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Réseaux résonnants à Bande Interdite Photonique, nouveaux filtres pour le D.W.D.M.

Abstract : Dense wavelength division multiplexing (D.W.D.M.) significantly increases the optical telecommunication
transmission rates. To separate the channels, narrow band spectral filters are necessary.
Resonant gratings, composed with a grating engraved on a planar waveguide, are a
potential solution. These structures support eigenmodes, which can be excited by a wave coming
out of an optical fiber. The excitation creates a resonance peak in the reflected beam,
for a given wavelength and incidence angle. In general, the peak does not exhibit the qualities
required for the D.W.D.M.: at oblique incidence, the angular and spectral tolerances are weak,
and the line shapes are polarization dependent. Combining photonic crystals concepts, a rigorous
phenomenological theory, and a perturbative theory, we design a filter that meet all the
conditions imposed by the D.W.D.M..
Key words: D.W.D.M., filters, resonance, grating,
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https://tel.archives-ouvertes.fr/tel-00084348
Contributor : Anne-Laure Fehrembach <>
Submitted on : Thursday, July 6, 2006 - 4:42:27 PM
Last modification on : Thursday, January 23, 2020 - 6:22:09 PM
Long-term archiving on: : Monday, April 5, 2010 - 11:52:57 PM

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Anne-Laure Fehrembach. Réseaux résonnants à Bande Interdite Photonique, nouveaux filtres pour le D.W.D.M.. Physique [physics]. Université de droit, d'économie et des sciences - Aix-Marseille III, 2003. Français. ⟨tel-00084348⟩

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