Controlling the Goos-Hänchen shift with external electric and magnetic fields in an electro-optic/magneto-electric heterostructure

We present a theoretical investigation of the Goos-Hänchen effect upon light reflection from a heterostructure consisting of an electro-optic film deposited on a magneto-electric film grown on a nonmagnetic dielectric substrate. It is shown that the linear magneto-electric interaction leads to an in...

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Bibliographic Details
Published in:Journal of applied physics 2016-05, Vol.119 (20)
Main Authors: Dadoenkova, Yu. S., Bentivegna, F. F. L., Dadoenkova, N. N., Petrov, R. V., Lyubchanskii, I. L., Bichurin, M. I.
Format: Article
Language:English
Subjects:
Applied physics
Electric fields
Heterostructures
Incidence angle
Light reflection
Magnetic fields
Optics
Physics
Substrates
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Summary:We present a theoretical investigation of the Goos-Hänchen effect upon light reflection from a heterostructure consisting of an electro-optic film deposited on a magneto-electric film grown on a nonmagnetic dielectric substrate. It is shown that the linear magneto-electric interaction leads to an increase of the lateral shift even in the absence of any applied electric field. The presence of the electro-optic layer enables the control of the Goos-Hänchen shift and of the position of its maximum (with respect to the angle of incidence) through a variation of the magnitude and orientation of an applied electric field. It is also demonstrated that applying an external magnetic field in order to reverse the magnetization in the magnetic layer results (under the influence of the magneto-electric interaction in the system) in a sign reversal of the lateral shift but a nonreciprocal change of its amplitude.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.4951717