Univ.-Prof. Dr. Oriol Romero-Isart

Professor

Room: 3/34 IQOQI
Phone: +43 512 507 47057
Email: Oriol.Romero-Isart[at]uibk.ac.at

Research group: Quantum Nanophysics, Optics and Information

More Information

  • Personal Homepage

  • FLD Research Documentation

    Publications 2024

    Contributions to Books / Journals

    Journal Article (Original Paper)
    • Neumeier, L.; Ciampini, M.; Romero-Isart, O.; Aspelmeyer, M.; Kiesel, N. (2024): Fast Quantum Interference of a Nanoparticle via Optical Potential Control.
      In: PNAS. Proceedings of the National Academy of Sciences 121/4, No. e2306953121. (DOI) (Web link)

    • Roda-Llordes, M; Candoli, D.; Grochowski, P.T.; Riera-Campeny, A.; Agrenius, T.; García-Ripoll, J.J.; Gonzalez-Ballestero, C.; Romero-Isart, O. (2024): Numerical simulation of large-scale nonlinear open quantum mechanics.
      In: Physical Review Research 6/1, No. 013262. (DOI) (Web link)

    • Roda-Llordes, M.; Riera-Campeny, A.; Candoli, D.; Grochowksi, P.; Romero-Isart, O. (2024): Macroscopic Quantum Superpositions via Dynamics in a Wide Double-Well Potential.
      In: Physical Review Letters 132, No. 023601. (DOI) (Web link)

    • Vijayan, Jayadev; Piotrowski, Johannes; Gonzalez-Ballestero, Carlos; Weber, Kevin; Romero-Isart, Oriol; Novotny, Lukas (E-First): Cavity-mediated long-range interactions in levitated optomechanics.
      In: Nature Physics. (DOI) (Web link)



    Lectures 2024

    Presentations at Conferences, Symposia, etc.

    Poster Presentation
    • Lecturer(s): Agrenius, T. Co-author(s): Yang, I; Usova, V; Romero-Isart, O; Kirchmair, G.: ‘Hot’ Schrödinger Cat States: Demonstration of quantum coherent impure states.
      5th Q-Xtreme Meeting, Innsbruck, 2024-02-13.



    Publications 2023

    Contributions to Books / Journals

    Journal Article (Original Paper)
    • Agrenius, T.; Gonzales-Ballestero, C.; Maurer, P.; Romero-Isart, O. (2023): Interaction between an Optically Levitated Nanoparticle and Its Thermal Image: Internal Thermometry via Displacement Sensing.
      In: Physical Review Letters 130/9, Nr. 093601. (DOI) (Web link)

    • Brown, M.O.; Muleady, S.R.; Dworschack, W.J.; Lewis-Swan, R.J.; Rey, A.M.; Romero-Isart, O.; Regal, C.A. (2023): Time-of-Flight Quantum Tomography of Single Atom Motion.
      In: Nature Physics 19, pp. 569 - 573. (DOI) (Web link)

    • Casulleras, S.; Knauer, S.; Wang, Q.; Romero-Isart, O.; Chumak, A.; Gonzalez-Ballestero, C. (2023): Generation of Spin-Wave Pulses by Inverse Design.
      In: Physical Review Applied 19/6, No. 064085. (DOI) (Web link)

    • Lepeshov, S.; Meyer, N.; Maurer, P.; Romero-Isart, O.; Quidant, R. (2023): Levitated Optomechanics with Meta-Atoms.
      In: Physical Review Letters 130, Nr. 233601. (DOI) (Web link)

    • Maurer, P.; Gonzalez-Ballestero, C.; Romero-Isart, O. (2023): Quantum Electrodynamics with a Nonmoving Dielectric Sphere: Quantizing Lorenz-Mie Scattering.
      In: Journal of the Optical Society of America B: Optical Physics 40/12, pp. 3137 - 3155. (DOI) (Web link)

    • Maurer, P.; Gonzalez-Ballestero, C.; Romero-Isart, O. (2023): Quantum theory of light interaction with a Lorenz-Mie particle: Optical detection and three-dimensional ground-state cooling.
      In: Physical Review A (Atomic, Molecular and Optical Physics) 108, Nr. 033714. (DOI) (Web link)

    • Piotrowski, J.; Windey, D.; Vijayan, J.; Gonzalez-Ballestero, C.; de los Rios Sommer, A.; Meyer, N.; Quidant, R.; Romero-Isart, O.; Reimann, R.; Novotny, L. (2023): Simultaneous ground-state cooling of two mechanical modes of a levitated nanoparticle.
      In: Nature Physics 19, pp. 1009 - 1013. (DOI) (Web link)

    Other Publications

    Electronic Publication (Preprint)
    • Bonvin, Eric; Devaud, Louisiane; Rossi, Massimiliano; Militaru, Andrei; Dania, Lorenzo; Bykov, Dmitry S.; Romero-Isart, Oriol; Northup, Tracy E.; Novotny, Lukas; Frimmer, Martin (2023): State Expansion of a Levitated Nanoparticle in a Dark Harmonic Potential. (Web link)

    • Casulleras, S.; Knauer, S.; Wang, Q.; Romero-Isart, O.; Chumak, A.; Gonzalez-Ballestero, C. (2023): Generation of Spin-Wave Pulses by Inverse Design. (Web link)

    • Grochowski, P.; Pichler, H.; Regal, C. A.; Romero-Isart, O. (2023): Quantum control of continuous systems via nonharmonic potential modulation. (Web link)

    • Riera-Campeny, Andreu; Roda-Llordes, Marc; Grochowski, Piotr T.; Romero-Isart, Oriol (2023): Wigner Analysis of Particle Dynamics in Wide Nonharmonic Potentials. (Web link)

    • Roda-Llordes, M.; Candoli, D.; Grochowski, P.; Riera-Campeny, A.; Agrenius, T.; Garcia-Ripoll, J.; Gonzalez-Ballestero, C.; Romero-Isart, O. (2023): Numerical Simulation of Large-Scale Nonlinear Open Quantum Mechanics. (Web link)



    Lectures 2023

    Presentations at Conferences, Symposia, etc.

