Journal of the Korean Physical Society

pISSN 0374-4884 eISSN 1976-8524


Published online September 15, 2009

Copyright © The Korean Physical Society.

Magneto-optic Study on a Transverse Gyrotropic Grating

MinHyung Cho, Yuehui Lu, YoungPak Lee, JooYull Rhee

J. Korean Phys. Soc. 55(3(2)), 1210 - 1214 (2009)


A two-dimensional scalar Helmholtz equation is derived for atransverse electric mode transverse gyrotropic grating. In theframe of a rigorous coupled-wave analysis, a Bloch-type wavesolution and a Fourier expansion of the dielectric tensors aresubstituted into the Helmholtz equation to obtain a system ofordinary differential equations, and an Airy-likeinternal-reflection series is applied for better convergence. In thederivation, no approximation or estimate has been employed, and itis easy to implement. Finally, the numerical method is tested withvarious parameters.

Keywords: Maxwell's equations, Gratings

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