Optical fiber amplifier with two directional pumping

Details Optical fiber amplifier with two directional pumping Optical fiber amplifier with two directional pumping

1996-02-23

1997-06-17

Hellner, Mark

Optical: systems and elements

Optical amplifier

Optical fiber

H01S 300

Patent

active

056402686

ABSTRACT:
An amplifying fiber is connected at both ends to two respective pump-forming semiconductor lasers. The connections are made via two pump injection fibers and two multiplexers. According to the invention, each of the two pump injection fibers includes a respective photorefractive filter constituting a portion of the resonant cavity of the associated pump, and serving to separate the spectrum bands of the pumps. The invention is particularly applicable to optical fiber telecommunications networks.

REFERENCES:
patent: 5140456 (1992-08-01), Huber
patent: 5323404 (1994-06-01), Grubb
patent: 5327282 (1994-07-01), Takeda et al.
patent: 5404413 (1995-04-01), Delavaux et al.
patent: 5434702 (1995-07-01), Byron
patent: 5530583 (1996-06-01), Uno et al.
C. R. Giles et al, "Simultaneous Wavelength-Stabilization of 980-nm pump laser", IEEE Photonics Technology Letters, vol. 6, No. 8, 1908- 1994 New York US, pp. 907-909, XP 000465479.

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