    Conference Lecture (Invited Lecture)
    • Lecturer(s): Romero Isart, Oriol: Quantum Theory of Light Interaction with a Dielectric Sphere.
      Workshop on Levitating Multi Atoms, Ions & Particles, Trest, 2023-05-16. (Web link)

    • Lecturer(s): Romero-Isart, Oriol: Macroscopic Quantum Superpositions via Dynamics in Nonharmonic Potentials.
      794 WE-Heraeus-Seminar on Exploiting Levitated Particles in the Quantum Regime, Bad Honnef, 2023-09-05. (Web link)

    Conference Lecture (Upon Registration)
    • Lecturer(s): Albert, Romain Co-author(s): Zanner, M.; Rosenthal, E. I.; Casulleras Guàrdia, S.; Juan, M. L.; Lehnert, K.; Romero-Isart, O.; Kirchmair, G.: Position-dependent excitation of transmon qubits embedded in a 3D waveguide.
      APS March Meeting 2023, Las Vegas, 2023-03-06. (Web link)

    • Lecturer(s): Romero Isart, Oriol: Macroscopic Quantum Superpositions via Dynamics in Nonharmonic Potentials.
      Workshops on Quantum Sensing and Fundamental Physics with Levitated Mechanical Systems, Trento, 2023-08-01. (Web link)

    Poster Presentation
    • Lecturer(s): Agrenius Gustafsson, T. Co-author(s): Gonzalez-Ballestero, C.; Maurer, P.; Romero-Isart, O.: Interaction Between an Optically Levitated Nanoparticle and Its Thermal Image: Internal Thermometry via Displacement Sensing.
      Intergroup Retreat ITP Obergurgl, Obergurgl, 2023-02-20. (Web link)

    • Lecturer(s): Agrenius Gustafsson, T. Co-author(s): Gonzalez-Ballestero, C.; Maurer, P.; Romero-Isart, O.: Interaction Between an Optically Levitated Nanoparticle and Its Thermal Image: Internal Thermometry via Displacement Sensing.
      ESI workshop on Blackbody Radiation Induced Effects and Phenomena, Wien, 2023-02-14. (Web link)

    • Lecturer(s): Agrenius, T. Co-author(s): Gonzalez-Ballestero, C.; Maurer, P.; Romero-Isart, O.: Decoherence due to thermal emission and absorption of photons with one and two nanoparticles.
      4th Q-Xtreme retreat, Männedorf, 2023-04-25. (Web link)

    • Lecturer(s): Agrenius, Thomas Co-author(s): Gonzalez-Ballestero, Carlos; Maurer, Patrick; Romero-Isart, Oriol: Interaction Between an Optically Levitated Nanoparticle and Its Thermal Image: Internal Thermometry via Displacement Sensing.
      Workshops on Quantum Sensing and Fundamental Physics with Levitated Mechanical Systems, Trento, 2023-07-31. (Web link)

    Guest Lectures

    Guest Lecture
    • Lecturer(s): Romero Isart, Oriol: Levitated Nanoparticles in Macroscopic Quantum Superpositions: Pushing the Boundaries of Quantum Mechanics.
      Yale University, New Haven, 2023-06-09.

    • Lecturer(s): Romero Isart, Oriol: Levitated Nanoparticles in Macroscopic Quantum Superpositions: Pushing the Boundaries of Quantum Mechanics.
      Columbia University, New York City, 2023-06-03.

    • Lecturer(s): Romero Isart, Oriol: Levitated Nanoparticles in Macroscopic Quantum Superpositions: Pushing the Boundaries of Quantum Mechanics.
      Centre for Quantum Technologies (CQT), Singapore, 2023-03-23.

    • Lecturer(s): Romero-Isart, Oriol: Levitated Nanoparticles in Macroscopic Quantum Superpositions: Pushing the Boundaries of Quantum Mechanics.
      ICFO - Institut de Ciències Fotòniques, Barcelona, 2023-08-31. (Web link)

    • Lecturer(s): Romero-Isart, Oriol: Levitated Nanoparticles in Macroscopic Quantum Superpositions: Pushing the Boundaries of Quantum Mechanics.
      University of Kopenhagen - Niels Bohr Institute, Kopenhagen, 2023-05-03.



