Here you find publications from our group. You can also check out Witlef’s google scholar, ORCID, or scopus site for a more complete list.
Directly jump to peer-reviewed articles, popular science articles, and theses.
Pre-prints
- Nanopillar metasurfaces uniting high optical reflectivity with ultracoherent nanomechanics
Alexander Jung, Anastasiia Ciers, Hannes Pfeifer, Albert Hansson, Johanna Örgård, Daniel Stachanow, Viktor A. Lilja, Philippe Tassin, Witlef Wieczorek
arXiv:2610.31452 [physics.optics]; data: 10.5281/zenodo.23566881 - A quasiparticle-protected superconducting qubit
Trond Hjerpekjøn Haug, Johan Kolvik, Joey Frey, Paul Burger, Fabian Resare, Witlef Wieczorek, Simone Gasparinetti, Per Delsing, Raphaël Van Laer
arXiv:2610.12227 [quant-ph] (2026) - Controlling rotations of magnetically levitated superconductors
Fynn Köller, Dominik Maile, Joachim Ankerhold, Klaus Hornberger, Witlef Wieczorek, Benjamin A. Stickler
arXiv:2608.16184 [quant-ph] (2026) - Niobium Titanium Nitride as a High Tensile Stress Material for Nanomechanics
Korbinian Rubenbauer, Burak E. Bülbüloglu, Thomas Luschmann, Manuel Müller, Stephan Geprägs, Witlef Wieczorek, Eva M. Weig, Matthias Althammer, Hans Huebl
arXiv:2608.07127 [quant-ph] (2026); data: 10.5281/zenodo.21332860 - Optomechanical systems with a Fano membrane in the middle
Lei Du, Aymeric Frerejean, Witlef Wieczorek, Janine Splettstoesser, Juliette Monsel
arXiv:2607.22526 [physics.optics] (2026) - Efficient flip-chip and on-chip-based modulation of flux-tunable superconducting resonators
Achintya Paradkar, Paul Nicaise, Karim Dakroury, Fabian Resare, Christian Dejaco, Lukas Deeg, Gerhard Kirchmair, Witlef Wieczorek
arXiv: 2512.23119 [quant-ph] (2025); data: 10.5281/zenodo.18079253
Peer-reviewed articles
2026
- Magnetic Omniconversion: Source-Independent Molding of Magnetostatic Fields
Jaume Cunill-Subiranas, Natanael Bort-Soldevila, Fabian Resare, Nuria Del-Valle, Witlef Wieczorek, Carles Navau
Science Advances 12, eaeh5747 (2026); MC2 news; arxiv:2603.01155 [physics.app-ph] (2026); data: 10.5281/zenodo.21508531 - Macroscopic Quantum Interference of the Center-of-Mass Motion of Levitated Superconducting Microparticles enabled by Magnetic Higher-Order Traps
Jaume Cunill-Subiranas, Fabian Resare, Suocheng Zhao, Sofia Qvarfort, A. Metelmann, Carles Navau, Witlef Wieczorek
Quantum Sci. Technol. 11, 045072 (2026); arXiv:2607.03622 [quant-ph] (2026) - Nonlinear quantum optomechanics in a Fano-mirror microcavity system
Lei Du, Juliette Monsel, Witlef Wieczorek, Janine Splettstoesser
Quantum Science and Technology 11, 035035 (2026); arXiv:2602.20085 [quant-ph] (2026)
2025
- Modification of adhesion between microparticles and engineered silicon surfaces
Fabian Resare, Somiya Islam Soke, Witlef Wieczorek
J. Appl. Phys. 138, 225304 (2025); arXiv:2508.13887 [physics.app-ph] (2025); data: 10.5281/zenodo.16902268 - Ultrathin 3R-MoS2 metasurfaces with atomically precise edges for efficient nonlinear nanophotonics
