Janus and Huygens Dipoles: Near-Field Directionality Beyond Spin-Momentum Locking.
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DOI: 10.1103/physrevlett.120.117402
Abstract: Unidirectional scattering from circularly polarized dipoles has been demonstrated in near-field optics, where the quantum spin-Hall effect of light translates into spin-momentum locking. By considering the whole electromagnetic field, instead of its spin component alone,… read more here.
Keywords: field; spin momentum; near field; momentum locking ... See more keywords