    Publications 2022

    Contributions to Books / Journals

    Journal Article (Original Paper)
    • Chumak, AV; Kabos, P; Wu, M; ..., ...; Romero-Isart, O; ..., ...; Zhang, X (2022): Advances in Magnetics Roadmap on Spin-Wave Computing.
      In: IEEE TRANSACTIONS ON MAGNETICS 58/6, Nr. 0800172. (DOI)

    • Gonzalez-Ballestero, C.; van der Sar, T.; Romero-Isart, O. (2022): Towards a quantum interface between spin waves and paramagnetic spin baths.
      In: Physical Review B (Condensed Matter) 105/7, No. 075410. (DOI) (Web link)

    • Gonzalez-Ballestero, C.; Zielinska, J.; Rossi, M.; Militaru, A.; Frimmer, M.; Novotny, L.; Maurer, P.; Romero-Isart, O. (2022): Suppressing Recoil Heating in Levitated Optomechanics using Squeezed Light.
      In: PRX Quantum 4/3, No. 030331. (DOI) (Web link)

    • Kustura, K.; Gonzalez-Ballestero, C.; de los Rios Sommer, A.; Meyer, N.; Quidant, R.; Romero-Isart, O. (2022): Mechanical squeezing via unstable dynamics in a microcavity.
      In: Physical Review Letters 128/14, No. 143601. (DOI) (Web link)

    • Militaru, A.; Rossi, M.; Tebbenjohanns, F.; Romero-Isart, O.; Frimmer, M.; Novotny, L. (2022): Ponderomotive Squeezing of Light by a Levitated Nanoparticle in Free Space.
      In: Physical Review Letters 129/5, Nr. 053602. (DOI) (Web link)

    • Novotny, L.; Frimmer, M.; Militaru, A.; Norrman, A.; Romero-Isart, O.; Maurer, P. (2022): Optomechanical sideband asymmetry explained by stochastic electrodynamics.
      In: Physical Review A (Atomic, Molecular and Optical Physics) 106/4, No. 043511. (DOI) (Web link)

    • Rusconi, C.C.; Perdriat, M.; Hetet, G.; Romero-Isart, O.; Stickler, B.A. (2022): Spin-controlled quantum interference of levitated nano rotors.
      In: Physical Review Letters 129/9, No. 093605. (DOI) (Web link)



    Lectures 2022

    Presentations at Conferences, Symposia, etc.

    Conference Lecture (Invited Lecture)
    • Lecturer(s): Romero Isart, Oriol: Quantum Mechanics XXL.
      Frontiers of Atomic Physics and Quantum Information, Barcelona, 2022-10-06. (Web link)

    • Lecturer(s): Romero Isart, Oriol: Discussion on Macroscopic Quantum Superpositions.
      LeviNet Inaugural Conference, London, 2022-09-07. (Web link)

    • Lecturer(s): Romero Isart, Oriol: Quantum Acoustomechanics with a Micromagnet.
      Spin Mechanics VII, Gerolfingen, 2022-08-23. (Web link)

    • Lecturer(s): Romero Isart, Oriol: Towards Macroscopic Quantum Superposition of a Nanoparticle.
      Humboldt-Kolleg: “Clues to a mysterious Universe - exploring the interface of particle, gravity and quantum physics”, Kitzbühel, 2022-06-30. (Web link)

    • Lecturer(s): Romero Isart, Oriol: Harnessing Unstable Levitodynamics.
      Workshop on Quantum Engineering of Levitated Systems, Benasque, 2022-04-28. (Web link)

    • Lecturer(s): Romero Isart, Oriol: Towards Quantum Delocalization of a Nanoparticle.
      Workshop Testing Quantum Aspects of Gravity in a Laboratory 2022, Lorentz Center, 2022-03-31 (Online). (Web link)

    • Lecturer(s): Romero-Isart, O.: Towards Macroscopic Quantum Superposition of a Nanoparticle.
      Clues to a mysterious Universe - exploring the interface of particle, gravity and quantum physics, Kitzbühel, 2022-06-30. (Web link)

    • Lecturer(s): Romero-Isart, O.: Harnessing Unstable Levitodynamics.
      Quantum Engineering of Levitated Systems, Benasque, 2022-04-28. (Web link)

    • Lecturer(s): Romero-Isart, O.: Towards Quantum Delocalization of a Nanoparticle.
      Testing Quantum Aspects of Gravity in a Laboratory 2022, Leiden, online, 2022-03-31. (Web link)

    Poster Presentation
    • Lecturer(s): Agrenius Gustafsson, T. Co-author(s): Gonzalez-Ballestero, C.; Maurer, P.; Romero-Isart, O.: Decoherence due to thermal emission and absorption of photons.
      Q-Xtreme 3rd meeting, Wien, 2022-11-22. (Web link)

    • Lecturer(s): Agrenius Gustafsson, T. Co-author(s): Gonzalez-Ballestero, C.; Maurer, P.; Romero-Isart, O.: Interaction Between an Optically Levitated Nanoparticle and Its Thermal Image: Internal Thermometry via Displacement Sensing.
      Q-Xtreme 3rd meeting, Wien, 2022-11-21. (Web link)

    • Lecturer(s): Agrenius Gustafsson, T. Co-author(s): Gonzalez-Ballestero, C.; Maurer, P.; Romero-Isart, O.: Interaction Between an Optically Levitated Nanoparticle and Its Thermal Image: Internal Thermometry via Displacement Sensing.
      Physics Poster Day, Innsbruck, 2022-11-14. (Web link)

    • Lecturer(s): Agrenius Gustafsson, T. Co-author(s): Gonzalez-Ballestero, C.; Maurer, P.; Romero-Isart, O.: Coherent interaction of a nanoparticle with its image: Measuring internal temperature via displacement sensing.
      Q-xtreme Meeting, Wislikofen, 2022-05-23. (Web link)

    • Lecturer(s): Albert, Romain Co-author(s): Zanner, M.; Rosenthal, E.; Casulleras, S.; Juan, M.; Lehnert, K.; Romero-Isart, O.; Kirchmair, G.: Addressing of superconducting qubits in a rectangular waveguide.
      DPG Meeting of the Condensed Matter Section (SKM) / DPG-Tagung der Sektion Kondensierte Materie (SKM), Regensburg, 2022-09-05. (Web link)



