williams PC
Mayer, Esq. Stuart H.
Meriton Networks US Inc.
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