Opendata, web and dolomites

PoSHGOAT SIGNED

Potential-dependent Second-Harmonic Generation in Optical Antennas measured Time-resolved

Total Cost €

0

EC-Contrib. €

0

Partnership

0

Views

0

 PoSHGOAT project word cloud

Explore the words cloud of the PoSHGOAT project. It provides you a very rough idea of what is the project "PoSHGOAT" about.

until    harmonic    contacted    tunnelling    gap    narrow    introduce    milling    ion    regime    charge    infrared    electron    nanoparticles    electronics    symmetry    nm    rules    receive    ga    nanometer    efficiency    missing    gaps    optimize    resonance    second    density    ultra    numerical    fine    switching    volumes    light    resonators    evolutionary    energy    oas    he    exhibit    optical    nanoantennas    resolved    surface    free    poshgoat    antennas    concentrating    plasmonic    charges    modulation    wavelength    resonances    size    oa    waves    routing    silicon    photons    ultrafast    coupled    competitive    nonlinear    subsequent    integration    pump    geometries    spectroscopy    novelties    tips    breaking    maximize    background    gather    time    fabrication    efforts    probe    nanoparticle    external    shg    plasmons    nanoscale    electrically    antenna    molecule    asymmetric    procedure    effect    optimization    optics    generation    efficient    emitting    sup3    sized    conventional    metallic    singe    voltage    sensitive    electrons   

Project "PoSHGOAT" data sheet

The following table provides information about the project.

Coordinator
POLITECNICO DI MILANO 

Organization address
address: PIAZZA LEONARDO DA VINCI 32
city: MILANO
postcode: 20133
website: www.polimi.it

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Italy [IT]
 Total cost 137˙604 €
 EC max contribution 137˙604 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2018
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2020
 Duration (year-month-day) from 2020-05-01   to  2021-10-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    POLITECNICO DI MILANO IT (MILANO) coordinator 137˙604.00

Map

 Project objective

Second-harmonic generation (SHG) is a nonlinear optical effect, with promising applications in background-free spectroscopy, ultrafast optical switching, and optical information processing. What is missing is the integration of these effects at the nanoscale, to be sensitive down to the singe molecule level and competitive in size with silicon electronics.

Metallic nanoparticles, called optical antennas (OAs), show resonances in the infrared and optical wavelength regime. They exhibit plasmons, coupled states of photons and electron density waves, which allow concentrating light much better than conventional optics, down to 10 nm³. OAs enable SHG in nanometer-sized volumes, but until now only with low efficiency. This is due to the complex task of: (i) a resonance to receive light with wavelength A, (ii) routing the energy to the OA surface (efficient SHG due to symmetry breaking), (iii) exploiting a second antenna resonance which can gather the SHG at wavelength B=A/2, and finally (iv) emitting the wavelength B to the far field.

In the proposed project PoSHGOAT I will control and optimize SHG in OAs. To this aim, I will introduce four novelties to SHG research:

(1) Fabrication of electrically-contacted nanoantennas with ultra-fine tips (r = 3 nm) and ultra-narrow gaps (g = 3 nm) by a subsequent Ga-ion and He-ion milling procedure. (2) Modulation of the surface charges in metallic nanoparticles by applying an external potential. (3) Time-resolved pump-probe spectroscopy of SHG with an applied voltage, eventually even with induced tunnelling of electrons in a highly asymmetric antenna gap. This will establish ultrafast control over the OA surface charge density and, thus, SHG. (4) Numerical modelling of SHG and evolutionary optimization of nanoparticle geometries to maximize SHG in optical antennas.

All these efforts together will increase our understanding of nonlinear processes in plasmonic resonators, towards novel design rules for nonlinear plasmonic devices.

Are you the coordinator (or a participant) of this project? Plaese send me more information about the "POSHGOAT" project.

For instance: the website url (it has not provided by EU-opendata yet), the logo, a more detailed description of the project (in plain text as a rtf file or a word file), some pictures (as picture files, not embedded into any word file), twitter account, linkedin page, etc.

Send me an  email (fabio@fabiodisconzi.com) and I put them in your project's page as son as possible.

Thanks. And then put a link of this page into your project's website.

The information about "POSHGOAT" are provided by the European Opendata Portal: CORDIS opendata.

More projects from the same programme (H2020-EU.1.3.2.)

CoCoNat (2019)

Coordination in constrained and natural distributed systems

Read More  

TOPOCIRCUS (2019)

Simulations of Topological Phases in Superconducting Circuits

Read More  

EVOMET (2019)

The rise and fall of metastatic clones under immune attack

Read More