Pumping light source drive system for an optical amplifier

Details Pumping light source drive system for an optical amplifier Pumping light source drive system for an optical amplifier

1991-04-04

1992-08-11

Scott, Jr., Leon

Coherent light generators

Particular component circuitry

Optical pumping

372 6, 372 69, 372 75, H01S 300

Patent

active

051386216

ABSTRACT:
A pumping light source drive system is disclosed for driving pumping light sources of an optical amplifier which is composed of a rare earth doped optical fiber doped with a rare earth element and said pumping light sources. The pumping light sources are always held in operation. The output signal power at the output of the rare earth doped optical fiber or the combined power of the pumping light sources is detected and compared with a predetermined reference power to control the output power of the pumping light sources, so that the output signal power or the combined power of the pumping light sources reaches a predetermined value.

REFERENCES:
patent: 4439861 (1984-03-01), Bradford
patent: 4835782 (1989-05-01), Kaede et al.
patent: 4977565 (1990-12-01), Shimosaka
patent: 5033058 (1991-07-01), Cabaret et al.

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