Selectively probing vibrations in a plasmonic supracrystal

Pierre Adrien Mante; Hung Ying Chen; Meng Hsien Lin; Yu Chieh Wen; Shangjr Gwo; Chi Kuang Sun

doi:10.1063/1.4750140

Selectively probing vibrations in a plasmonic supracrystal

Pierre Adrien Mante, Hung Ying Chen, Meng Hsien Lin, Yu Chieh Wen, Shangjr Gwo, Chi Kuang Sun

Research output: Journal article publication › Journal article › Academic research › peer-review

18 Citations (Scopus)

Abstract

The coupling of plasmonic resonances with the multiple phonon modes of a plasmonic supracrystal is studied. Ultrafast optical pump-probe spectroscopy with variable wavelength allows the selective detection of the breathing mode, the interparticle vibrations, and the vibration of the whole structure. Thanks to this selectivity, the characterization of the bonding strength between nanoparticles in different directions of the supracrystal is possible. The observation of these vibrations could be useful for the realization of future phonon modulated photonic and plasmonic devices.

Original language	English
Article number	101903
Journal	Applied Physics Letters
Volume	101
Issue number	10
DOIs	https://doi.org/10.1063/1.4750140
Publication status	Published - 3 Sept 2012
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.4750140

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AU - Mante, Pierre Adrien

AU - Chen, Hung Ying

AU - Lin, Meng Hsien

AU - Wen, Yu Chieh

AU - Gwo, Shangjr

AU - Sun, Chi Kuang

PY - 2012/9/3

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AB - The coupling of plasmonic resonances with the multiple phonon modes of a plasmonic supracrystal is studied. Ultrafast optical pump-probe spectroscopy with variable wavelength allows the selective detection of the breathing mode, the interparticle vibrations, and the vibration of the whole structure. Thanks to this selectivity, the characterization of the bonding strength between nanoparticles in different directions of the supracrystal is possible. The observation of these vibrations could be useful for the realization of future phonon modulated photonic and plasmonic devices.

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DO - 10.1063/1.4750140

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Selectively probing vibrations in a plasmonic supracrystal

Abstract

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