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

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

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.

Original language	English
Pages (from-to)	8423-8432
Number of pages	10
Journal	Optics Express
Volume	17
Issue number	10
DOIs	https://doi.org/10.1364/OE.17.008423
Publication status	Published - 11 May 2009
Externally published	Yes

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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 - Temnov, Vasily V.

AU - Nelson, Keith

AU - Armelles, Gaspar

AU - Cebollada, Alfonso

AU - Thomay, Tim

AU - Leitenstorfer, Alfred

AU - Bratschitsch, Rudolf

PY - 2009/5/11

Y1 - 2009/5/11

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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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DO - 10.1364/OE.17.008423

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SN - 1094-4087

VL - 17

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EP - 8432

JO - Optics Express

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Femtosecond surface plasmon interferometry

Abstract

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