George Zograf, Betül Küçüköz, Alexander Yu. Polyakov, Andrew B. Yankovich, Alok Ranjan, Maria Bancerek, Abhay V. Agrawal, Eva Olsson, Witlef Wieczorek, Tomasz J. Antosiewicz, Timur O. Shegai
Communications Physics 8, 271 (2025); arXiv:2410.20960 [physics.optics] (2024) - Membrane phononic crystals for high-Qm mechanical defect modes at MHz frequencies in piezoelectric aluminum nitride
Anastasiia Ciers, Laurentius Radit Nindito, Alexander Jung, Hannes Pfeifer, Armin Dadgar, Andre Strittmatter, Witlef Wieczorek
Appl. Phys. Lett. 126, 253503 (2025); arXiv:2501.19151 [physics.app-ph] (2025), data: 10.5281/zenodo.14778127 - Superconducting flip-chip devices using indium microspheres on Au-passivated Nb or NbN as under-bump metallization layer
Achintya Paradkar, Paul Nicaise, Karim Dakroury, Fabian Resare, Witlef Wieczorek
Appl. Phys. Lett. 126, 022601 (2025) [on the cover of volume 126, issue 2]; arXiv:2408.14655v1 [cond-mat.supr-con] (2024); data: 10.5281/zenodo.13377107 - Coherent feedback control for cavity optomechanical systems with a frequency-dependent mirror
Lei Du, Juliette Monsel, Witlef Wieczorek, Janine Splettstoesser
Phys. Rev. A 111, 013506 (2025); arXiv:2405.13624 [quant-ph] (2024)
2024
- Thickness dependence of the mechanical properties of piezoelectric high-Qm nanomechanical resonators made from aluminium nitride
Anastasiia Ciers, Alexander Jung, Joachim Ciers, Laurentius Radit Nindito, Hannes Pfeifer, Armin Dadgar, Jürgen Bläsing, André Strittmatter, Witlef Wieczorek
Materials for Quantum Technology 4, 046301 (2024) [included in focus on Opto- and Electromechanical Systems]; arXiv:2410.03944 [cond-mat.mes-hall] (2024); data: 10.5281/zenodo.13890719 - Modeling magnetically levitated superconducting ellipsoids, cylinders, and cuboids for quantum magnetomechanics
Natanael Bort-Soldevila, Jaume Cunill-Subiranas, Nuria Del-Valle, Witlef Wieczorek, Gerard Higgins, Michael Trupke, Carles Navau
Phys. Rev. Research 6, 043046 (2024); arXiv:2404.05710 [physics.app-ph] (2024). - Nanomechanical crystalline AlN resonators with high quality factors for quantum optoelectromechanics
Anastasiia Ciers, Alexander Jung, Joachim Ciers, Laurentius Radit Nindito, Hannes Pfeifer, Armin Dadgar, Andre Strittmatter, Witlef Wieczorek
Advanced Materials 36, 2403155 (2024); arXiv:2402.12196 [cond-mat.mes-hall] (2024).; data: 10.5281/zenodo.10679216
Mentioned in Physik Journal 1/2025, Chalmers press release - Dissipative and dispersive cavity optomechanics with a frequency-dependent mirror
Juliette Monsel, Anastasiia Ciers, Sushanth Kini Manjeshwar, Witlef Wieczorek, Janine Splettstoesser
Phys. Rev. A 109, 043532 (2024); arXiv:2311.15311 [physics.optics] (2023). - Quasibound states in the continuum in photonic-crystal-based optomechanical microcavities
Cindy Peralle, Sushanth Kini Manjeshwar, Anastasiia Ciers, Witlef Wieczorek, Philippe Tassin
Phys. Rev. B 109, 035407 (2024); arXiv:2306.17831 [physics.optics] (2023).
