Wideband optical fiber amplifier

Details Wideband optical fiber amplifier Wideband optical fiber amplifier

2006-04-25

2006-04-25

Hughes, Deandra M. (Department: 3663)

Optical: systems and elements

Optical amplifier

Beam combination or separation

Reexamination Certificate

active

07034997

ABSTRACT:
The wideband optical fiber optical includes a circulator. In addition the amplifier outputs the amplified spontaneous emission (ASE) and the S-band optical signals. At least one optical fiber grating is used for passing the C- and L-band optical signals. A wavelength selective splitter outputs the L-band optical signal. A first optical fiber amplifying unit connected with the optical fiber grating and the first port of the wavelength selective splitter, for amplifying the C- and L-band optical signals and for outputting the ASE to the optical fiber grating. A second optical fiber amplifying unit for amplifying the L-band optical signals inputted from the second port of the wavelength selective splitter and for outputting the amplified L-band optical signals to the third terminal of the outputting unit. A third optical fiber amplifying unit amplifies the S-band optical signals input from the third port of the circulator, and outputs the amplified S-band optical signals to the first terminal of the outputting unit.

REFERENCES:
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patent: 0883218 (1998-12-01), None
patent: WO 02/061987 (2002-08-01), None

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