2011
DOI: 10.1364/oe.19.023475
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Rashba-like spin degeneracy breaking in coupled thermal antenna lattices

Abstract: Observation of a spin degeneracy breaking in thermal radiation emitted from an inhomogeneous anisotropic lattice composed of coupled antennas supporting surface waves is presented. The spin degeneracy removal is manifested by a spin-dependent momentum splitting of the radiative mode which resembles the Rashba effect. The spin split dispersion arises from the inversion asymmetry of the lattice. Our experiment confirms that the spatial rate of the inhomogeneity determines the degree of the spin- dependent moment… Show more

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Cited by 24 publications
(15 citation statements)
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“…This concept has inspired a series of experiments in plasmonics, where circularly polarized light was coupled to surface plasmon polaritons, on a metasurface with broken inversion symmetry [15,16]. These intriguing experiments show how opposite circular polarizations of light couple to plasmonic modes with opposite group velocity and Rashba-like band structures.…”
mentioning
confidence: 99%
“…This concept has inspired a series of experiments in plasmonics, where circularly polarized light was coupled to surface plasmon polaritons, on a metasurface with broken inversion symmetry [15,16]. These intriguing experiments show how opposite circular polarizations of light couple to plasmonic modes with opposite group velocity and Rashba-like band structures.…”
mentioning
confidence: 99%
“…The spin of photons can provide an additional degree of freedom in nanoscale photonics leading to a new branch in optics -Spinoptics 11,12 .…”
Section: Resultsmentioning
confidence: 99%
“…For example, spinsymmetry breaking in thermal radiation can be achieved by introducing local anisotropy in the alignment of nanorod plasmonic antennas on a planar substrate ( Fig. 17 f,g) [260,288,266].…”
Section: Surface Plasmon-enhanced Partially-coherent Thermal Emissionmentioning
confidence: 99%