ITN Newsletter – January 2023

ITN Newsletter – January 2023

ECTI will be back for a new edition in 2023: 25-29 September in a castle close to Hannover in Germany. More details can be found in this issue. Don't forget to SAVE the DATE!

Dear all,

ECTI will be back for a new edition in 2023: 25-29 September in a castle close to Hannover in Germany. More details can be found HERE . Don’t forget to SAVE the DATE!

Your editorial team



COST Action CONFINED MOLECULAR SYSTEMS: FROM A NEW GENERATION OF MATERIALS TO THE STARS (COSY), started in fall 2022, and might be interesting to some of you. (Attention, they are confined NOT trapped !). Details can be found here and the announcement of the first General Meeting, 1-3 March 2023 in Cadiz, is here


9th Conference on Electrostatic storage devices (ESD 9), 14-18 May in the Weizmann Institute of Science, Rehovot Israel. Details

54 EGAS, Strasbourg/France, 18-22 June 2023 Details

25th ICOLS, Estes Park, Colorado/USA, 25-30 June 2023 Details

ICPEAC 2023 will be held in Ottawa (Canada), from July 25th to August 1st of 2023 Details

Workshop on Ultracold Molecules (satellite event to BEC 2023 Conference) to be held at the campus of the University of Warsaw, Warsaw, Poland, from 5-8 September, 2023. Details

25-29 September 2023: ECTI in Schlosshotel Bückeburg close to Hannover Germany. Details

9th Symposium on Frequency Standards and Metrology will be held on 16-20 October 2023 at Kingscliff, New South Wales, Australia. A Summer School will be associated. Details

Already the 5th edition !
Les Houches Winter School on “Physics with Trapped Charged Particles” is scheduled for 15-26 January 2024. Details

Online seminars

Virtual Seminar on Precision Physics and Fundamental Symmetries – an initiative for the precision physics and quantum information community,  every Thursday   LINK
The “Virtual AMO Seminar” ( Fridays, 7pm (UTC)

The “Quantum Science Seminar” (  on Thursdays, 5 pm



PhD position in experimental trapped ion physics at the mass spectrometer Pentatrap in the group of Sergey Eliseev and Klaus Blaum at the Max Planck Institute for Nuclear Physics in Heidelberg. The PhD project will be aimed at performing high-precision mass measurement for fundamental physics and development of the necessary technical and methodical upgrades. Details
Postdoc position at Stockholm University to work on Experimental Quantum Computing with Trapped Rydberg Ions. Closing date 31 January 2023 or until position is filled. For more information see our webpage, or contact Markus Hennrich.
An associate professor permanent position (maître de conference) is opening at Université Paris Cité to develop integrated ion – telecom photon interfaces.


PhD position to work at ALPHA, CERN, Geneva, Switzerland. Details
Postdoctoral Research Associate in Experimental Nuclear Physics to work on the further development of ion trapping techniques for nuclear physics and applications beyond fundamental sciences. Details
A postdoc position is open in the University of California San Diego positron group ( to study vortex dynamics using electron plasmas confined in a Penning-Malmberg trap. The successful candidate will have an opportunity to do both experiments and complementary computer simulations. Details.
Two postdoctoral positions in quantum networking with trapped ions. The primary goal of the postdocs will be to demonstrate the core elements of a quantum repeater in a distributed scenario. Details
Multiple postdoc and PhD positions are available in the newly formed Leibrandt Group at UCLA for experiments on (1) trapped-ion thorium nuclear clocks, (2) quantum control of and searches for new physics with polyatomic molecules, and (3) development of optical atomic clocks for space missions.  More information HERE and/or contact David Leibrandt.
PhD position in the Oxford Ion Trap Group, on entanglement-enhanced metrology with a quantum network of optical atomic clocks. More information
Permanent trapped ion physicist positions are available at the UK’s National Quantum Computing Centre, see current vacancies or contact Cameron Deans for details
Postdoctoral position at UCLouvain (Louvain-la-Neuve, Belgium): Merged-beam laboratory astrophysics experiments with Prof Xavier Urbain
Several PhD and postdoc positions are available in Amsterdam to develop quantum-enhanced methods for the next generation of fundamental physics tests with trapped ions. More information can be found at
2-year Post-doctoral position for the GPIB and PIPERADE setups at LP2i-Bordeaux. Details
The University of Sussex in Brighton/UK announces two vacancies: a professor of quantum optics and technology and a Lecturer/Reader in Quantum Optics and Technology
A post-doc position and a Ph.D. student position (both 4 years) on lattice optical clocks and relativistic geodesy. The activities concern the further development and subsequent operation of the strontium clock “SOC2” in the geodetic station Wettzell. During the ISS mission ACES the clock shall perform laser and microwave time transfer experiments between Wettzell and PTB Braunschweig. Details HERE. Apply to Prof. S. Schiller.
A Postdoc position is open in quantum technologies focusing on integrated microwave electronics for ion traps within the QuMIC project in the group of Christian Ospelkaus at the Leibniz University of Hannover, Germany. Details
Cold Molecular Physics Postdoc at University of Colorado/JILA, Boulder, CO. Contact Prof. Heather Lewandowski for further details.
Postdoctoral Research Associate and PhD positions are available on quantum simulation and sensing with large beryllium ion crystals at the University of Sydney. For details please contact Robert Wolf Details are here
You can also find postdoc positions in frequency metrology