    Publications 2021

    Contributions to Books / Journals

    Journal Article (Original Paper)
    • Casulleras Guardia, S.; Gonzalez-Ballestero, C.; Maurer, P.; Garcia-Ripoll, J.; Romero-Isart, O. (2021): Remote Individual Addressing of Quantum Emitters with Chirped Pulses.
      In: Physical Review Letters 126/10, No. 103602. (DOI) (Web link)

    • Gonzalez-Ballestero, C.; Aspelmeyer, M.; Novotny, L.; Quidant, R.; Romero-Isart, O. (2021): Levitodynamics: Levitation and control of microscopic objects in vacuum.
      In: Science 374/6564, No. eabg3027. (DOI) (Web link)

    • Heidler, P.; Schneider, C.; Kustura, K.; Gonzalez-Ballestero, C.; Romero-Isart, O.; Kirchmair, G. (2021): Non-Markovian Effects of Two-Level Systems in a Niobium Coaxial Resonator with a Single-Photon Lifetime of 10 milliseconds.
      In: Physical Review Applied 16/3, No. 034024. (DOI) (Web link)

    • Hümmer, D.; Romero-Isart, O.; Rauschenbeutel, A.; Schneeweiss, P. (2021): Probing Surface-Bound Atoms with Quantum Nanophotonics.
      In: Physical Review Letters 126/16, No. 163601. (DOI) (Web link)

    • Kustura, K.; Romero-Isart, O.; Gonzalez-Ballestero, C. (2021): Effective quantum dynamics induced by a driven two-level-system bath.
      In: Physical Review A (Atomic, Molecular and Optical Physics) 103/5, No. 053709. (DOI) (Web link)

    • Roda Llordes, M.; Gonzalez-Ballestero, C.; Rubio Lopez, A.; Martinez-Perez, M.; Luis, F.; Romero-Isart, O. (2021): Quantum size effects in the magnetic susceptibility of a metallic nanoparticle.
      In: Physical Review B (Condensed Matter) 104/10, No. L100407. (DOI) (Web link)

    • Weiss, T.; Roda Llordes, M.; Torrontegui, E.; Aspelmeyer, M.; Romero-Isart, O. (2021): Large Quantum Delocalization of a Levitated Nanoparticle Using Optimal Control: Applications for Force Sensing and Entangling via Weak Forces.
      In: Physical Review Letters 127/2, No. 023601. (DOI) (Web link)



    Lectures 2021

    Presentations at Conferences, Symposia, etc.

    Conference Lecture (Upon Registration)
    • Lecturer(s): Albert, R. Co-author(s): Rosenthal, E.; Zanner, M.; Casulleras, S.; Juan, M. L.; Lehnert, K.; Romero-Isart, O.; Kirchmair, G.: Sub-wavelength addressing of superconducting qubits in a rectangular waveguide.
      APS March Meeting 2021, Washington (online), 2021-03-17. (Web link)

    • Lecturer(s): Casulleras Guardia, S. Co-author(s): Gonzalez-Ballestero, Carlos; Maurer, Patrick; Garcia-Ripoll, Juan Jose; Romero-Isart, Oriol: Remote Individual Addressing of Quantum Emitters with Chirped Pulses.
      APS March Meeting 2021, Washington (online), 2021-03-18. (Web link)

    Lecture at Project Meeting / Research Cooperation Meeting
    • Lecturer(s): Romero-Isart, O.: When are large position uncertainties quantum?
      Q-Xtreme Kickoff meeting, Innsbruck, 2021-10-06. (Web link)

    • Lecturer(s): Romero-Isart, O.: Introduction to non-Gaussian states.
      Q_Xtreme - Kickoff meeting, Innsbruck, 2021-10-05. (Web link)

    Guest Lectures

    Guest Lecture
    • Lecturer(s): Romero Isart, Oriol: Towards Macroscopic Quantum Physics with Levitated Nanoparticles.
      Ben- Gurion University of the Negev, Be'er Sheva, 2021-11-03 (Online).

    • Lecturer(s): Romero Isart, Oriol: Towards Macroscopic Quantum Physics with Levitated Nanoparticles.
      Technische Universität Wien (TU Wien), Wien, 2021-06-25.

    • Lecturer(s): Romero Isart, Oriol: Towards Macroscopic Quantum Physics with Levitated Nanoparticles.
      Center for Theoretical Physics of the Polish Academy of Sciences / Centrum Fizyki Teoretycznej Polskiej Akademii Nauk, Warschau, 2021-06-18 (Online).

    • Lecturer(s): Romero-Isart, O.: Towards Macroscopic Quantum Physics with Levitated Nanoparticles (online).
      Ben-Gurion University of the Negev, Beer-Sheva, 2021-11-03.

    • Lecturer(s): Romero-Isart, O.: Quantum Electrodynamics with a Dielectric Sphere.
      Institut de Ciències Fotòniques (ICFO)/ Institute of Photonic Sciences, Barcelona, 2021-07-07.

    • Lecturer(s): Romero-Isart, O.: Towards Macroscopic Quantum Physics with Levitated Nanoparticles.
      Technische Universität Wien (TU Wien), Wien, 2021-06-25.

