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Phononic Waveguide-based Platforms for Quantum Technologies

Total Cost €


EC-Contrib. €






 PWAQUTEC project word cloud

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

functionalities    elastic    polarization    emitters    engineer    spin    hybrid    direction    correlations    protocols    rules    experimentally    computer    unattained    platforms    designs    nodes    light    flow    counterpart    orbit    waveguides    incorporate    signal    bulksurface    emitter    demonstrating    technologies    lies    continuous    phonons    full    modes    phononic    appealing    form    effiency    efforts    realistic    photonic    quantum    combination    isolator    transistors    possibly    heat    elastodynamics    photon    wqld    chiral    fundamental    preferential    arising    diodes    obtaining    lacking    networks    miniaturized    forefront    dissipative    operations    first    worldwide    enlarged    quanta    theory    setups    coupling    couplings    chirality    longitudinal    computing    network    platform    engineering    investment    waveguide    media    crystal    vibrations    phonon    realm    ideas    space    optimized    optomechanical    connectors    last    nonreciprocal    discrete    phenomenology   

Project "PWAQUTEC" data sheet

The following table provides information about the project.


Organization address
city: WIEN
postcode: 1010

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 Austria [AT]
 Total cost 178˙156 €
 EC max contribution 178˙156 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2017
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2018
 Duration (year-month-day) from 2018-04-01   to  2020-03-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

The implementation of technologies based on the rules of the quantum realm lies at the forefront of worldwide research and investment efforts. A particularly appealing application is the design of an advanced computer where quantum nodes and connectors form a miniaturized processing network. So far, many designs have been proposed based on light or other systems, but not so far on the quanta of vibrations (phonons). In this project I will go beyond discrete phonon-photon (optomechanical) quantum systems into studying a full platform based on optimized phonon emitters in combination with continuous phononic media (i.e. waveguides), for whose a fundamental understanding at the quantum level is lacking. I aim at exploiting the richer phenomenology arising for elastic phonons (e.g. longitudinal polarization states, or hybrid bulksurface modes) to increase the effiency of protocols and devices beyond their photonic counterpart, possibly obtaining yet unattained functionalities. In the first part of this project I will develop a quantum theory of these Waveguide Elastodynamics (WQLD) platforms focusing on experimentally realistic setups. I will also incorporate the concept of phononic crystal and phononic chirality (spin-orbit coupling), and bring both these ideas to the quantum level. This will set up an enlarged parameter space for WQLD. In the second part of this project I will study simple quantum protocols, including operations on various phononic states and dissipative engineering of quantum correlations between phononic quantum emitters. Finally, in the last part I will focus on particular applications: first I will use nonreciprocal (chiral) waveguide-emitter couplings to engineer a heat isolator, which allows heat to flow along one preferential direction. Second, I will implement phononic devices for signal distribution in computing networks (e.g. diodes and transistors). My work aims at demonstrating the potential of WQLD platforms for quantum technologies.


year authors and title journal last update
List of publications.
2020 Carlos Gonzalez-Ballestero, Jan Gieseler, Oriol Romero-Isart
Quantum Acoustomechanics with a Micromagnet
published pages: https://dx.doi.o, ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.124.093602
Physical Review Letters 124/9 2020-04-15
2018 A. E. Rubio López, C. Gonzalez-Ballestero, O. Romero-Isart
Internal quantum dynamics of a nanoparticle in a thermal electromagnetic field: A minimal model
published pages: 155405, ISSN: 2469-9950, DOI: 10.1103/PhysRevB.98.155405
Physical Review B 98/15 2020-04-15
2019 Dominik Windey, Carlos Gonzalez-Ballestero, Patrick Maurer, Lukas Novotny, Oriol Romero-Isart, René Reimann
Cavity-Based 3D Cooling of a Levitated Nanoparticle via Coherent Scattering
published pages: 123601, ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.122.123601
Physical Review Letters 122/12 2020-04-15
2019 C. Gonzalez-Ballestero, P. Maurer, D. Windey, L. Novotny, R. Reimann, O. Romero-Isart
Theory for cavity cooling of levitated nanoparticles via coherent scattering: Master equation approach
published pages: , ISSN: 2469-9926, DOI: 10.1103/physreva.100.013805
Physical Review A 100/1 2020-04-15

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

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