Optical fiber transmission system, raman gain control device...

Details Optical fiber transmission system, raman gain control device... Optical fiber transmission system, raman gain control device...

2005-06-07

2005-06-07

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Optical fiber laser

C372S071000, C359S334000, C385S123000

Reexamination Certificate

active

06904064

ABSTRACT:
A Raman gain control method of controlling a Raman gain caused by simultaneous application of pump lights of a plurality of wavelengths to an optical fiber, which includes, based on a relation of a ratio coefficient which is a ratio of power of each pump light to total power of all the pump lights with the Raman gain, from a designated value of the Raman gain, calculating power of each pump light realizing the designated Raman gain within a designated wavelength range, and controlling power of each pump light applied to the optical fiber to apply each pump light at each power calculated.

REFERENCES:
patent: 6771864 (2004-08-01), Kubo et al.
patent: 6775057 (2004-08-01), Akasaka et al.
patent: 6795235 (2004-09-01), Okuno et al.
patent: 2001-7768 (2001-01-01), None
Howard Kidorf, et al., “Pump Interactions in a 100-mm Bandwith Raman Amplifler,”IEEE Photonics Technology Letters, vol. 11, No. 5, pp. 530-532 (May 1999).

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