Supervisory controlling method and supervisory controlling...

Details Supervisory controlling method and supervisory controlling... Supervisory controlling method and supervisory controlling...

2010-01-19

2011-10-18

Tran, Dzung (Department: 2613)

Optical communications

Optical repeater system

Supervisory signal by repeater

C398S079000, C398S177000

Reexamination Certificate

active

08041231

ABSTRACT:
The present invention aims at providing a technique capable of supervising and controlling optical repeaters, without affecting transmission characteristics and wavelength bands of signal lights, by utilizing the Raman effect. To this end, the present invention provides a supervisory controlling system of an optical repeater, in an optical amplifying-and-repeating transmission system for amplifying and repeatingly transmitting signal light propagated through an optical transmission path by the optical repeater, wherein the supervisory control signal light is amplified due to the Raman effect by the signal light acting as excitation light in an optical transmission path (Raman amplifying medium), to thereby supervise and control the optical repeater in accordance with the thus Raman amplified supervisory control signal light.

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