Opendata, web and dolomites


Single-Emitter Quantum Optics and Optomechanics

Total Cost €


EC-Contrib. €






 SEQOO project word cloud

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

realizes    optomechanical    containing    omc    consists    preparation    defect    crystal    phonons    harnessing    hybrid    host    material    structure    phononic    position    connecting    color    opens    quantum    combine    nanodiamond    vacancy    fibres    potentially    objects    co    gradient    electronic    realize    concerted    strengths    levitated    tespi    first    nvs    prof    photons    technologies    distances    candidates    dr    nv    networks    telecommunications    additionally    realizations    interconnects    mikhail    themselves    center    jan    romain    centers    nitrogen    ideal    explore    spins    mechanical    advantages    influenced    cooling    diamond    thereby    small    forces    photon    renders    extremely    nanoresonator    macroscopic    store    spin    toward    separate    gieseler    variety    icfo    nanomechanical    harvard    lukin    natural    transmission    formed    routes    magnetic    optical    physical    energy    photonic    modes    scol    resonator    band    interface    spi    phenomena    coupled    dependent    oscillators    university    seqoo    myself    carriers    effort    localized    quidant   

Project "SEQOO" data sheet

The following table provides information about the project.


Organization address
city: Castelldefels
postcode: 8860

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 Spain [ES]
 Project website
 Total cost 257˙191 €
 EC max contribution 257˙191 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-GF
 Starting year 2016
 Duration (year-month-day) from 2016-04-01   to  2020-03-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    FUNDACIO INSTITUT DE CIENCIES FOTONIQUES ES (Castelldefels) coordinator 257˙191.00


 Project objective

The main goal of SEQOO is to realize hybrid quantum systems based on NV-centers in diamond and nanomechanical oscillators.

Hybrid quantum systems combine two or more physical systems (e.g. spins, photons, phonons), with the goal of harnessing the advantages and strengths of the different systems in order to better explore new phenomena and potentially bring about novel quantum technologies. While spins and phonons are ideal candidates to store quantum information, photons are ideal carriers of quantum information over long distances. Additionally, mechanical systems can be influenced by a wide variety of small forces and, therefore, present themselves as natural interconnects to realize hybrid systems. Here we focus two realizations of hybrid systems based on Nitrogen Vacancy color center in diamond (NV-center) coupled to a mechanical resonator.

The first system consists of an optomechanical crystal (OMC) structure with co-localized photonic and phononic modes, which is formed around the NV defect in the diamond host material. This hybrid system realizes a Spin-Photon-Interface (SPI) operating in the low loss Telecommunications band (TeSPI), which allows for low loss transmission via optical fibres and thereby for connecting spatially separate quantum systems. This is extremely important to realize large-scale quantum networks. The second system consists of a levitated nanodiamond containing a NV-center in a strong magnetic field gradient. The field gradient renders the NVs electronic spin energy dependent on the nanodiamond position and enables cooling of the nanoresonator or preparation of non-classical mechanical states through spin-dependent forces. The Spin Controlled Levitated nanodiamond (SCoL) opens up exciting routes toward studying quantum mechanical effects in macroscopic objects. The proposed research will be carried out in a concerted effort between myself (Dr. Jan Gieseler), Prof. Mikhail Lukin (Harvard University) and Prof. Romain Quidant (ICFO).


year authors and title journal last update
List of publications.
2019 Nadine Meyer, Andrés de los Rios Sommer, Pau Mestres, Jan Gieseler, Vijay Jain, Lukas Novotny, Romain Quidant
Resolved-Sideband Cooling of a Levitated Nanoparticle in the Presence of Laser Phase Noise
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.123.153601
Physical Review Letters 123/15 2020-04-04
2020 Carlos Gonzalez-Ballestero, Jan Gieseler, Oriol Romero-Isart
Quantum Acoustomechanics with a Micromagnet
published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.124.093602
Physical Review Letters 124/9 2020-04-04
2018 Jan Gieseler, James Millen
Levitated Nanoparticles for Microscopic Thermodynamics—A Review
published pages: 326, ISSN: 1099-4300, DOI: 10.3390/e20050326
Entropy 20/5 2019-06-13
2017 Martin Frimmer, Jan Gieseler, Thomas Ihn, Lukas Novotny
Levitated nanoparticle as a classical two-level atom [Invited]
published pages: C52, ISSN: 0740-3224, DOI: 10.1364/JOSAB.34.000C52
Journal of the Optical Society of America B 34/6 2019-06-13
2016 Martin Frimmer, Jan Gieseler, Lukas Novotny
Cooling Mechanical Oscillators by Coherent Control
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.117.163601
Physical Review Letters 117/16 2019-06-13
2017 F. Ricci, R. A. Rica, M. Spasenović, J. Gieseler, L. Rondin, L. Novotny, R. Quidant
Optically levitated nanoparticle as a model system for stochastic bistable dynamics
published pages: 15141, ISSN: 2041-1723, DOI: 10.1038/ncomms15141
Nature Communications 8 2019-06-13

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