Caractérisation de la perte dépendante de la polarisation de filtres optiques ultrafins

Abstract : The increasing bit rate of WDM networks strengthens the constraints on the optical devices which constitute them. Strict monitoring of phenomena such as chromatic dispersion and polarization sensitivity becomes critical. In the case of optical filters, bandwidth reduction combined with steeper roll-offs unveil effects which were previously negligible. The Yenista Optics company encounters difficulties to control the polarization dependent loss of its optical filters during the manufacturing process. The goal of this thesis is to define a method which allows to accurately characterize polarization dependent loss of ultra-narrowband filters, that is filters whose the bandwidth is a few tens of picometers and the steepness is several hundreds of decibels per nanometer.
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Vincent Henry. Caractérisation de la perte dépendante de la polarisation de filtres optiques ultrafins. Optique / photonique. Télécom ParisTech, 2014. Français. ⟨NNT : 2014ENST0077⟩. ⟨tel-01397421⟩

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