Optical amplification structure with an integrated optical...

H - Electricity – 01 – S

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H01S 3/063 (2006.01) H01S 3/067 (2006.01)

Patent

CA 2440911

The invention relates to an optical amplification structure which can amplify at least one light wave S, comprising an amplification unit in a substrate for each wave to be amplified, said amplification unit comprising a first microguide (7) which can receive the light wave S to be amplified; a second microguide (9) which can receive a pump wave L; a multiplexing device (11) which is associated with the first and second microguide and which can provide a coupled light wave, comprised of wave S and wave L; an amplification device (13) which is connected to the output of the multiplexing device and which can amplify the light wave S by at least partial absorption of the pump wave L, said amplification device being able to provide the amplified light wave S at an output thereof; a third microguide (15) connected to the output of the amplification device in order transport the amplified light wave S; and a demultiplexing device (19) which is associated with the third microguide and which can demultiplex the pump wave L from the amplified light wave S and in order to provide an amplified light wave S on a fourth microguide (17), said light wave being cleansed of the pump wave. The inventive structure can be used in all fields requiring amplification of a light wave, especially in the field of optical telecommunications using fibre optics.

L'invention concerne une structure d'amplification optique apte à amplifier au moins une onde lumineuse S, comportant dans un substrat pour chaque onde à amplifier un ensemble d'amplification composé de: un premier microguide (7) apte à recevoir l'onde lumineuse S à amplifier; un deuxième microguide (9) apte à recevoir une onde de pompe L; un dispositif de multiplexage (11) associé au premier et au deuxième microguide, apte à fournir une onde lumineuse couplée, composée de l'onde S et de l'onde L; un dispositif d'amplification (13) relié à une sortie du dispositif de multiplexage et apte à amplifier l'onde lumineuse S par absorption au moins partielle de l'onde de pompe L; un troisième microguide (15) relié à la sortie du dispositif d'amplification, à véhiculer l'onde lumineuse S amplifiée; et un dispositif de démultiplexage (19) associé au troisième microguide, apte à démultiplexer l'onde de pompe L, de l'onde S amplifiée.

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