2023
- Localization and interaction of interlayer excitons in MoSe2/WSe2 heterobilayers
Hanlin Fang, Qiaoling Lin, Yi Zhang, Joshua Thompson, Sanshui Xiao, Zhipei Sun, Ermin Malic, Saroj Dash, Witlef Wieczorek
Nature Communications 14, 6910 (2023); arXiv:2307.03842 [cond-mat.mes-hall] (2023)
Mentioned in attocube’s newsletter May 2024 - Integrated microcavity optomechanics with a suspended photonic crystal mirror above a distributed Bragg reflector
Sushanth Kini Manjeshwar, Anastasiia Ciers, Juliette Monsel, Hannes Pfeifer, Cindy Peralle, Shu Min Wang, Philippe Tassin, Witlef Wieczorek
Optics Express 31, 30212 (2023); arXiv:2305.13511 [physics.optics] (2023)
Highlighted in Spotlight on Optics - High-Q magnetic levitation and control of superconducting microspheres at millikelvin temperatures
Joachim Hofer, Rudolf Gross, Gerard Higgins, Hans Huebl, Oliver F. Kieler, Reinhold Kleiner, Dieter Koelle, Philip Schmidt, Joshua A. Slater, Michael Trupke, Kevin Uhl, Thomas Weimann, Witlef Wieczorek, Markus Aspelmeyer,
Phys. Rev. Lett. 131, 043603 (2023), arXiv:2211.06289 [quant-ph] (2022) - High-Q Trampoline Resonators from Strained Crystalline InGaP for Integrated Free-Space Optomechanics
Sushanth Kini Manjeshwar, Anastasiia Ciers, Fia Hellman, Jürgen Bläsing, André Strittmater, Witlef Wieczorek,
Nano Lett. 23, 5076 (2023), arXiv:2211.12469 [physics.app-ph] (2022) - Superconducting microsphere magnetically levitated in an anharmonic potential with integrated magnetic readout
Martí Gutierrez Latorre, Gerard Higgins, Achintya Paradkar, Thilo Bauch, Witlef Wieczorek,
Phys. Rev. Applied 19, 054047 (2023) [Editor’s suggestion], arXiv:2210.13451 [quant-ph] (2022)
Highlighted as a Research update in physicsworld; highlighted in LeviNets newsletter
2022
- A chip-based superconducting magnetic trap for levitating superconducting microparticles
Martí Gutierrez Latorre, Achintya Paradkar, David Hambraeus, Gerard Higgins, Witlef Wieczorek
IEEE Transactions on Applied Superconductivity 32, 1800305 (2022), arXiv:2109.15071 [cond-mat.supr-con] (2021) - Valley-exchange coupling probed by angle-resolved photoluminescence
Joshua J. P. Thompson, Samuel Brem, Hanlin Fang, Carlos Antón-Solanas, Bo Han, Hangyong Shan, Saroj P. Dash, Witlef Wieczorek, Christian Schneider and Ermin Malic
Nanoscale Horizons 7, 77-84 (2022), arXiv:2111.10237 [cond-mat.mes-hall]
2021
- Optomechanical cooling with coherent and squeezed light: the thermodynamic cost of opening the heat valve
Juliette Monsel, Nastaran Dashti, Sushanth Kini Manjeshwar, Jakob Eriksson, Henric Ernbrink, Ebba Olsson, Emelie Torneus, Witlef Wieczorek, Janine Splettstoesser
Phys. Rev. A 103, 063519 (2021), arXiv:2103.03596 [quant-ph] - Vibrational signatures for the identification of single-photon emitters in hexagonal boron nitride
Christopher Linderälv, Witlef Wieczorek, Paul Erhart
Phys. Rev. B 103, 115421 (2021); arXiv:2008.05817 [cond-mat.mtrl-sci] - Cavity Optomechanics with Photonic Bound States in the Continuum
Jamie M. Fitzgerald, Sushanth Kini Manjeshwar, Witlef Wieczorek, Philippe Tassin
Phys. Rev. Research 3, 013131 (2021); arXiv:2007.07883 [quant-ph]