Please sent information about your publications to

An optical atomic clock based on a highly charged ion
Steven A. King, Lukas J. Spieß, Peter Micke, Alexander Wilzewski, Tobias Leopold, Erik Benkler, Richard Lange, Nils Huntemann, Andrey Surzhykov, Vladimir A. Yerokhin, José R. Crespo López-Urrutia & Piet O. Schmidt
Nature 2 nov 2022

Boson sampling for generalized bosons
En-Jui Kuo, Yijia Xu, Dominik Hangleiter, Andrey Grankin, and Mohammad Hafezi
Phys. Rev. Research 4, 043096 (2022)

Coherent control of a local phonon in trapped ions using dynamical decoupling
Ryutaro Ohira, Shota Kume, and Kenji Toyoda
Phys. Rev. A 106, 042603 (2022)

Crosstalk Suppression in Individually Addressed Two-Qubit Gates in a Trapped-Ion Quantum Computer
Chao Fang, Ye Wang, Shilin Huang, Kenneth R. Brown, and Jungsang Kim
Phys. Rev. Lett. 129, 240504 (2022)

Disentangling polycationic fullerenes produced from glassy carbon with multireflection time-of-flight mass spectrometry
Paul Fischer and Lutz Schweikhard
Phys. Rev. Research 4, 043187 (2022)

Dynamical Hadron Formation in Long-Range Interacting Quantum Spin Chains
Joseph Vovrosh, Rick Mukherjee, Alvise Bastianello, and Johannes Knolle
PRX Quantum 3, 040309 (2022)

Effect of micromotion and local stress in quantum simulations with trapped ions in optical tweezers
Liam Bond, Lisa Lenstra, Rene Gerritsma, and Arghavan Safavi-Naini
Phys. Rev. A 106, 042612 (2022)

Effects of cavity birefringence in polarisation-encoded quantum networks
E Kassa, W Hughes, S Gao and J F Goodwin
New J. Phys. 25 013004 (2023)

Entanglement between a trapped-ion qubit and a 780-nm photon via quantum frequency conversion
John Hannegan, James D. Siverns, and Qudsia Quraishi
Phys. Rev. A 106, 042441 (2022)

Entanglement-enhanced optical atomic clocks
Simone Colombo, Edwin Pedrozo-Peñafiel and Vladan Vuletić
Appl. Phys. Lett. 121, 210502 (2022)

Feasibility study on ground-state cooling and single-phonon readout of trapped electrons using hybrid quantum systems
Alto Osada, Kento Taniguchi, Masato Shigefuji, and Atsushi Noguchi
Phys. Rev. Research 4, 033245 (2022)

Generative quantum learning of joint probability distribution functions
Elton Yechao Zhu, Sonika Johri, Dave Bacon, Mert Esencan, Jungsang Kim, Mark Muir, Nikhil Murgai, Jason Nguyen, Neal Pisenti, Adam Schouela, Ksenia Sosnova, and Ken Wright
Phys. Rev. Research 4, 043092 (2022)

Highly charged ion used in a new class of optical clock
02 November 2022

Improved bounds on Lorentz violation from composite pulse Ramsey spectroscopy in a trapped ion
Laura S. Dreissen, Chih-Han Yeh, Henning A. Fürst, Kai C. Grensemann & Tanja E. Mehlstäubler
Nature Communications volume 13, Article number: 7314 (2022)

Inline cryogenically cooled radio-frequency ion trap as a universal injector for cold ions into an electrostatic ion-beam storage ring: Probing and modeling the dynamics of rotational cooling of OH−
H. B. Pedersen, H. Juul, F. K. Mikkelsen, A. P. Rasmussen, and L. H. Andersen
Phys. Rev. A 106, 053111 (2022)

