Raman amplifier with bi-directional pumping

H - Electricity – 01 – S

Patent

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Details

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

Patent

CA 2400900

A Raman amplifier assembly inlcudes a Raman amplifier configured to receive a signal from a signal source. The signal travels in an upstream direction in the Raman amplifier. A first pump source is coupled to the Raman amplifier. The first pump source produces a first pump beam that travels in a downstream direction and is counter-propagating relative to the signal. A second pump source is coupled to the Raman amplifier and produces a second pump beam that travels in the upstream direction. The second pump source has an average relative intensity noise of less than -80 db/Hz.

L'ensemble amplificateur Raman décrit dans cette invention comprend un amplificateur Raman conçu pour recevoir un signal émis par une source. Ce signal se déplace dans l'amplificateur Raman dans une direction amont. Une première source de pompage est connectée avec l'amplificateur Raman. Cette première source de pompage produit un premier faisceau de pompage qui se déplace dans une direction aval, en sens inverse du signal. Une seconde source de pompage également connectée avec l'amplificateur Raman produit un second faisceau de pompage qui se déplace dans la direction amont. La seconde source de pompage présente un bruit d'intensité relative moyenne inférieur à -80 db/Hz.

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