Two-dimensional photonic crystal multiplexer/demultiplexer

Details Two-dimensional photonic crystal multiplexer/demultiplexer Two-dimensional photonic crystal multiplexer/demultiplexer

G - Physics

02

B

G02B 6/12 (2006.01)

Patent

CA 2537206

An input waveguide (23) and an output waveguide (24) are provided on a two- dimensional photonic crystal comprising cyclically-disposed vacancies (22), and two spot-like defects (25, 26) deficlient in vacancies (22) are provided between the both waveguides, thereby preventing a decrease in wavelength-error- caused efficiency and cross talk with other wavelengths in a two-dimensional photonic crystal slab multiplexer/demultiplexer.

Un guide d'onde d'entrée (23) et un guide d'onde de sortie (24) sont appliqués sur un cristal photonique bidimensionnel comprenant des vides à disposition cyclique (22) qui entourent deux défauts en forme de taches (25, 26) se situant entre les guides d'onde. Cette conception permet d'empêcher la diminution de l'efficacité causée par une erreur de guide d'onde ainsi que les interférences avec d'autres longueurs d'onde dans un multiplexeur/démultiplexeur à lingot à cristal photonique bidimensionnel.

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