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Quantum Plasmomechanics with THz Phonons and Molecular Nano-junctions

Quantum Plasmomechanics with THz Phonons and Molecular Nano-junctions

Objective

QTONE aims at discovering new quantum phenomena involving THz vibrational modes, and at gaining control over them using novel concepts inspired from cavity quantum optomechanics and new techniques developed for nano-plasmonics and molecular break-junctions. The three main goals of the project are:

(i) Perform optomechanical quantum information processing with THz phonons in low-dimensional systems, using a combination of ultrafast spectroscopy and time-correlated photon counting to measure quantum correlations mediated by non-classical vibrational states.

(ii) Demonstrate the feasibility of dynamical backaction amplification of THz phonons by coupling molecules and nanomaterials to plasmonic cavities and by leveraging exciton-phonon coupling to realize exciton-assisted optomechanics.

(iii) Interrogate and drive a single-molecule inside a plasmonic nanocavity using simultaneous inelastic electron tunneling and Raman spectroscopies in a molecular break-junction with engineered plasmonic resonance.

I anticipate that this project will have widespread impacts on our understanding of quantum phenomena in molecular-scale oscillators, and will foster the excellence of Europe in fields ranging from fundamental science to quantum technologies and molecular electronics.

Host institution

ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE

Address

Batiment Ce 3316 Station 1
1015 Lausanne

Switzerland

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 2 437 500

Beneficiaries (1)

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ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE

Switzerland

EU Contribution

€ 2 437 500

Project information

Grant agreement ID: 820196

Status

Grant agreement signed

  • Start date

    1 August 2019

  • End date

    31 July 2024

Funded under:

H2020-EU.1.1.

  • Overall budget:

    € 2 437 500

  • EU contribution

    € 2 437 500

Hosted by:

ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE

Switzerland