Optical transmission systems including optical amplifiers...

H - Electricity – 01 – S

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Details

H01S 3/067 (2006.01) H01S 3/102 (2006.01) H01S 3/30 (2006.01) H04B 10/17 (2006.01) H01S 3/094 (2006.01)

Patent

CA 2388247

Optical transmission systems (10) of the present invention include at least one optical amplifier (12) configured to provide optical amplification of one or more information carrying optical signal wavelengths. At least one optical amplifier (12) is controlled based on an in situ performance characterization of the at least one optical amplifier (12) and the transmission fiber (14). The in situ, or installed, performance characteristics of the optical amplifier (12) can be characterized based on relative gain measurements over the signal wavelength range as a function of the supplied pump power. The installed characterization allows the optical amplifier (12) performance and gain profiles to be tightly controlled over the signal wavelength range in the transmission system (10).

L'invention concerne des systèmes (10) de transmission optique comprenant au moins un amplificateur optique (12) conçu pour fournir une amplification optique d'une ou plusieurs longueurs d'onde de signal optique porteur d'information. Au moins un amplificateur optique (12) est commandé en fonction d'une caractérisation de fonctionnement <i>in situ</i> de l'amplificateur (12) et de la fibre (14) de transmission. Les caractéristiques de fonctionnement <i>in situ</i> ou à l'état monté de l'amplificateur optique (12) peuvent être définies en fonction des mesures de gain relatif sur la gamme de longueurs d'onde d'un signal en fonction de la puissance de pompage fournie. La caractérisation à l'état monté permet de commander plus précisément ses caractéristiques de fonctionnement et de gain sur la gamme de longueurs d'onde de signal dans le système (10) de transmission.

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