Polarization-controlled upconversion emission enhancement. (IMAGE)

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS

Polarization-controlled upconversion emission enhancement.

Caption

a) Schematic presentation of a resonant metasurface with high-Q quasi-BIC and Mie resonant modes. b) The evolution of reflection spectra by continuously varying the geometry asymmetry parameter δ under y- and x- linearly polarized illumination. c) Upconversion luminescence spectra from UCNPs deposited on the metasurface and glass substrate.

Credit

by Ziwei Feng, Tan Shi, Guangzhou Geng, Junjie Li, Zi-Lan Deng, Yuri Kivshar, and Xiangping Li

Usage Restrictions

Credit must be given to the creator.

License

CC BY

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