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PHONONIC CIRCUITS WITH NONLINEAR NANOMECHANICAL OSCILLATORS

Project description

Experimental demonstration of lossless phononic integrated circuits

Phononic integrated circuits (PnICs) use phonons, quantised units of mechanical vibrations, to carry and process information. As with information carriers like electrons or photons, efficient and robust information propagation requires minimisation of propagation losses. While lossless propagation is theoretically possible as predicted by the Fermi-Pasta-Ulam-Tsingou recurrence (FPUT-R), it has not yet been demonstrated experimentally. With the support of the Marie Skłodowska-Curie Actions programme, the PIONEER project aims to address technical challenges by designing, constructing and testing FPUT-R in PnICs using cutting-edge nonlinear nanomechanical oscillators. The results could support phononic and photonic integrated energy-efficient smart edge devices for Europe’s digital and green ICT sector in areas including optical data processing and quantum technologies.

Objective

Phononic integrated circuits (PnICs) have significant potential in information and communication technology (ICT), with a key challenge being the reduction of phonon transmission losses. Energy or information propagation without losses, as predicted by the Fermi-Pasta-Ulam-Tsingou Recurrence (FPUT-R), has not yet been experimentally demonstrated in nanomechanical oscillators due to three key challenges: the dominance of linear interactions in PnICs, sensitivity to dissipation, and the difficulty of measuring small displacements necessary for FPUT-R analysis. To address these challenges, PIONEER will leverage recent advancements in nonlinear phononic resonators and nanophononic crystal structures. Building on the applicant’s theoretical predictions and the cutting-edge nanotechnology available at the host institution, PIONEER will design, construct, and test FPUT-R in phononic circuits using nonlinear nanomechanical oscillators. The project is driven by the EU's urgent need to reduce energy consumption in ICT and nanoelectronics for energy-efficient smart edge devices, while also aligning with the goals of shaping Europe’s Digital Future. PIONEER represents an extraordinary training opportunity on complementary scientific and soft skills for the applicant and has the potential to enable phononic and photonic integrated energy-efficient smart edge devices for optical data processing, quantum technologies, and Shaping Europe’s digital future and beyond.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2024-PF-01

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Coordinator

INTERNATIONAL IBERIAN NANOTECHNOLOGY LABORATORY
Net EU contribution
€ 207 183,12
Address
AVENIDA MESTRE JOSE VEIGA
4715-330 Braga
Portugal
Region
Continente Norte Cávado
Activity type
Research Organisations
Links
Total cost
No data

Partners (2)