Method for determining the gain spectrum of a Raman...

Details Method for determining the gain spectrum of a Raman... Method for determining the gain spectrum of a Raman...

2007-07-24

2007-07-24

Hughes, Deandra M. (Department: 3663)

Optical: systems and elements

Optical amplifier

Raman or brillouin process

C398S037000

Reexamination Certificate

active

10525027

ABSTRACT:
The invention relates to a method and device for determining the gain spectrum of a Raman amplifier having an optical amplifier, which is connected in incoming circuit thereto, in a section of a WDM transmission system. A number of spectra are recorded at the output of the Raman amplifier during which the optical amplifier or the Raman amplifier is switched on and off and a high amplified spontaneous emission is generated at the input of the Raman amplifier. Afterwards, the gain spectrum is determined on the basis of the recorded spectra.

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