Metasurface-Controlled Photonic Rashba Effect for Upconversion Photoluminescence.

Publisher:
AMER CHEMICAL SOC
Publication Type:
Journal Article
Citation:
Nano Lett, 2023, 23, (6), pp. 2228-2232
Issue Date:
2023-03-22
Full metadata record
We demonstrate the effect of spin-momentum locking of upconversion photoluminescence emitted from rare-earth doped nanocrystals coupled to a phase-gradient dielectric metasurface. We observe different directionalities for left and right circular polarized light and associate this experimental observation with the photonic Rashba effect realized for upconverted photoluminescence that is manifested in the spin-dependent splitting of emitted light in the momentum space.
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