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Updated: Jun 16, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
Published on: November 30, 2012
1D photonic band formation and photon localization in finite-size photonic-crystal waveguides
Kirill A Atlasov1, Marco Felici, Karl Fredrik Karlsson
1Laboratory of Physics of Nanostructures, Ecole Polytechnique Fédérale de Lausanne (EPFL), Switzerland. kirill.atlasov@epfl.ch
Abstract:
A transition from discrete optical modes to 1D photonic bands is experimentally observed and numerically studied in planar photonic-crystal (PhC) L(N) microcavities of length N. For increasing N the confined modes progressively acquire a well-defined momentum, eventually reconstructing the band dispersion of the corresponding waveguide. Furthermore, photon localization due to disorder is observed experimentally in the membrane PhCs using spatially resolved photoluminescence spectroscopy. Implications on single-photon sources and transfer lines based on quasi-1D PhC structures are discussed.
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