Transmission spectroscopy of photonic crystal based waveguides with resonant cavities

Photonic crystal waveguides including resonant cavities have been fabricated and investigated by transmission spectroscopy. The waveguides consist of two missing rows in a triangular lattice of air holes in a GaAs/AlGaAs slab–waveguide structure. The mirrors of the cavities are formed by adding two...

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Bibliographic Details
Published in:Journal of applied physics 2002-04, Vol.91 (8), p.4791-4794
Main Authors: Moosburger, Jürgen, Kamp, Martin, Forchel, Alfred, Oesterle, Ursula, Houdré, Romuald
Format: Article
Language:English
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Summary:Photonic crystal waveguides including resonant cavities have been fabricated and investigated by transmission spectroscopy. The waveguides consist of two missing rows in a triangular lattice of air holes in a GaAs/AlGaAs slab–waveguide structure. The mirrors of the cavities are formed by adding two rows of holes perpendicular to the guiding direction inside the waveguide. The spectrally broad photoluminescence of an InAs quantum dot layer in the heterostructure is used to probe the transmission. Depending on the resonator size, characteristic resonant peaks are observed in the transmission spectra. Finite difference time domain calculations of the transmission of the investigated structures show good agreement with experimental data.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.1454199