Optical amplifier

Details Optical amplifier Optical amplifier

1998-04-30

2000-07-18

Moskowitz, Nelson

Optical: systems and elements

Optical amplifier

Optical fiber

359160, 359179, 372 6, H01S 3067, H01S 3091, G02B 626

Patent

active

060915404

ABSTRACT:
An optical amplifier which amplifies a signal light, wherein a pumping light source outputting a pumping light, a first wavelength multiplexer multiplexing the signal light and the pumping light and providing a multiplexed light to a first doped fiber. A first doped fiber amplifying the signal light, a wavelength demultiplexer receiving the multiplexed light from the first doped fiber and separately outputting the amplified signal light and the pumping light. An optical component receiving the amplified signal light form the demultiplexer and attenuating the amplified signal light and a second wavelength multiplexer multiplexing the attenuated signal light received from the optical component and the demultiplexed pumping light received from the wavelength demultiplexer. A second doped fiber amplifying the attenuated signal light.

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Laning et al, BFOCEN 1993, Secard Generator Fiber amplifiers. . . , pp 35-39, Jul. 2, 1993.
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m/dB", M. Onishi et al, Electronics Letters, Jan. 20, 1994, vol. 30, No. 2, pp. 161-163.

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