Integrating temporal and spatial control of electronic transitions for bright multiphoton upconversion

Tianying Sun, Yuhua Li, Wai Lok Ho, Qi Zhu, Xian Chen, Limin Jin, Haomiao Zhu, Bolong Huang, Jun Lin, Brent E. Little, Sai Tak Chu () and Feng Wang ()
Additional contact information
Tianying Sun: City University of Hong Kong
Yuhua Li: City University of Hong Kong
Wai Lok Ho: City University of Hong Kong
Qi Zhu: City University of Hong Kong
Xian Chen: City University of Hong Kong
Limin Jin: Harbin Institute of Technology
Haomiao Zhu: Chinese Academy of Sciences
Bolong Huang: The Hong Kong Polytechnic University
Jun Lin: Chinese Academy of Sciences
Brent E. Little: Chinese Academy of Sciences
Sai Tak Chu: City University of Hong Kong
Feng Wang: City University of Hong Kong

Nature Communications, 2019, vol. 10, issue 1, 1-7

Abstract: Abstract The applications of lanthanide-doped upconversion nanomaterials are limited by unsatisfactory brightness currently. Herein, a general strategy is proposed for boosting the upconversion efficiency in Er3+ ions, based on combined use of a core−shell nanostructured host and an integrated optical waveguide circuit excitation platform. A NaErF4@NaYF4 core−shell nanoparticle is constructed to host the upconversion process for minimizing non-radiative dissipation of excitation energy by surface quenchers. Furthermore, an integrated optical microring resonator is designed to promote absorption of excitation light by the nanoparticles, which alleviates quenching of excited states due to cross-relaxation and phonon-assisted energy transfer. As a result, multiphoton upconversion emission with a large anti-Stokes shift (greater than 1150 nm) and a high energy conversion efficiency (over 5.0%) is achieved under excitation at 1550 nm. These advances in controlling photon upconversion offer exciting opportunities for important photonics applications.

Date: 2019
References: Add references at CitEc
Citations: View citations in EconPapers (2)

Downloads: (external link)
https://www.nature.com/articles/s41467-019-09850-2 Abstract (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-09850-2

Ordering information: This journal article can be ordered from
https://www.nature.com/ncomms/

DOI: 10.1038/s41467-019-09850-2

Access Statistics for this article

Nature Communications is currently edited by Nathalie Le Bot, Enda Bergin and Fiona Gillespie

More articles in Nature Communications from Nature
Bibliographic data for series maintained by Sonal Shukla () and Springer Nature Abstracting and Indexing ().