Upconversion amplification through dielectric superlensing modulation

Liangliang Liang, Daniel B.L. Teh, Ngoc Duy Dinh, Weiqiang Chen, Qiushui Chen, Yiming Wu, Srikanta Chowdhury, Akihiro Yamanaka, Tze Chien Sum, Chia Hung Chen, Nitish V Thakor, Angelo Homayoun All, Xiaogang Liu

Research output: Contribution to journalArticle

Abstract

Achieving efficient photon upconversion under low irradiance is not only a fundamental challenge but also central to numerous advanced applications spanning from photovoltaics to biophotonics. However, to date, almost all approaches for upconversion luminescence intensification require stringent controls over numerous factors such as composition and size of nanophosphors. Here, we report the utilization of dielectric microbeads to significantly enhance the photon upconversion processes in lanthanide-doped nanocrystals. By modulating the wavefront of both excitation and emission fields through dielectric superlensing effects, luminescence amplification up to 5 orders of magnitude can be achieved. This design delineates a general strategy to converge a low-power incident light beam into a photonic hotspot of high field intensity, while simultaneously enabling collimation of highly divergent emission for far-field accumulation. The dielectric superlensing-mediated strategy may provide a major step forward in facilitating photon upconversion processes toward practical applications in the fields of photobiology, energy conversion, and optogenetics.

Original languageEnglish (US)
Article number1391
JournalNature communications
Volume10
Issue number1
DOIs
StatePublished - Dec 1 2019

Fingerprint

Photons
Amplification
Modulation
Luminescence
modulation
photons
Photobiology
Optogenetics
Optics and Photonics
luminescence
Lanthanoid Series Elements
energy conversion
collimation
Wavefronts
Microspheres
Energy conversion
irradiance
light beams
Field emission
Nanoparticles

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Liang, L., Teh, D. B. L., Dinh, N. D., Chen, W., Chen, Q., Wu, Y., ... Liu, X. (2019). Upconversion amplification through dielectric superlensing modulation. Nature communications, 10(1), [1391]. https://doi.org/10.1038/s41467-019-09345-0

Upconversion amplification through dielectric superlensing modulation. / Liang, Liangliang; Teh, Daniel B.L.; Dinh, Ngoc Duy; Chen, Weiqiang; Chen, Qiushui; Wu, Yiming; Chowdhury, Srikanta; Yamanaka, Akihiro; Sum, Tze Chien; Chen, Chia Hung; Thakor, Nitish V; All, Angelo Homayoun; Liu, Xiaogang.

In: Nature communications, Vol. 10, No. 1, 1391, 01.12.2019.

Research output: Contribution to journalArticle

Liang, L, Teh, DBL, Dinh, ND, Chen, W, Chen, Q, Wu, Y, Chowdhury, S, Yamanaka, A, Sum, TC, Chen, CH, Thakor, NV, All, AH & Liu, X 2019, 'Upconversion amplification through dielectric superlensing modulation', Nature communications, vol. 10, no. 1, 1391. https://doi.org/10.1038/s41467-019-09345-0
Liang, Liangliang ; Teh, Daniel B.L. ; Dinh, Ngoc Duy ; Chen, Weiqiang ; Chen, Qiushui ; Wu, Yiming ; Chowdhury, Srikanta ; Yamanaka, Akihiro ; Sum, Tze Chien ; Chen, Chia Hung ; Thakor, Nitish V ; All, Angelo Homayoun ; Liu, Xiaogang. / Upconversion amplification through dielectric superlensing modulation. In: Nature communications. 2019 ; Vol. 10, No. 1.
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