Photoinduced phase transition in VO2 nanocrystals: Ultrafast control of surface-plasmon resonance

Matteo Rini; Andrea Cavalleri; Robert W. Schoenlein; René López; Leonard C. Feldman; Richard F. Haglund; Lynn A. Boatner; Tony E. Haynes

doi:10.1364/OL.30.000558

Photoinduced phase transition in VO₂ nanocrystals: Ultrafast control of surface-plasmon resonance

Matteo Rini, Andrea Cavalleri, Robert W. Schoenlein, René López, Leonard C. Feldman, Richard F. Haglund, Lynn A. Boatner, Tony E. Haynes

Rutgers University

Research output: Contribution to journal › Article

147 Citations (Scopus)

Abstract

We study the ultrafast insulator-to-metal transition in nanoparticles of VO₂, obtained by ion implantation and self-assembly in silica. The nonmagnetic, strongly correlated compound VO₂ undergoes a reversible phase transition, which can be photoinduced on an ultrafast time scale. In the nanoparticles, prompt formation of the metallic state results in the appearance of surface-plasmon resonance. We achieve large, ultrafast enhancement of optical absorption in the near-infrared spectral region that encompasses the wavelength range for optical-fiber communications. One can further tailor the response of the nanoparticles by controlling their shape.

Original language	English
Pages (from-to)	558-560
Number of pages	3
Journal	Optics Letters
Volume	30
Issue number	5
DOIs	https://doi.org/10.1364/OL.30.000558
Publication status	Published - Mar 1 2005

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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Rini, M., Cavalleri, A., Schoenlein, R. W., López, R., Feldman, L. C., Haglund, R. F., Boatner, L. A., & Haynes, T. E. (2005). Photoinduced phase transition in VO₂ nanocrystals: Ultrafast control of surface-plasmon resonance. Optics Letters, 30(5), 558-560. https://doi.org/10.1364/OL.30.000558

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AU - López, René

AU - Feldman, Leonard C.

AU - Haglund, Richard F.

AU - Boatner, Lynn A.

AU - Haynes, Tony E.

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