Abstract
In this paper, an experimental method of magneto-optical spin Hall effect of light (MOSHEL) based on thermo-optical control is designed. First, we design and implement a pilot experiment—the SHEL experiment controlled by thermo-optical. According to the experiment, it is concluded that the increase of the temperature of the thermo-optical medium will have an important influence on the corresponding thermo-optical spin Hall effect of light (TOSHEL). Accordingly, we designed a device that controls the SHEL in magneto-optical-thermo-optical (MO-TO) two-dimension that uses the thermo-optical effect to simultaneously control the intrinsic TOSHEL and MOSHEL.
Highlights
In 2004, Onoda of AIST, Japan, for the first time, clearly proposed the photonic spin Hall effect: when a beam of linearly polarized light propagates in a non-uniform medium, photons with opposite spins move along the direction perpendicular to the refractive index gradient [1]
According to the different magnetization directions, the magneto-optical spin Hall effect of light (MOSHEL) can be divided into three situations: LMOKE, PMOKE, and TMOKE [22]
Longitudinal magneto-optical spin Hall effect, the magnetization direction is parallel to the incident surface and the surface of the magneto-optical medium at the same time, the pole magneto-optical spin Hall effect, the magnetization direction is parallel to the incident surface and perpendicular to the surface of the magneto-optical medium
Summary
In 2004, Onoda of AIST, Japan, for the first time, clearly proposed the photonic spin Hall effect: when a beam of linearly polarized light propagates in a non-uniform medium, photons with opposite spins move along the direction perpendicular to the refractive index gradient [1]. Since the spin Hall effect of light (SHEL) was proposed, it has received extensive attention from researchers. Transverse magneto-optical optical spin Hall effect, the magneto-optical direction is perpendicular to the incident surface and the surface of the magneto-optical medium at the same time. If an electromagnet is used as a magnetic field source, its magnetic field strength can be effectively controlled by adjusting the magnitude of the input current, and even a multi-dimensional adjustment of the direction of the magnetic field can be achieved through a precisely designed electromagnet. We hope to effectively regulate the MOSHEL in a new way—the thermo-optical effect
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