    • Lecturer(s): Romero-Isart, O.: Towards Macroscopic Quantum Physics with Levitated Nanoparticles (online).
      Center for Theoretical Physics of the Polish Academy of Sciences / Centrum Fizyki Teoretycznej Polskiej Akademii Nauk, Warschau, 2021-06-18. (Web link)

    • Lecturer(s): Romero-Isart, O.: Towards Macroscopic Quantum Physics with Levitated Nanoparticles (online).
      Quantum Gravity in Laboratory Forum, 2021-05-04. (Web link)



    Publications 2020

    Contributions to Books / Journals

    Journal Article (Original Paper)
    • Gieseler, J.; Kabcenell, A.; Rosenfeld, E.; Schaefer, J.D.; Safira, A.; Schuetz, M.J.A.; Gonzalez-Ballestero, C.; Rusconi, C.C.; Romero-Isart, O.; Lukin, M.D. (2020): Single-Spin Magnetomechanics with Levitated Micromagnets.
      In: Physical Review Letters 124/16, NO. 163604. (DOI) (Web link)

    • Gonzalez-Ballestero, C.; Gieseler, J.; Romero-Isart, O. (2020): Quantum Acoustomechanics with a Micromagnet.
      In: Physical Review Letters 124/9, No. 093602. (DOI) (Web link)

    • Gonzalez-Ballestero, C.; Hümmer, D.; Gieseler, J.; Romero-Isart, O. (2020): Theory of quantum acoustomagnonics and acoustomechanics with a micromagnet.
      In: Physical Review B (Condensed Matter) 101/12, No. 125404. (DOI) (Web link)

    • Hümmer, D.; Lampert, R.; Kustura, K.; Maurer, P.; Gonzalez-Ballestero, C.; Romero-Isart, O. (2020): Acoustic and Optical Properties of a Fast Spinning Dielectric Nanoparticle.
      In: Physical Review B (Condensed Matter) 101/20, No. 205416. (DOI) (Web link)



    Publications 2019

    Contributions to Books / Journals

    Journal Article (Original Paper)
    • Gonzalez-Ballestero, C.; Maurer, P.; Windey, D.; Novotny, L.; Reimann, R.; Romero-Isart, O. (2019): Theory for cavity cooling of levitated nanoparticles via coherent scattering: Master equation approach.
      In: Physical Review A (Atomic, Molecular and Optical Physics) 100/1, No. 013805. (DOI) (Web link)

    • Hümmer, D.; Schneeweiss, P.; Rauschenbeutel, A.; Romero-Isart, O. (2019): Heating in Nanophotonic Traps for Cold Atoms.
      In: Physical Review X 9/4, No. 041034. (DOI) (Web link)

    • Kustura, K.; Rusconi, C.C.; Romero-Isart, O. (2019): Quadratic quantum Hamiltonians: General canonical transformation to a normal form.
      In: Physical Review A (Atomic, Molecular and Optical Physics) 99/2, No. 022130. (DOI) (Web link)

    • Rubio López, A.; Romero-Isart, O. (2019): Radiation Reaction of a Jiggling Dipole in a Quantum Electromagnetic Field.
      In: Physical Review Letters 123/24, No. 243603. (Web link)

    • Rusconi, C.C.; Schuetz, M.J.A.; Gieseler, J.; Lukin, M.D.; Romero-Isart, O. (2019): Hybrid architecture for engineering magnonic quantum networks.
      In: Physical Review A (Atomic, Molecular and Optical Physics) 100/2, No. 022343. (DOI) (Web link)

    • Weiß, T.; Romero-Isart, O. (2019): Quantum motional state tomography with nonquadratic potentials and neural networks.
      In: Physical Review Research 1/3, No. 033157. (DOI) (Web link)

    • Windey, D.; Gonzalez-Ballestero, C.; Maurer, P.; Novotny, L.; Romero-Isart, O.; Reimann, R. (2019): Cavity-Based 3D Cooling of a Levitated Nanoparticle via Coherent Scattering.
      In: Physical Review Letters 122/12, No. 123601. (DOI) (Web link)



    Lectures 2019

    Presentations at Conferences, Symposia, etc.

    Conference Lecture (Invited Lecture)
    • Lecturer(s): Gonzalez-Ballestero, C. Co-author(s): Lopez, Adrian E. Rubio; Maurer, Patrick; Hümmer, Daniel; Romero Isart, Oriol: New regimes of light-matter interaction in levitated nanoparticles.
      7th International Topical Meeting on Nanophotonics and Metamaterials (Nanometa 2019), Seefeld, 2019-01-03. (Web link)

    • Lecturer(s): Romero-Isart, O.: Quantum Acoustomechanics with a Micromagnet.
      Opto-magnonics 2019, Cambridge, 2019-09-09. (Web link)

    • Lecturer(s): Romero-Isart, O.: Quantum Acoustomechanics with a Micromagnet.
      Conference on Nanophotonics: Foundations & Applications, Monte Verita, 2019-09-02. (Web link)

    • Lecturer(s): Romero-Isart, O.: Heating in Nanophotonic Traps for Cold Atoms.
      7th International Topical Meeting on Nanophotonics and Metamaterials (Nanometa 2019), Seefeld, 2019-01-03. (Web link)

    • Lecturer(s): Romero-Isart, O. Co-author(s): Gonztalez-Ballestero, C.; Gieseler, J.: Strong Quantum Acousto-.Mechanics with a Micromagnet.
      699. WE-Heraeus-Seminar on Levitated Optomechanics, Bad Honnef, 2019-07-29. (Web link)