Leak-Out Spectroscopy, A Universal Method of Action Spectroscopy in Cold Ion Traps
Philipp C. Schmid, Oskar Asvany, Thomas Salomon, Sven Thorwirth, and Stephan Schlemmer
J. Phys. Chem. A, 126, 43, 8111–8117 (2022)

Mediated Interaction between Ions in Quantum Degenerate Gases
Shanshan Ding, Michael Drewsen, Jan J. Arlt, and G. M. Bruun

Phys. Rev. Lett. 129, 153401 (2022)

Multi-round QAOA and advanced mixers on a trapped-ion quantum computer
Yingyue Zhu, Zewen Zhang, Bhuvanesh Sundar, Alaina M Green, C Huerta Alderete, Nhung H Nguyen, Kaden R A Hazzard and Norbert M Linke
Quantum Sci. Technol. 8 015007 (2023)

Number-resolved detection of dark ions in Coulomb crystals
Fabian Schmid, Johannes Weitenberg, Jorge Moreno, Theodor W. Hänsch, Thomas Udem, and Akira Ozawa
Phys. Rev. A 106, L041101 (2022)

Resolved-sideband micromotion sensing in Yb+ on the 935 nm repump transition
Connor J. B. Goham and Joseph W. Britton
AIP Advances 12, 115315 (2022)

Scalable Quantum Logic Spectroscopy
Kaifeng Cui, Jose Valencia, Kevin T. Boyce, Ethan R. Clements, David R. Leibrandt, and David B. Hume
Phys. Rev. Lett. 129, 193603 (2022)

Simulating Dynamical Phases of Chiral p+ip Superconductors with a Trapped ion Magnet
Athreya Shankar, Emil A. Yuzbashyan, Victor Gurarie, Peter Zoller, John J. Bollinger, and Ana Maria Rey
PRX Quantum 3, 040324 (2022)

Testing standard-model extensions with isotope shifts in few-electron ions
V. Debierre, N. S. Oreshkina, I. A. Valuev, Z. Harman, and C. H. Keitel
Phys. Rev. A 106, 062801 (2022)

The General Purpose Ion Buncher: A radiofrequency quadrupole cooler-buncher for DESIR at SPIRAL2,
M. Gerbaux, P. Ascher, A. Husson, A. de Roubin, P. Alfaurt, M. Aouadi, B. Blank, L. Daudin, S. El Abbeir, M. Flayol, H. Guérin, S. Grévy, M. Hukkanen, B. Lachacinski, D. Lunney, S. Perard, B. Thomas.
Nucl. Instrum. Methods Phys. Res. A 1046 , 167631
The randomized measurement toolbox

Andreas Elben, Steven T. Flammia, Hsin-Yuan Huang, Richard Kueng, John Preskill, Benoît Vermersch & Peter Zoller

Nature Reviews Physics (2022)

Three-laser coherent population trapping in a multi-Λ system: Theory, experiment, and applications
Nicolás A. Nuñez Barreto, Martín Drechsler, and Christian T. Schmiegelow
Phys. Rev. A 106, 053708 (2022)


A phonon laser in the quantum regime
T. Behrle, T. L. Nguyen, F. Reiter, D. Baur, B. de Neeve, M. Stadler, M. Marinelli, F. Lancellotti, S. F. Yelin, J. P. Home

Anomalous diffusion in the Long-Range Haken-Strobl-Reineker model
Alberto Catalano, Francesco Mattiotti, Jérôme Dubail, David Hagenmüller, Fabio Franchini, Guido Pupillo

Characterization of Fast Ion Transport via Position-Dependent Optical Deshelving
Craig R. Clark, Creston D. Herold, James T. Merrill, Holly N. Tinkey, Wade Rellergert, Robert Clark, Roger Brown, Wesley D. Robertson, Curtis Volin, Kara Maller, Chris Shappert, Brian J. McMahon, Brian C. Sawyer, Kenton R. Brown

Digitized-counterdiabatic quantum factorization
Narendra N. Hegade, Enrique Solano

Digitized-Counterdiabatic Quantum Algorithm for Protein Folding
Pranav Chandarana, Narendra N. Hegade, Iraitz Montalban, Enrique Solano, Xi Chen

Enhanced tripartite interactions in spin-magnon-mechanical hybrid systems
Xin-Lei Hei, Peng-Bo Li, Xue-Feng Pan, Franco Nori

Enhancing quantum computer performance via symmetrization
Andrii Maksymov, Jason Nguyen, Yunseong Nam, Igor Markov

