Optical amplifier

Details Optical amplifier Optical amplifier

1995-05-01

1998-11-03

Negash, Kinfe-Michael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359134, 359160, 359179, 359127, 359341, 372 6, H04B 1000, H04J 1402, H01S 300

Patent

active

058317546

ABSTRACT:
An optical amplifier includes a first multiplexing/demultiplexing unit for multiplexing or demultiplexing a signal light and a pumping light, a first optical amplifying medium coupled to the first multiplexing/demultiplexing unit for amplifying the signal light, a second multiplexing/demultiplexing unit coupled to the first optical amplifying medium for multiplexing or demultiplexing the signal light and the pumping light, a light signal characteristic compensation unit coupled to the second multiplexing/demultiplexing unit for compensating a characteristic of the signal light, and a second optical amplifying medium coupled to the second multiplexing/demultiplexing unit for amplifying the signal light.

REFERENCES:
patent: 5050949 (1991-09-01), DiGiovanni et al.
patent: 5375010 (1994-12-01), Zervas et al.
patent: 5392153 (1995-02-01), Delavaux
patent: 5406404 (1995-04-01), DiGiovanni et al.
patent: 5452116 (1995-09-01), Kirkley et al.
patent: 5500756 (1996-03-01), Tsushima et al.
patent: 5563733 (1996-10-01), Mitsuda et al.
patent: 5579153 (1996-11-01), Laming et al.
"Analysis of Optical Gain Enhanced Erbium-Doped Fiber Amplifiers Using Optical Filters", A. Yu, et al, IEEE Photonics Technology Letters, vol. 5, No. 7, Jul. 1993, pp. 773-775.
"Dispersion Compensating Fibre with a High Figure of Merit of 250ps
m/dB", M. Onishi et al, Electronics Letters, Jan. 20, 1994, vol. 30, No. 2, pp. 161-163.

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