    Poster Presentation
    • Lecturer(s): Gonzalez-Ballestero, C. Co-author(s): Gieseler, J.; Romero Isart, R.: Unveiling strong acoustomagnonics via force sensing.
      699. WE-Heraeus-Seminar on Levitated Optomechanics, Bad Honnef, 2019-07-29. (Web link)

    • Lecturer(s): Hümmer, D. Co-author(s): Lampert, R.; Kustura, K.; Maurer, P.; Gonzalez-Ballestero, C.; Romero Isart, O.: Quantum Elastodynamicsl and optical properties of a rotating nanoparticle.
      699. WE-Heraeus-Seminar on Levitated Optomechanics, Bad Honnef, 2019-07-29. (Web link)

    • Lecturer(s): Hümmer, Daniel Co-author(s): Schneeweiss, Philipp; Rauschenbeutel, Arno; Romero Isart, Oriol: Atom-phonon interaction in nanofiber-based optical traps.
      7th International Topical Meeting on Nanophotonics and Metamaterials (Nanometa 2019), Seefeld, 2019-01-03. (Web link)

    • Lecturer(s): Rubio López, A. Co-author(s): Romero-Isart, O.: Radiation Reaction of a Jiggling dipole in a quantum electromagnetic field.
      699. WE-Heraeus-Seminar on Levitated Optomechanics, Bad Honnef, 2019-07-29. (Web link)

    Guest Lectures

    Guest Lecture
    • Lecturer(s): Romero-Isart, O.: Levitating Nanoparticle in Vacuum: A Quantum Treasure Trove.
      Universitat Autònoma de Barcelona / Autonome Universität Barcelona, Barcelona, 2019-03-14. (Web link)



    Publications 2018

    Contributions to Books / Journals

    Journal Article (Original Paper)
    • Pino, H.; Prat-Camps, J.; Sinha, K.; Venkatesh, B.; Romero-Isart, O. (2018): On-chip quantum interference of a superconducting microsphere.
      In: Quantum Science and Technology 3/2, No. 025001. (Full-text) (DOI) (Web link)

    • Prasanna Venkatesh, B.; Juan, M. L.; Romero-Isart, O. (2018): Cooperative Effects in Closely Packed Quantum Emitters with Collective Dephasing.
      In: Physical Review Letters 120, No. 033602. (DOI) (Web link)

    • Prat-Camps, J.; Maurer, P.; Kirchmair, G.; Romero-Isart, O. (2018): Circumventing Magnetostatic Reciprocity: A Diode for Magnetic Fields.
      In: Physical Review Letters 121/21, No. 213903. (DOI) (Web link)

    • Rubio Lopez, A.E.; Gonzalez-Ballestero, C.; Romero-Isart, O. (2018): Internal quantum dynamics of a nanoparticle in a thermal electromagnetic field: A minimal model.
      In: Physical Review B (Condensed Matter) 98/15, No. 155405. (DOI) (Web link)



    Publications 2017

    Contributions to Books / Journals

    Journal Article (Original Paper)
    • Maurer, P.; Prat-Camps, J; Cirac, J.I.; Hänsch, T. W.; Romero-Isart, O. (2017): Ultrafocused Electromagnetic Field Pulses with a Hollow Cylindrical Waveguide.
      In: Physical Review Letters 119/4, No. 043904. (DOI) (Web link)

    • Prat-Camps, J.; Teo, C.; Rusconi, C.C.; Wieczorek, W.; Romero-Isart, O. (2017): Ultrasensitive Inertial and Force Sensors with Diamagnetically Levitated Magnets.
      In: Physical Review Applied 8/3, No. 034002. (DOI) (Web link)

    • Romero-Isart, Oriol (2017): Coherent inflation for large quantum superpositions of levitated microspheres.
      In: New Journal of Physics 19, No. 123029. (DOI) (Web link)

    • Rusconi, C. C.; Pöchhacker, V.; Cirac, J. I.; Romero-Isart, O. (2017): Linear Stability Analysis of a Levitated Nanomagnet in a Static Magnetic Field: Quantum Spin Stabilized Magnetic Levitation.
      In: Physical Review B (Condensed Matter) 96/13, No. 134419. (DOI) (Web link)

    • Rusconi, C. C.; Pöchhacker, V.; Kustura, K.; Cirac, J. I.; Romero-Isart, O. (2017): Quantum Spin Stabilized Magnetic Levitation.
      In: Physical Review Letters 119/16, No. 167202. (DOI) (Web link)



    Lectures 2017

    Presentations at Conferences, Symposia, etc.

    Conference Lecture (Invited Lecture)
    • Lecturer(s): Romero-Isart, O.: Levitated Nanomagnets in the Quantum Regime.
      Quantum Nanophotonics, Benasque, 2017-02-28. (Web link)

    Lecture at Project Meeting / Research Cooperation Meeting
    • Lecturer(s): Romero-Isart, O.: Quantum Spin Stabilized Magnetic Levitation.
      7th Joint Meeting ICFO-ETH, Optomechanics meeting BCN 26th-28th March 2017, Capellades, 2017-03-28.



    Publications 2016

    Contributions to Books / Journals

    Journal Article (Original Paper)
    • Juan, M.L.; Molina-Terriza, G.; Volz, T.; Romero-Isart, O. (2016): Near-field levitated quantum optomechanics with nanodiamonds.
      In: Physical Review A (Atomic, Molecular and Optical Physics) 94/2, Nr. 023841. (DOI) (Web link)

    • Maurer, P.; Cirac, I.; Romer-Isart, O. (2016): Ultrashort Pulses for Far-Field Nanoscopy.
      In: Physical Review Letters 117/10, Nr. 103602. (DOI) (Web link)

    • Rusconi, C.; Romero-Isart, O. (2016): Magnetic rigid rotor in the quantum regime: Theoretical toolbox.
      In: Physical Review B (Condensed Matter) 93/5, No. 054427. (DOI) (Web link)



    Lectures 2016

    Presentations at Conferences, Symposia, etc.

