Optical transmitter

H - Electricity – 04 – B

Patent

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Details

H04B 10/04 (2006.01) H04B 10/155 (2006.01) H04B 10/16 (2006.01)

Patent

CA 2259172

An optical transmitter provided with a supercontinuum light source (4) which is composed of an optical amplifier (2) made by using a constant polarized wave amplifying fiber (1) and a constant polarized wave optical fiber (3) which has a length of at least a specified value, is connected to the output side of the optical amplifier (2) and emits light having a continuous wavelength and a stable plane of polarization, a constant polarized wave optical demultiplexer (5) which takes out a light with a desired wavelength from the continuous-wavelength light, and an external modulator (6) which superposes desired information upon the light with the desired wavelength.

L'invention concerne un émetteur optique comportant une source lumineuse à fond supercontinu (4) constituée d'un amplificateur optique (2) réalisé à l'aide d'une fibre d'amplification des ondes polarisées entretenues (1), et une fibre optique à ondes polarisées entretenues (3), laquelle présente une longueur d'au moins une valeur spécifiée, est raccordée au côté sortie de l'amplificateur optique (2) et émet de la lumière présentant une longueur d'onde continue et un plan stable de polarisation. Cet émetteur optique comprend également un démultiplexeur optique à ondes polarisées entretenues (5), lequel extrait de la lumière à longueur d'onde continue une lumière d'une longueur voulue, et un modulateur externe (6) qui superpose les informations voulues à la lumière de la longueur d'onde voulue.

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