THZ-PLASMON

Ultra-fast control of THz plasmon polariton resonances

Coordinatore	STICHTING VOOR FUNDAMENTEEL ONDERZOEK DER MATERIE - FOM    more Spiacenti, non ci sono informazioni su questo coordinatore. Contattare Fabio per maggiori infomrazioni, grazie.
Nazionalità Coordinatore	Netherlands [NL]
Totale costo	1˙492˙800 €
EC contributo	1˙492˙800 €
Programma	FP7-IDEAS-ERC Specific programme: "Ideas" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	ERC-2010-StG_20091028
Funding Scheme	ERC-SG
Anno di inizio	2011
Periodo (anno-mese-giorno)	2011-06-01   -   2016-05-31

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	STICHTING VOOR FUNDAMENTEEL ONDERZOEK DER MATERIE - FOM  Organization address address: Van Vollenhovenlaan 659 city: UTRECHT postcode: 3527 JP contact info Titolo: Dr. Nome: Jaime Cognome: Gómez Rivas Email: send email Telefono: 31207547100 Fax: 31207547290	NL (UTRECHT)	hostInstitution	1˙492˙800.00
2	STICHTING VOOR FUNDAMENTEEL ONDERZOEK DER MATERIE - FOM  Organization address address: Van Vollenhovenlaan 659 city: UTRECHT postcode: 3527 JP contact info Titolo: Mr. Nome: Wim Cognome: Koppers Email: send email Telefono: +31 40 3334999	NL (UTRECHT)	hostInstitution	1˙492˙800.00

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 Obiettivo del progetto (Objective)

'Active control of the optical properties of materials represents one of the most fundamental aspects of photonics. It is crucial to deepen our understanding on light-matter interactions, and for the development of novel technologies. Of special importance is the interaction of light with metal surfaces, leading to surface plasmon polaritons (SPPs). SPPs can give rise to giant local field enhancements in subwavelength volumes. Thanks to recent developments in plasmonics, electromagnetic fields can nowadays be controlled in subwavelength volumes and on ultra-fast time scales. However, research has been limited to optical and near-IR frequencies. The lack of studies at lower frequencies originates from the weak confinement of SPPs at these frequencies. Our objective is to overcome these limitations, demonstrating for the first time ultra-fast control in subwavelength dimensions of plasmonic resonances at THz frequencies. In particular, we plan to control localized surface plasmon polaritons (LSPPs), arising from the coherent oscillation of charges in particles. For this purpose, we will fabricate semiconductor particles supporting LSPPs, which will be controlled optically at very low fluences. We will show that the spatial distribution of giant field enhancements can be tuned with unprecedented accuracy by demonstrating its optical switching by several orders of magnitude. Moreover, we will study for the first time the active coupling of plasmonic resonances in periodic arrays of semiconductor particles. These arrays will constitute the plasmonic analogue to phased array antennas. The project will open new horizons in fundamental research, as well as in applications such as THz modulators and sensors.'