2020
- Criteria for deterministic single-photon emission in two-dimensional atomic crystals
Joshua J. P. Thompson, Samuel Brem, Hanlin Fang, Joey Frey, Saroj P. Dash, Witlef Wieczorek, and Ermin Malic
Phys. Rev. Materials 4, 084006 (2020); arXiv:2008.10501 [cond-mat.mes-hall] - Suspended photonic crystal membranes in AlGaAs heterostructures for integrated multi-element optomechanics
Sushanth Kini Manjeshwar, Karim Elkhouly, Jamie M. Fitzgerald, Martin Ekman, Yanchao Zhang, Fan Zhang, Shu Min Wang, Philippe Tassin, Witlef Wieczorek
Appl. Phys. Lett. 116, 264001 (2020); arXiv:2004.12454 [physics.app-ph]; MC2 news article - Chip-based superconducting traps for levitation of micrometer-sized particles in the Meissner state
Martí Gutierrez Latorre, Joachim Hofer, Matthias Rudolph, Witlef Wieczorek
Supercond. Sci. Technol. 33, 105002 (2020); arXiv:2002.03868 [physics.app-ph] - Stationary optomechanical entanglement between a mechanical oscillator and its measurement apparatus
C. Gut, K. Winkler, J. Hoelscher-Obermaier, S. G. Hofer, R. Moghadas Nia, N. Walk, A. Steffens, J. Eisert, W. Wieczorek, J. A. Slater, M. Aspelmeyer, K. Hammerer
Phys. Rev. Research 2, 033244 (2020); arXiv:1912.01635 [quant-ph] - Geometric Scaling of Two-Level-System Loss in Superconducting Resonators
David Niepce, Jonathan Burnett, Martí Gutierrez Latorre, Jonas Bylander
Supercond. Sci. Technol. 33 025013 (2020); arXiv:1908.02606 [physics.app-ph]
2019
- Optimal Control of Hybrid Optomechanical Systems for Generating Non-Classical States of Mechanical Motion
Ville Bergholm, Witlef Wieczorek, Thomas Schulte-Herbrueggen, Michael Keyl
Quantum Science and Technology 4, 034001 (2019); arXiv:1812.06042
2018
- Experimental Determination of Irreversible Entropy Production in out-of-Equilibrium Mesoscopic Quantum Systems
M. Brunelli, L. Fusco, R. Landig, W. Wieczorek, J. Hoelscher-Obermaier, G. Landi, F. L. Semião, A. Ferraro, N. Kiesel, T. Donner, G. De Chiara, and M. Paternostro
Phys. Rev. Lett. 121, 160604 (2018); arXiv:1602.06958 [quant-ph] - Electro-mechanical Casimir effect
M. Sanz, W. Wieczorek, S. Gröblacher, E. Solano
Quantum 2, 91 (2018); arXiv:1712.08060 [quant-ph]
2017
- Ultrasensitive Inertial and Force Sensors with Diamagnetically Levitated Magnets
J. Prat-Camps, C. Teo, C. C. Rusconi, W. Wieczorek, O. Romero-Isart
Phys. Rev. Applied 8, 034002 (2017); arXiv:1703.00221 [quant-ph]
2015
- Optimal State Estimation for Cavity Optomechanical Systems
W. Wieczorek, S. G. Hofer, J. Hoelscher-Obermaier, R. Riedinger, K. Hammerer, M. Aspelmeyer
Phys. Rev. Lett. 114, 223601 (2015); arXiv:1505.01060 [quant-ph]
2014
- Tensile strained InxGa1-xP membranes for cavity optomechanics
G. D. Cole, P.-L. Yu, C. Gärtner, K. Siquans, R. M. Nia, J. Schmöle, J. Hoelscher-Obermaier, T. P. Purdy, W. Wieczorek, C. A. Regal, M. Aspelmeyer
Appl. Phys. Lett. 104, 201908 (2014); arXiv:1404.0029 [quant-ph]
2013
- Highly efficient heralding of entangled single photons
S. Ramelow, A. Mech, M. Giustina, S. Gröblacher, W. Wieczorek, J. Beyer, A. Lita, B. Calkins, T. Gerrits, S. W. Nam, A. Zeilinger, R. Ursin
