Foreword

Dear Ion Trappers,

We’re truly grateful for the ongoing engagement from the iontrap community, who keep the conversation lively by sharing their latest news, events, jobs, publications, and editorials. Visit the ITN-Website (https://iontraps.net/) where you can download the current and archived issues and send us your submissions and events directly using the forms. Please continue to send us your thoughts; your contributions make our newsletter vibrant and enriching.

Events

IEEE QCNC 2026 – Quantum Communications, Networking & Computing

April 6–8, 2026

Kobe, Japan

 

EFTF 2026 – European Frequency and Time Forum

April 20–23, 2026

ESA ESTEC, Noordwijk, Netherlands

 

Asian Conference on Trapped Ions 2026 (ACTI 2026)

April 20–22, 2026

Singapore

 

CLEO 2026 – Conference on Lasers and Electro-Optics

May 17–21, 2026

Charlotte, North Carolina, USA

Technical Conference: May 19–20, 2026

 

International Conference on Precision Physics of Simple Atomic Systems (PSAS)

May 18–22, 2026

Vienna, Austria

 

57th Conference of the European Group on Atomic Systems (EGAS57)

June 21–25, 2026

Toruń, Poland

 

ICAP 2026 – International Conference on Atomic Physics

June 14–19, 2026

Wuhan, China

 

ICAP Satellite Meeting: Fundamental Constants and Physics Beyond the Standard Model

June 22–24, 2026

Hefei, China

 

YAO 2026 – Young Atom Opticians Conference

June 7–13, 2026

Crete, Greece

 

14th European Frequency and Time Seminar (EFTS)

June 29 – July 3, 2026

Besançon, France

 

30th Central European Workshop on Quantum Optics (CEWQO30)

July 20–24, 2026

Erlangen, Germany

 

Quantum Computing User Forum 2026

July 20–24, 2026

Oak Ridge, USA

 

Quantum Science Gordon Research Conference

July 26–31, 2026

Easton, Massachusetts, USA

 

QSim2026 – Quantum Simulation Conference

August 10–14, 2026

Amsterdam, Netherlands

 

Early Career Conference in Trapped Ions (ECCTI) 2026

September 6–11, 2026

Oxford, United Kingdom

 

HCI 2026 – International Conference on the Physics of Highly Charged Ions

September 7–11, 2026

Huizhou, China

 

TCP2026 – Conference on Trapped Charged Particles and Fundamental Physics

September 13–18, 2026

Location TBA

 

German Conference on Women in Physics 2026

September 28–30, 2026

RPTU Kaiserslautern, Germany

 

Les Houches School on Cold Atoms and Ions: Measurement and Dissipation

October 26 – November 6, 2026

Les Houches, France

Jobs

Postdoc position in theoretical astrophysics at the Technische Universität Braunschweig, Germany. The position is initially available for 1.5 years.

https://www.tu-braunschweig.de/en/theophys/vacancies

 

Postdoc Position on Photonic Integrated Ion Traps available at the University of Hannover / Physikalisch-Technische Bundesanstalt.

https://www.quantummetrology.de/quaccs/home/

A postdoc position is available in the Ion Trap Quantum Computing group at the ETH Zürich–PSI Quantum Computing Hub.

https://www.psi.ch/en/hr/job-opportunities/74416-postdoctoral-fellow-in-ion-trap-quantum-computing

 

 

Staff Scientist (Tenure Track) – Ion Trap Quantum Computing

A tenure-track staff scientist position is available in the Ion Trap Quantum Computing group at the ETH Zürich–PSI Quantum Computing Hub.

ETH Zürich – PSI Quantum Computing Hub, Switzerland

https://www.psi.ch/en/hr/job-opportunities/74174-scientist-tenure-track-in-ion-trap-quantum-computing-80-100

 

Senior Scientist – Quantum Science (Trapped Ions / Rydberg Systems)

U.S. Army Research Laboratory (ARL), College Park, MD, USA

The Quantum Science Branch at ARL is seeking an experimental researcher to lead a basic research program in trapped-ion quantum science or Rydberg-based quantum sensing. This is a full-time, on-site position. U.S. citizenship is required. Applications will be accepted until the position is filled, with first consideration given to applications received by June 1, 2026.

