Optical fiber light-amplifier system

Details Optical fiber light-amplifier system Optical fiber light-amplifier system

1991-09-20

1992-12-08

Lee, John D.

Optical waveguides

Optical fiber waveguide with cladding

Utilizing multiple core or cladding

385123, 385128, 372 6, G02B 622

Patent

active

051704587

ABSTRACT:
An improved optical fiber light-amplifier includes an amplifier optical fiber with a center core through which signal light is propagated, and a pumping light generating device which applies pumping light obliquely to the optical fiber. Pumping light is repetitively reflected within the optical fiber from portions of the optical fiber other than the interface between the core and regions surrounding the core. While pumping light is propagated through the fiber, it is absorbed by and excites the center core to amplify signal light being propagated through the optical fiber.

REFERENCES:
patent: 4257676 (1981-03-01), Greubel et al.
patent: 4733929 (1988-05-01), Brown
patent: 4815079 (1989-03-01), Snitzer et al.
patent: 4923279 (1990-05-01), Ainsue et al.
patent: 5048026 (1991-09-01), Shaw et al.
patent: 5101090 (1992-03-01), Coyle, Jr. et al.
Vodhanel et al., "Highly Efficient 978nm Diode-Pumped Eribum-Doped Fibre Amplifier with 24dB Gain", Electronics Letters, vol. 25, No. 20, Sep. 1989, pp. 1386-1388.

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