Guided-wave polaritons in ZnO/6H-SiC structures

Evgenie F. Venger; L. Yu. Melnichuk; O. V. Melnichuk; T. V. Shovkoplyas

doi:10.1117/12.569812

20 July 2004 Guided-wave polaritons in ZnO/6H-SiC structures

Evgenie F. Venger, L. Yu. Melnichuk, O. V. Melnichuk, T. V. Shovkoplyas

Proceedings Volume 5507, XVI International Conference on Spectroscopy of Molecules and Crystals; (2004) https://doi.org/10.1117/12.569812
Event: XVI International Conference on Spectroscopy of Molecules and Crystals, 2003, Sevastopol, Ukraine

Abstract

Investigation of the properties of GWPs in a system of ZnO-6H-SiC type is an urgent and important problem of the modern-day physics. Here we studied the main properties of GWPs in the three-layer ZnO-6H-SiC system, namely, regions ofexistence, dispersion curves and energy characteristics (in particular, damping coefficients and spatial structure of the fields of phonon GWPs). Thus the results of our investigations indicate at some essential features of the regions of existence of GWPs in a system involving two semi-infinite layers separated by thin ZnO film. It is shown that the region of GWP existence in a three-layer system consists of two parts if unit cells of the film and substrate crystal lattices contain one oscillator. We studied dispersion curves for GWPs of E- and H-types (the optically active ZnO film being 0.5 and 1 μm thick). The frequency ranges were determined where the zeroth- and first-mode GWPs of both polarizations exist; these GWPs were excited in the above systems with different thicknesses ofthe optically active ZnO film.

Citation Download Citation

Evgenie F. Venger, L. Yu. Melnichuk, O. V. Melnichuk, and T. V. Shovkoplyas "Guided-wave polaritons in ZnO/6H-SiC structures", Proc. SPIE 5507, XVI International Conference on Spectroscopy of Molecules and Crystals, (20 July 2004); https://doi.org/10.1117/12.569812

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