Multi-wavelength generating method and apparatus based on...

H - Electricity – 04 – B

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H04B 10/18 (2006.01) H04J 14/02 (2006.01)

Patent

CA 2487177

With respect to the relative intensity noise (RIN) for inputs to an optical modulator or the signal-to-noise ratio (SNR) for outputs therefrom, the optical modulator modulating coherent lights of different wavelengths obtained by slicing a spectrum of the multi-wavelength light, the shape of a spectrum of a multi-wavelength light is controlled so that predetermined RIN and SNR can be obtained in accordance with transmission system parameters (the type and distance of optical fibers, the number of repeaters), thus enabling design meeting a performance specification for a conventional transmission section using semiconductor lasers.

En ce qui a trait au bruit d'intensité relative visant des entrées dans un modulateur optique ou le rapport signal sur bruit pour des sorties de celui-ci, le modulateur optique modulant des lumières cohérentes de différentes longueurs d'onde obtenues en tranchant un spectre de lumière de longueurs d'onde multiples, la forme du spectre d'une lumière de longueurs d'onde multiples est contrôlée de façon qu'un rapport signal sur bruit et qu'un bruit d'intensité relative prédéterminés puissent être obtenus selon les paramètres d'un système de transmission (le type et la distance de fibres optiques, le nombre de répéteurs), permettant ainsi de satisfaire à la spécification de performance d'une conception pour une section de transmission conventionnelle utilisant des lasers à semi-conducteur.

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