    Conference Lecture (Invited Lecture)
    • Lecturer(s): Romero-Isart, O.: Towards Quantum Interference of a Superconducting Microsphere.
      Quantum Engineering of Levitated Systems, Benasque, 2016-09-27. (Web link)

    • Lecturer(s): Romero-Isart, O.: Towards quantum interference of spheres of 10^13 AMUs in an earth-based on-chip scheme.
      Eighth International Workshop DICE2016 "Spacetime - Matter - Quantum Mechanics", Castiglioncello, 2016-09-15. (Web link)

    • Lecturer(s): Romero-Isart, O.: Towards Quantum Interference of a Superconducting Microsphere.
      Frontiers of Matter Wave Optics (FOMO 2016), Arcachon, 2016-09-13. (Web link)

    • Lecturer(s): Romero-Isart, O.: Magnetic Levitation in Quantum Nanomechanics: New Opportunities.
      Quantum Interfaces with Nano-opto-electro-mechanical devices: Applications and Fundamental Physics, Erice, 2016-08-01. (Web link)

    • Lecturer(s): Romero-Isart, O.: All-magnetic scheme for quantum interference of a superconducting microsphere.
      Workshop: Quantum control of levitated optomechanic, Pontremoli, 2016-05-20. (Web link)

    • Lecturer(s): Romero-Isart, O.: Far-Field Optical Nanoscopy with Ultrashort Pulses.
      International Conference on Quantum Optics 2016, Obergurgl, 2016-02-22. (Web link)

    Conference Lecture (Upon Registration)
    • Lecturer(s): Romero-Isart, O.: Levitated Nanomagnets in the Quantum Regime.
      Quantum Information ICE-3, Palma de Mallorca, 2016-04-13. (Web link)

    Lecture at Summer-/Winterschool
    • Lecturer(s): Romero-Isart, O.: Levitated optomechanics.
      ICFO Master school on Quantum Nano- and Opto-mechanics, Barcelona, 2016-07-06. (Web link)

    Lecture at Project Meeting / Research Cooperation Meeting
    • Lecturer(s): Romero-Isart, O.: New Opportunities with Magnetic Levitation.
      5th Joint Meeting ICFO-ETH, Garraf, 2016-04-11.

    Guest Lectures

    Guest Lecture
    • Lecturer(s): Romero-Isart, O.: Magnetic Levitation in Quantum Nanomechanics: New Opportunities.
      Universität Basel, Basel, 2016-11-14. (Web link)

    • Lecturer(s): Romero-Isart, O.: Magnetic Levitation in Quantum Nanomechanics: New Opportunities.
      Institut de Ciències Fotòniques (ICFO)/ Institute of Photonic Sciences, Barcelona, 2016-07-06. (Web link)

    • Lecturer(s): Romero-Isart, O.: Levitated Magnets in the Quantum Regime: New Opportunities.
      Walther-Meißner-Institut, München, 2016-06-10. (Web link)

    Presentations for the general public

    Public Lecture
    • Romero-Isart, O.: Cómo poner un espejo en dos sitios a la vez: explorando los límites de la física cuántica.
      Centro de Ciencias de Benasque Pedro Pascual, Benasque, 2016-07-26. (Web link)



    Publications 2015

    Contributions to Books / Journals

    Journal Article (Original Paper)
    • Via, G.; Kirchmair, G.; Romero-Isart, O. (2015): Strong Single-Photon Coupling in Superconducting Quantum Magnetomechanics.
      In: Physical Review Letters 114/14, No. 143602. (DOI) (Web link)



    Lectures 2015

    Presentations at Conferences, Symposia, etc.

    Conference Lecture (Invited Lecture)
    • Lecturer(s): Romero-Isart, O.: Macroscopic quantum superpositions of levitated superconducting microspheres.
      OSA Incubator Meeting on Levitated Optomechanics, Washington DC, 2015-12-03. (Web link)

    • Lecturer(s): Romero-Isart, O.: Levitated Nanospheres in the Quantum Regime.
      QIPC 2015 - The International Conference on Quantum Information Processing and Communication, Leeds, 2015-09-16.

    • Lecturer(s): Romero-Isart, O.: Towards macroscopic quantum superpositions of levitated superconducting spheres.
      Probing the Mystery: Theory & Experiment in Quantum Gravity, Galiano Island, BC, 2015-08-17. (Web link)

    • Lecturer(s): Romero-Isart, O.: Strong Single-Photon Coupling Regime in Cavity Quantum Nanomechanics.
      NIM Conference on Resonator QED, München, 2015-08-04. (Web link)

    • Lecturer(s): Romero-Isart, O.: Near-Field Levitated Quantum Optomechanics with Nanodiamonds.
      Frontiers of Quantum and Mesoscopic Thermodynamics Conference (FQMT’15), Prag, 2015-07-29. (Web link)

    • Lecturer(s): Romero-Isart, O.: Near-Field Levitated Quantum Optomechanics with Nanodiamonds.
      New Trends in Complex Quantum Systems Dynamics, Cartagena, 2015-05-28. (Web link)

