Abstract

In this Letter, we report a phenomenon of large in-plane-photonic-spin-splitting (IPPSS) in the case of a linear polarized Gaussian light beam reflected from an air-glass interface at the Brewster angle. The IPPSS-induced displacement reaches $\sim 12.4\mathrm{\mu m}$, which is quite larger than the previously reported value. Particularly, the IPPSS is extremely sensitive ($\sim 70\mathrm{\mu m}/\mathrm{deg}$) to the incident polarization. We also find that the direction of the spin accumulation can be switched by adjusting the incident polarization slightly. These findings may have useful applications in spin manipulation and precise polarization metrology.

© 2015 Optical Society of America

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