Optics Express 21, 6, 6707-6717 (2013); arXiv:1211.5059 [quant-ph]
2011
- Quantum entanglement and teleportation in pulsed cavity optomechanics
S. G. Hofer, W. Wieczorek, M. Aspelmeyer, K. Hammerer
Phys. Rev. A 84, 052327, 1-10 (2011); arXiv:1108.2586 - Useful Multiparticle Entanglement and Sub-Shot-Noise Sensitivity in Experimental Phase Estimation
R. Krischek, C. Schwemmer, W. Wieczorek, H. Weinfurter, P. Hyllus, L. Pezze, A. Smerzi
Phys. Rev. Lett. 107, 080504 (2011); arXiv:1108.6002 [quant-ph]
Popular science articles
- Licht macht Druck
N. Kiesel, W. Wieczorek, S. Gröblacher, M. Aspelmeyer
Physik in unserer Zeit 6, 276-284 (2011)
Theses
PhD theses
- Achintya Paradkar, Coupling a Flux-Tunable Resonator to a Magnetically Levitated Superconducting Microparticle, 2026, PhD thesis, Chalmers
- Sushanth Kini Manjeshwar, Free-space cavity optomechanical systems on a chip with III-V heterostructures, 2023, PhD thesis, Chalmers
- Martí Gutierrez Latorre, Chip-based magnetic levitation of superconducting microparticles, 2023, PhD thesis, Chalmers
Master theses
- Albert Hansson, Master thesis, Fabrication optimization of high reflectivity photonic crystals, 2026, Chalmers
- Einar Carlsson, Master thesis, Development of Acoustic Metamaterial Vibrational Shields for Application at Cryogenic Temperatures, 2026, Chalmers
- Rishab Ramanathan, Master thesis, Noise characterization and frequency-locking of superconducting flux-tunable resonators, 2026, Chalmers
- Johanna Örgård, Master thesis, A vacuum integrated fibre Fabry-Pérot cavity setup for optical and optomechanical characterisation, 2025, Chalmers
- Somiya Islam Soke, Master thesis, Surface modifications of silicon chips to reduce the adhesion force of metallic microparticles, 2025, Chalmers/GU
- Laurentius Radit Nindito, Master thesis, Tensile-strained crystalline aluminium nitride nanomechanical resonators, 2024, Chalmers
- Karim Dakroury, Master thesis, Superconducting flux transformers for the modulation of flux-tunable resonators, 2024, Chalmers
- Anton Söderqvist, Master thesis, Cryogenic Vibration Isolation For Low Frequency Levitation Experiments, 2023, University of Glasgow and Chalmers
- Fia Hellman, Master thesis, Tensile-strained micromechanical resonators made from crystalline InGaP with low mechanical dissipation and high optical reflectivity, 2022, Chalmers
- Avan Mirkhan, Master thesis, Towards flux-tunable superconducting coplanar waveguide resonators for inductive coupling to levitated superconducting particles, 2022, Chalmers
- Johan Kolvik, Master thesis, Towards cavity optomechanics with integrated multi-element mechanical resonators, 2021, Chalmers
- Joey Frey, Master thesis, Optical characterisation of two-dimensional WSe2 flakes for quantum light emission, June 2020, Chalmers
- Karim Elkhouly, Master thesis, High Reflectivity GaAs-based Photonic Crystal Reflectors for Cavity Optomechanics, August 2019, Chalmers
Bachelor theses
- Jakob Eriksson, Henric Ernbrink, Ebba Olsson, Emelie Torneus, Bachelor thesis, A nano-optomechanical refrigerator: Quantifying the thermodynamic performance of sideband cooling, May 2019, Chalmers/Gothenburg University
