Experimental Probing of Canonical Electromagnetic Spin Angular Momentum Distribution via Valley-Polarized Photoluminescence

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The canonical formulation of the spin angular momentum (SAM) of light has been suggested recently as an extension of the Abraham-Minkowski controversy. However, experimental substantiations of the canonical SAM for localized fields have not been reported yet. We directly probe the locally distributed canonical SAM tailored by a plasmonic nanostructure via the valley-polarized photoluminescence of the multilayer WS2. The spectrum-resolved measurement details the spin-selective Raman scattering and exciton emission beyond the conventional manner of employing circularly polarized paraxial waves.
Publisher
AMER PHYSICAL SOC
Issue Date
2021-11
Language
English
Article Type
Article
Citation

PHYSICAL REVIEW LETTERS, v.127, no.22, pp.233601

ISSN
0031-9007
DOI
10.1103/PhysRevLett.127.223601
URI
http://hdl.handle.net/10203/289509
Appears in Collection
PH-Journal Papers(저널논문)
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