Tailoring of Effective Refractive Indices: A New Paradigm towards Ultralow Excitation Power of Upconversion Nanoparticles

Hung-I Lin,Kanchan Yadav,Ting-Jia Chang,Monika Kataria,Mikhail Y. Shalaginov,Kun-Ching Shen,Chun-Che Wang,Yit-Tsong Chen,Yang-Fang Chen

Tailoring of Effective Refractive Indices: A New Paradigm towards Ultralow Excitation Power of Upconversion Nanoparticles

2020

Hung-I Lin
Kanchan Yadav
Ting-Jia Chang
Monika Kataria
Mikhail Y. Shalaginov
Kun-Ching Shen
Chun-Che Wang
Yit-Tsong Chen
Yang-Fang Chen

The integration of core-multishell nanostructure with upconversion nanoparticles achieve the ultralow pumping power density of 0.7 W cm2 by continuous-wave infrared laser due to the formation of whispering gallery modes with diverse effective refractive indices.

Keywords:

Refractive index
Excitation
Optoelectronics
upconversion nanoparticles
Materials science

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