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 publicationJournal articleAcademic researchpeer-review

17 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 languageEnglish
Article number101903
JournalApplied Physics Letters
Volume101
Issue number10
DOIs
Publication statusPublished - 3 Sep 2012
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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