Sub-10 nm particle trapping enabled by a plasmonic dark mode

Fajun Xiao, Yuxuan Ren, Wuyun Shang, Weiren Zhu, Lei Han, Hua Lu, Ting Mei, Malin Premaratne, Jianlin Zhao

Research output: Contribution to journalArticleResearchpeer-review

Abstract

We demonstrate that a highly localized plasmonic dark mode with radial symmetry, termed quadrupole-bonded radial breathing mode, can be used for optically trapping the dielectric nanoparticles. In particular, the annular potential well produced by this dark mode shows a sufficiently large depth to stably trap the 5 nm particles under a relatively low optical power. Our results address the quest for precisely trapping sub-10 nm particles with high yield and pave the way for placing sub-10 nm particles conforming to a specific geometric pattern.

Original languageEnglish
Pages (from-to)3413-3416
Number of pages4
JournalOptics Letters
Volume43
Issue number14
DOIs
Publication statusPublished - 15 Jul 2018

Cite this

Xiao, F., Ren, Y., Shang, W., Zhu, W., Han, L., Lu, H., ... Zhao, J. (2018). Sub-10 nm particle trapping enabled by a plasmonic dark mode. Optics Letters, 43(14), 3413-3416. https://doi.org/10.1364/OL.43.003413
Xiao, Fajun ; Ren, Yuxuan ; Shang, Wuyun ; Zhu, Weiren ; Han, Lei ; Lu, Hua ; Mei, Ting ; Premaratne, Malin ; Zhao, Jianlin. / Sub-10 nm particle trapping enabled by a plasmonic dark mode. In: Optics Letters. 2018 ; Vol. 43, No. 14. pp. 3413-3416.
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Xiao, F, Ren, Y, Shang, W, Zhu, W, Han, L, Lu, H, Mei, T, Premaratne, M & Zhao, J 2018, 'Sub-10 nm particle trapping enabled by a plasmonic dark mode' Optics Letters, vol. 43, no. 14, pp. 3413-3416. https://doi.org/10.1364/OL.43.003413

Sub-10 nm particle trapping enabled by a plasmonic dark mode. / Xiao, Fajun; Ren, Yuxuan; Shang, Wuyun; Zhu, Weiren; Han, Lei; Lu, Hua; Mei, Ting; Premaratne, Malin; Zhao, Jianlin.

In: Optics Letters, Vol. 43, No. 14, 15.07.2018, p. 3413-3416.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Ren, Yuxuan

AU - Shang, Wuyun

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AU - Lu, Hua

AU - Mei, Ting

AU - Premaratne, Malin

AU - Zhao, Jianlin

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AB - We demonstrate that a highly localized plasmonic dark mode with radial symmetry, termed quadrupole-bonded radial breathing mode, can be used for optically trapping the dielectric nanoparticles. In particular, the annular potential well produced by this dark mode shows a sufficiently large depth to stably trap the 5 nm particles under a relatively low optical power. Our results address the quest for precisely trapping sub-10 nm particles with high yield and pave the way for placing sub-10 nm particles conforming to a specific geometric pattern.

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Xiao F, Ren Y, Shang W, Zhu W, Han L, Lu H et al. Sub-10 nm particle trapping enabled by a plasmonic dark mode. Optics Letters. 2018 Jul 15;43(14):3413-3416. https://doi.org/10.1364/OL.43.003413