Raman amplification repeater

Details Raman amplification repeater Raman amplification repeater

2007-07-03

2007-07-03

Hughes, Deandra M. (Department: 3663)

Optical: systems and elements

Optical amplifier

Correction of deleterious effects

C359S334000

Reexamination Certificate

active

10936186

ABSTRACT:
A Raman amplification repeater using the amplification function of a signal light caused by Raman scattering which occurs when a pumping light is applied to a transmission path fiber, in which signal light power is monitored by means of a plurality of PDs by using wavelengths for monitoring whose number is larger than the number of pumping light wavelengths to control output power of a pumping light LD which emits the pumping light.

REFERENCES:
patent: 6292288 (2001-09-01), Akasaka et al.
patent: 6542287 (2003-04-01), Ye et al.
patent: 6606188 (2003-08-01), Shimojoh
patent: 6879434 (2005-04-01), Aoki et al.
patent: 2005/0100343 (2005-05-01), Yoshida
patent: 2001-007768 (2001-01-01), None

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