Magnetic Spin-Locking of Light
Résumé
We show the directional excitation of Bloch surface waves controlled by the optical magnetic field, thus demonstrating the first magnetic spin-orbit interaction of light. Because it solely relies on the helicity of the optical magnetic field, this magnetic effect appears to be nonnegligible even with a non-resonant dielectric scatterer (electric dipole) used as a Bloch surface wave coupler. Magnetic spin-locking opens new degrees of freedom in the manipulation and detection of light.
Domaines
Optique [physics.optics]
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