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QUCLN

Quantum control of levitated nanoparticles

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

QUCLN project word cloud

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

sensors regime variety changing appealing goals generating group combination mechanical demonstrated nanoparticles researcher building qucln trapped exploration environment horizon platform optics position record boundary experimental motional implications host scientific vacuum achievable temperatures squeezed levitated mechanics technologies extremely physics gravity game room quantum optical realistic motivation phonon trapping optomechanics combining cooling fock track degrees block underlying observation decupled breakthrough 300 cavity models electrodynamic potentially macroscopic nanoparticle freedom collapse limited fundamental coherent tests proven 2020 ground toward quality

Project "QUCLN" data sheet

The following table provides information about the project.

Coordinator	UNIVERSITY COLLEGE LONDON Organization address address: GOWER STREET city: LONDON postcode: WC1E 6BT website: n.a. 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	United Kingdom [UK]
Total cost	183˙454 €
EC max contribution	183˙454 € (100%)
Programme	1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
Code Call	H2020-MSCA-IF-2016
Funding Scheme	MSCA-IF-EF-ST
Starting year	2017
Duration (year-month-day)	from 2017-05-15 to 2019-05-14

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	UNIVERSITY COLLEGE LONDON UNIVERSITY COLLEGE LONDON Organization address address: GOWER STREET city: LONDON postcode: WC1E 6BT website: n.a. contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	UK (LONDON)	coordinator	183˙454.00

Map

Project objective

Coherent control of a macroscopic quantum system is one of the main objectives of the field of optomechanics with potentially game changing implications for fundamental physics as well as technology. On one side it could allow the exploration of the classical-to-quantum boundary, on the other it could allow the development of quantum limited sensors and provide a fundamental building block for quantum information.

Among the rich variety of systems in the optomechanics field of research, levitated nanoparticles offer the unique and appealing feature of being highly decupled from the environment allowing the observation of extremely high quality factors. Cavity cooling in high vacuum of a trapped nanoparticle down to its motional quantum ground state is potentially achievable at room temperatures. By combining an optical and electrodynamic trapping potential, the Host Group has already demonstrated cooling to a phonon number of the order of ~300 so that ground state cooling is within reach.

The QUCLN project aims to bring the levitated nanoparticle platform in the quantum regime by generating non-classical states for the mechanical degrees of freedom such as squeezed and Fock states. Such results would represent a major breakthrough in the field of optomechanics and quantum technologies in general, which have been included as a Future and Emerging technology in the Horizon 2020 work programme. More importantly, it would represent a significant step toward tests of collapse models and the experimental exploration of the role of gravity in quantum mechanics. Indeed, this is the underlying long term motivation of the project.

The combination of the host group leading position in the field and the proven track record of high level scientific research of the experienced researcher in the fields of quantum optics and optomechanics make achieving the QUCLN scientific goals realistic.

Publications

List of publications.
year	authors and title	journal	last update
2019	A Chowdhury, P Vezio, M Bonaldi, A Borrielli, F Marino, B Morana, G Pandraud, A Pontin, G A Prodi, P M Sarro, E Serra, F Marin Calibrated quantum thermometry in cavity optomechanics published pages: 24007, ISSN: 2058-9565, DOI: 10.1088/2058-9565/ab05f1	Quantum Science and Technology 4/2	2019-10-15
2017	Bullier, N. P.; Pontin, A.; Barker, P. F. Millikelvin cooling of the center-of-mass motion of a levitated nanoparticle published pages: , ISSN: , DOI:	In: Optical Trapping and Optical Micromanipulation XIV. SPIE: San Diego, CA, USA. (2017) 2	2019-10-15
2018	A. Pontin, J.â€‰E. Lang, A. Chowdhury, P. Vezio, F. Marino, B. Morana, E. Serra, F. Marin, T.â€‰S. Monteiro Imaging Correlations in Heterodyne Spectra for Quantum Displacement Sensing published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.120.020503	Physical Review Letters 120/2	2019-10-15
2017	Antonio Pontin, Lauren S Mourounas, Andrew Geraci, Peter F Barker Levitated optomechanics with a fiber Fabry-Perot interferometer published pages: , ISSN: 1367-2630, DOI: 10.1088/1367-2630/aaa71c	New Journal of Physics	2019-10-15

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