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Proceedings Paper

Modal dispersion structure of coupled magneto-optical waveguides with respect to photonic bandgap localization
Author(s): Dzmitry Shyroki
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Paper Abstract

We analyze theoretically the modal dispersion of N-period planar waveguides with a bilayer unit cell containing thin magnetized metal film. Three basic configurations of external dc magnetic field are discussed: transversal, polar, and longitudinal. On the basis of coordinate-free surface-impedance formalism we derive compact analytical formula for the characteristic transmission matrix of the magnetized layer in case of polar configuration, which is to our knowledge the novel and non-trivial result. We show that increasing the number of periods leads to prohibition of qTE mode guidance, but find it unrealistic to tailor the band structure of the system by magnetizing the metal films. Alternatively, we propose to control polarization states of the guided modes through magnetization.

Paper Details

Date Published: 8 August 2003
PDF: 6 pages
Proc. SPIE 5123, Advanced Optical Devices, Technologies, and Medical Applications, (8 August 2003); doi: 10.1117/12.516996
Show Author Affiliations
Dzmitry Shyroki, Belarusian State Univ. (Belarus)

Published in SPIE Proceedings Vol. 5123:
Advanced Optical Devices, Technologies, and Medical Applications
Janis Spigulis; Janis Teteris; Maris Ozolinsh; Andrejs Lusis, Editor(s)

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