Gain-controllable wideband optical fiber amplifier

Details Gain-controllable wideband optical fiber amplifier Gain-controllable wideband optical fiber amplifier

2006-03-21

2006-03-21

Hellner, Mark (Department: 3663)

Optical: systems and elements

Optical amplifier

Optical fiber

Reexamination Certificate

active

07016106

ABSTRACT:
Disclosed is a gain-controllable wideband optical fiber amplifier for amplifying both C-band and L-band optical signals, which comprises: a first amplifying section configured to (1) be pumped in at least one direction, (2) amplify both C-band and L-band optical signals and (3) output an amplified spontaneous emission; an optical attenuator for attenuating the power of the spontaneous emission; and a second amplifying section pumped by the attenuated spontaneous emission to secondarily amplify the amplified L-band optical signals.

REFERENCES:
patent: 6233092 (2001-05-01), Flood et al.
patent: 6731426 (2004-05-01), Yeniay et al.
patent: 2002261363 (2002-09-01), None
patent: 2002319726 (2002-10-01), None

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