    • Lecturer(s): Romero-Isart, O.: Towards Quantum Interference of Superconducting Microspheres: Will Gravity Allow it?
      ITN cQOM workshop "Levitation in (quantum) physics", Wien, 2015-05-15. (Web link)

    • Lecturer(s): Romero-Isart, O.: Basics of Levitation.
      ITN cQOM workshop "Levitation in (quantum) physics", Wien, 2015-05-14. (Web link)

    Conference Lecture (Upon Registration)
    • Lecturer(s): Romero-Isart, O.: Towards Quantum Interference of Superconducting Microspheres: Will Gravity Allow it?
      Gravity in the Lab, Benasque, 2015-07-07. (Web link)

    Lecture at Summer-/Winterschool
    • Lecturer(s): Romero-Isart, O.: Levitated Nanospheres in the Quantum Regime (3 lectures).
      Summer School: Quantum Optomechanics and Nanomechanics, Les Houches, 2015-08-12. (Web link)

    Guest Lectures

    Guest Lecture
    • Lecturer(s): Romero-Isart, O.: Levitated Nanospheres in the Quantum Regime.
      Technische Universiteit Delft / Delft University of Technology / Technische Universiteit Delft, Delft, 2015-11-23. (Web link)

    • Lecturer(s): Romero-Isart, O.: Levitated Nanospheres in the Quantum Regime.
      Johannes-Gutenberg-Universität Mainz, Mainz, 2015-07-23.

    • Lecturer(s): Romero-Isart, O.: Superconducting Vortex for Ultracold Atoms.
      Macquarie University, Sydney, 2015-01-20.



    Publications 2014

    Contributions to Books / Journals

    Journal Article (Original Paper)
    • Navau, C.; Prat-Camps, J.; Romero-Isart, O.; Cirac, I.; Sanchez, A. (2014): Long-Distance Transfer and Routing of Static Magnetic Fields.
      In: Physical Review Letters 112, No. 253901. (DOI) (Web link)



    Lectures 2014

    Presentations at Conferences, Symposia, etc.

    Conference Lecture (Invited Lecture)
    • Lecturer(s): Romero-Isart, O.: Superconducting Vortex for Ultracold Atoms.
      ICE-1 Workshop "Información Cuántica en España-1", Zaragoza, 2014-06-25. (Web link)

    • Lecturer(s): Romero-Isart, O.: Quantum Magnetomechanics with Levitating Superconducting Microspheres.
      Gordon Research Seminar on Mechanical Systems in the Quantum Regime, Ventura, 2014-03-09. (Web link)

    • Lecturer(s): Romero-Isart, O.: Superconducting Vortex Lattice for Ultracold Atoms.
      International Conference on Quantum Optics 2014, Obergurgl, 2014-02-27.

    • Lecturer(s): Romero-Isart, O.: Quantum Magnetomechanics with Levitating Superconducting Microspheres.
      Frontiers of Opto- and Electro-mechanics workshop, Fai della Paganella, 2014-01-28. (Web link)

    Guest Lectures

    Guest Lecture
    • Lecturer(s): Romero-Isart, O.: How to place a microsphere in two places at once: Exploring the limits of quantum mechanics (Theoriekolloquium).
      Universität Innsbruck - Institut für Theoretische Physik, Innsbruck, 2014-12-09.

    • Lecturer(s): Romero-Isart, O.: Superconducting Vortex Lattices for Ultracold Atoms.
      Max-Planck-Institut für Quantenoptik (MPQ), Garching b. München, 2014-07-01.

    • Lecturer(s): Romero-Isart, O.: Superconducting Vortex Lattice for Ultracold Atoms.
      Österreichische Akademie der Wissenschaften - Institut für Quantenoptik und Quanteninformation (IQOQI), Wien / Innsbruck, 2014-06-16.

    • Lecturer(s): Romero-Isart, O.: Superconducting Vortex Lattices for Ultracold Atoms.
      Technische Universität Wien (TU Wien), Wien, 2014-01-23.



    Publications 2013

    Contributions to Books / Journals

    Journal Article (Original Paper)
    • Pflanzer, Anika C.; Romero-Isart, Oriol; Cirac, J. Ignacio (2013): Optomechanics assisted by a qubit: From dissipative state preparation to many-partite systems.
      In: Physical Review A (Atomic, Molecular and Optical Physics) 88, No. 033804. (DOI)

    • Romero-Isart, O.; Navau, C.; Sanchez, A.; Zoller, P.; Cirac, I. (2013): Superconducting Vortex Lattices for Ultracold Atoms.
      In: Physical Review Letters 111/14, p. 145304. (DOI) (Web link)



    Lectures 2013

    Presentations at Conferences, Symposia, etc.

    Conference Lecture (Invited Lecture)
    • Lecturer(s): Romero-Isart, O.: Quantum Magnetomechanics with Levitating Superconducting Microspheres.
      Cavity optomechanics – from the micro to the macroscale, Innsbruck, 2013-11-04. (Web link)

    Lecture at Project Meeting / Research Cooperation Meeting
    • Lecturer(s): Romero-Isart, O.: Superconducting Vortex Lattice for Ultracold Atoms.
      22nd SFB-FoQuS Meeting, Innsbruck, 2013-10-24. (Web link)

    Guest Lectures

    Guest Lecture
    • Lecturer(s): Romero-Isart, O.: How to place a microsphere in two places at once: Exploring the limits of quantum mechanics.
      Universitat de Barcelona / University of Barcelona / Universität Barcelona, Barcelona, 2013-10-30.

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