Extraction of spin-averaged rovibrational transition frequencies in HD+
Jean-Philippe Karr, Jeroen C. J. Koelemeij

Hybrid Trapping of 87Rb Atoms and Yb+ Ions in a Chip-Based Experimental Setup
Abasalt Bahrami, Matthias Müller, Ferdinand Schmidt-Kaler

Individual addressing of ion qubits with counter-propagating optical frequency combs
Evgeny Anikin, Lianna A. Akopyan, Mikhail Popov, Yelnury Suleimen, Olga Lakhmanskaya, Kirill Lakhmanskiy

Laser Cooling of Trapped Ions in Strongly Inhomogeneous Magnetic Fields
Richard Karl, Yanning Yin, Stefan Willitsch

Optimal control with a multidimensional quantum invariant
Modesto Orozco-Ruiz, Selwyn Simsek, Sahra A. Kulmiya, Samuel J. Hile, Winfried K. Hensinger, Florian Mintert

Oscillating nuclear charge radii as sensors for ultralight dark matter
Abhishek Banerjee, Dmitry Budker, Melina Filzinger, Nils Huntemann, Gil Paz, Gilad Perez, Sergey Porsev, Marianna Safronova

Precisely Modeling the Potential of a Surface Electrode Ion Trap
Qingqing Qin, Ting Chen, Xinfang Zhang, Baoquan Ou, Jie Zhang, Chunwang Wu, Yi Xie, Wei Wu, Pingxing Chen

Probing The Unitarity of Quantum Evolution Through Periodic Driving
Alaina M. Green, Tanmoy Pandit, C. Huerta Alderete, Norbert M. Linke, Raam Uzdin

Quadrupole transitions and quantum gates protected by continuous dynamic decoupling
V. J. Martínez-Lahuerta, L. Pelzer, K. Dietze, L. Krinner, P. O. Schmidt, K. Hammerer

Quantum-parallel vectorized data encodings and computations on trapped-ions and transmons QPUs
Jan Balewski, Mercy G. Amankwah, Roel Van Beeumen, E. Wes Bethel, Talita Perciano, Daan Camps

Quantum teleportation with full Bell-basis detection between a 40Ca+ ion and a single photon
Elena Arenskötter, Stephan Kucera, Omar Elshehy, Max Bergerhoff, Matthias Kreis, Jürgen Eschner

Realization of Scalable Cirac-Zoller Multi-Qubit Gates
Chao Fang, Ye Wang, Ke Sun, Jungsang Kim

Spatiotemporal Quenches in Long-Range Hamiltonians
Simon Bernier, Kartiek Agarwal

Strategies for practical advantage of fault-tolerant circuit design in noisy trapped-ion quantum computers
Sascha Heußen, Lukas Postler, Manuel Rispler, Ivan Pogorelov, Christian D. Marciniak, Thomas Monz, Philipp Schindler, Markus Müller

Systematic study of tunable laser cooling for trapped-ion experiments
A. P. Kulosa, O. N. Prudnikov, D. Vadlejch, H. A. Fürst, A. A. Kirpichnikova, A. V. Taichenachev, V. I. Yudin, T. E. Mehlstäubler

Thermal bistability in laser-cooled trapped ions
Adrien Poindron, Jofre Pedregosa-Gutierrez, Caroline Champenois

Towards Improved Quantum Simulations and Sensing with Trapped 2D Ion Crystals via Parametric Amplification
Matt Affolter, Wenchao Ge, Bryce Bullock, Shaun C. Burd, Kevin A. Gilmore, Jennifer F. Lilieholm, Alison L. Carter, John J. Bollinger

Trapped ions beyond carrier and sideband interactions
T. Tassis, F. L. Semião

Trapped Ion Quantum Computing using Optical Tweezers and the Magnus Effect
M. Mazzanti, R. Gerritsma, R. J. C. Spreeuw, A. Safavi-Naini

Trapping and ground-state cooling of H+2
N. Schwegler, D. Holzapfel, M. Stadler, A. Mitjans, I. Sergachev, J. P. Home, D. Kienzler

Witnessing entanglement in trapped-ion quantum error correction under realistic noise
Andrea Rodriguez-Blanco, Farid Shahandeh, Alejandro Bermudez


Copyright 2022 ITN | Published on behalf of the COST Action Trapped Ions: Progress in classical and quantum applications
Editorial team: Alejandro Bermudez, Martina Knoop

This email was sent to *|EMAIL|*

why did I get this?    unsubscribe from this list    update subscription preferences