Femtosecond surface plasmon interferometry

Vasily V. Temnov; Keith Nelson; Gaspar Armelles; Alfonso Cebollada; Tim Thomay; Alfred Leitenstorfer; Rudolf Bratschitsch

doi:10.1364/OE.17.008423

Femtosecond surface plasmon interferometry

Vasily V. Temnov
, Keith Nelson
, Gaspar Armelles
, Alfonso Cebollada
, Tim Thomay
, Alfred Leitenstorfer
, Rudolf Bratschitsch

Massachusetts Institute of Technology
IMM-CNM-CSIC
University of Konstanz

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

Résumé

We demonstrate femtosecond plasmonic interferometry with a novel geometry. The plasmonic microinterferometer consists of a tilted slit-groove pair. This arrangement allows for (i) interferometric measurements at a single wavelength with a single microinterferome-ter and (ii) unambiguous discrimination between changes in real and imaginary parts of the metal dielectric function. The performance is demonstrated by monitoring the sub-picosecond dynamics of hot electrons in gold.

langue originale	Anglais
Pages (de - à)	8423-8432
Nombre de pages	10
journal	Optics Express
Volume	17
Numéro de publication	10
Les DOIs	https://doi.org/10.1364/OE.17.008423
état	Publié - 11 mai 2009
Modification externe	Oui

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10.1364/OE.17.008423

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title = "Femtosecond surface plasmon interferometry",

abstract = "We demonstrate femtosecond plasmonic interferometry with a novel geometry. The plasmonic microinterferometer consists of a tilted slit-groove pair. This arrangement allows for (i) interferometric measurements at a single wavelength with a single microinterferome-ter and (ii) unambiguous discrimination between changes in real and imaginary parts of the metal dielectric function. The performance is demonstrated by monitoring the sub-picosecond dynamics of hot electrons in gold.",

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AU - Armelles, Gaspar

AU - Cebollada, Alfonso

AU - Thomay, Tim

AU - Leitenstorfer, Alfred

AU - Bratschitsch, Rudolf

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AB - We demonstrate femtosecond plasmonic interferometry with a novel geometry. The plasmonic microinterferometer consists of a tilted slit-groove pair. This arrangement allows for (i) interferometric measurements at a single wavelength with a single microinterferome-ter and (ii) unambiguous discrimination between changes in real and imaginary parts of the metal dielectric function. The performance is demonstrated by monitoring the sub-picosecond dynamics of hot electrons in gold.

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Femtosecond surface plasmon interferometry

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