Ultrafast photoinduced changes of eigenfunctions of localized plasmon modes in gold nanorods

Kohei Imura; Hiromi Okamoto

doi:10.1103/PhysRevB.77.041401

Ultrafast photoinduced changes of eigenfunctions of localized plasmon modes in gold nanorods

Kohei Imura, Hiromi Okamoto^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

Ultrafast transient responses in single gold nanorods are visualized in real space by femtosecond pump-probe measurements using a near-field optical microscope. The observed transient images show characteristic features, and the features are strongly dependent on the size of the rod. It is revealed that the features arise from changes in the plasmon-mode wave function upon elevation of the electronic temperature of the nanorod induced by photoexcitation.

Original language	English
Article number	041401
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	77
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevB.77.041401
Publication status	Published - 2008 Jan 2
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.77.041401

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abstract = "Ultrafast transient responses in single gold nanorods are visualized in real space by femtosecond pump-probe measurements using a near-field optical microscope. The observed transient images show characteristic features, and the features are strongly dependent on the size of the rod. It is revealed that the features arise from changes in the plasmon-mode wave function upon elevation of the electronic temperature of the nanorod induced by photoexcitation.",

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AB - Ultrafast transient responses in single gold nanorods are visualized in real space by femtosecond pump-probe measurements using a near-field optical microscope. The observed transient images show characteristic features, and the features are strongly dependent on the size of the rod. It is revealed that the features arise from changes in the plasmon-mode wave function upon elevation of the electronic temperature of the nanorod induced by photoexcitation.

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Ultrafast photoinduced changes of eigenfunctions of localized plasmon modes in gold nanorods

Abstract

ASJC Scopus subject areas

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