Modal dispersion structure of coupled magneto-optical waveguides with respect to photonic bandgap localization

Dzmitry Shyroki

doi:10.1117/12.516996

8 August 2003 Modal dispersion structure of coupled magneto-optical waveguides with respect to photonic bandgap localization

Dzmitry Shyroki

Author Affiliations +

Proceedings Volume 5123, Advanced Optical Devices, Technologies, and Medical Applications; (2003) https://doi.org/10.1117/12.516996
Event: 2003 Chapter books, 2003, Bellingham, WA, United States

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.

Citation Download Citation

Dzmitry Shyroki "Modal dispersion structure of coupled magneto-optical waveguides with respect to photonic bandgap localization", Proc. SPIE 5123, Advanced Optical Devices, Technologies, and Medical Applications, (8 August 2003); https://doi.org/10.1117/12.516996

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