Magneto-optic of multilayered conducting superlattices

Nian-Hua Liu; Wei Guo Feng; Xiang Wu

doi:10.1117/12.190717

26 October 1994 Magneto-optic of multilayered conducting superlattices

Nian-Hua Liu, Wei Guo Feng, Xiang Wu

Proceedings Volume 2364, Second International Conference on Thin Film Physics and Applications; (1994) https://doi.org/10.1117/12.190717
Event: Thin Film Physics and Applications: Second International Conference, 1994, Shanghai, China

Abstract

Based on the hydrodynamical model, we develop a transfer matrix formalism to study the optical properties of a superlattice which is composed of two alternating conducting slabs and is subjected to an external static magnetic field parallel to the interfaces. The retardation and collisional damping effects are taken into account. We present the dispersion relations of the electromagnetic modes for an infinite periodic structure and calculate the reflection spectra for a finite system. The localization of the polaritons in a quasi-periodic multilayers is discussed by plotting the amplitudes of the electric field. We find that the dispersion relations are obviously modified by the external magnetic field, and the reflection spectra show rich structure when the magnetic field is applied. The spectra of the electromagnetic modes for the quasi-periodic multilayers exhibit a Cantor-like structure with a scaling property. A transition of extended states to localized states is possible when we vary the applied magnetic field.

Citation Download Citation

Nian-Hua Liu, Wei Guo Feng, and Xiang Wu "Magneto-optic of multilayered conducting superlattices", Proc. SPIE 2364, Second International Conference on Thin Film Physics and Applications, (26 October 1994); https://doi.org/10.1117/12.190717

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