Optical fiber amplifier

Details Optical fiber amplifier Optical fiber amplifier

1992-01-28

1993-06-08

Epps, Georgia Y.

Coherent light generators

Optical fiber laser

372 71, 372 75, 359341, H01S 330

Patent

active

052186083

ABSTRACT:
A signal light is coupled by a light coupler/splitter (31) with a 0.98 micron first pumping light (.lambda..sub.1) generated by a first pumping light source (21), and the coupled light is launched into an Er-doped optical fiber (1). The signal light is optically amplified in the Er-doped optical fiber. A 1.48 micron second pumping light (.lambda..sub.2) generated by second pumping light source (22) is launched into the Er-doped optical fiber (1) with a light coupler/splitter (32). This 1.48 micron pumping light contributes boost the amplified signal.

REFERENCES:
patent: 5050949 (1991-09-01), DiGiovanni et al.
patent: 5138483 (1992-08-01), Grasso et al.
patent: 5140456 (1992-08-01), Huber
R. I. Laming and D. N. Payne, "Noise Characteristics of Erbium-Doped Fiber Amplifier Pumped at 980 nm", IEEE Photonics Technology Letters, vol. 2, No. 6, Jun. 1990, pp. 418-421.

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