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Regensburg 2010 – wissenschaftliches Programm

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HL: Fachverband Halbleiterphysik

HL 60: Poster II: Optical Properties, incl. Photonic Crystals and Ultrafast Phenomena

HL 60.9: Poster

Donnerstag, 25. März 2010, 18:00–20:00, Poster D1

Mode Behavior of Coupled Photonic Cavities — •Dennis Ehmer, Matthias Reichelt, and Torsten Meier — Department Physik, Universität Paderborn, Warburger Str. 100, D-33098 Paderborn, Germany

The mode behavior of several coupled photonic cavities embedded in a dielectric Bragg structure is investigated numerically using the finite-difference time-domain algorithm [1]. It is shown that for the case of three cavities the well-known symmetry of the eigenmodes leads to a zero field in one of the cavities which has also been recently measured for three coupled microdisk resonators [2]. Furthermore, the coupling strength between two cavities depending on geometrical parameters is determined. [3] It is planned to additionally introduce semiconductor quantum dots into the cavities.
[1] A. Taflove, Advances in Computational Electrodynamics, Artech House, (1998).
[2] C. Schmidt et al., Phys. Rev. A 80, 043841 (2009).
[3] D. Ehmer, Modellrechnungen zu eindimensionalen gekoppelten photonischen Resonatoren und Zweiniveausystemen , Bachelor Thesis, University of Paderborn, to be published.

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