Contact: joseph.w.britton5.civ@army.mil (reference: search2026irpi)

Publications
Composite Mølmer-Sørensen gate

K.N. Zlatanov, S.S. Ivanov, and N.V. Vitanov

Phys. Rev. Applied 25, 034069 (2026)

 

Decoding three-dimensional color codes with boundaries

Friederike Butt, Lars Esser, and Markus Müller

Phys. Rev. A 113, 042416 (2026)

 

Development of a compact cryogenic Penning trap with permanent magnets: An intermediate step toward the Shanghai Penning Trap

Tianhang Zhang, Jiawei Wang, Jialin Liu, Jingtian Wei, Jiaxuan Ji, Jifei Wu, Zichen Su, Yiming Xie, Liangyu Huang, Ke Yao, Yang Shen, Yaming Zou, Baoren Wei, Bingsheng Tu

Journal: Review of Scientific Instruments

Rev. Sci. Instrum. 97, 033203 (2026)

 

Efficient optical configurations for trapped-ion entangling gates

Aditya Milind Kolhatkar and Karan K. Mehta

Phys. Rev. A 113, 042424 (2026)

 

High-fidelity entanglement of metastable trapped-ion qubits with integrated erasure conversion

A. Quinn, G. J. Gregory, I. D. Moore, S. Brudney, J. Metzner, E. R. Ritchie, J. O’Reilly, D. J. Wineland, and D. T. C. Allcock

Phys. Rev. A 113, L040601 (2026) –

 

Improved strategies for fermionic quantum simulation with global interactions

Thierry N. Kaldenbach, Erik Schultheis, Niklas Stewen & Gabriel Breuil

npj Quantum Information volume 12, Article number: 54 (2026)

 

 

Influence of the rf drive frequency on ion-atom collisions in a hybrid trap

Fei Wang, Wei-Chen Liang, Wei-Bo Yin, Jing-Yu Qian, Feng-Dong Jia, Ping Xue, and Zhi-Ping Zhong

Phys. Rev. A 113, 043105 (2026)

 

Ion-trap chip architecture optimized for the implementation of quantum error-correcting codes

Jeonghoon Lee, Hyeongjun Jeon, and Taehyun Kim

Phys. Rev. A 113, 032432 (2026)

 

Line search by quantum logic spectroscopy enhanced with squeezing and statistical tests

Ivan Vybornyi, Shuying Chen, Lukas J. Spieß, Piet O. Schmidt, and Klemens Hammerer

Phys. Rev. A 113, 042613 (2026)

 

Measurement of lifetime, hyperfine splitting, and Landé 𝑔𝐽 factor of the 2 𝐹 5/2 state in 171 Yb +

Pavel Sidorov, Pavel A. Kamenskikh, Ilya S. Gerasin, Aleksandr S. Borisenko, Ilia V. Zalivako, Ilya A. Semerikov, Ksenia Yu. Khabarova, and Nikolay N. Kolachevsky

Phys. Rev. A 113, 042812 (2026) –

 

Observing octupolar charge orders and their transition dynamics in Coulomb clusters

Akhil Ayyadevara, Anand Prakash, Shovan Dutta, Arun Paramekanti, and S. A. Rangwala

Phys. Rev. Research 8, L012066 (2026)

 

Phase estimation with compressed controlled time evolution

Erenay Karacan

Phys. Rev. A 113, 042420 (2026)

 

Probing high-frequency gravitational waves with entangled vibrational qubits in linear Paul traps

Ryoto Takai

Phys. Rev. D 113, 082002 (2026)

 

Quantum memristors: Towards scalable quantum neuromorphic architectures with coupling

Sergey Stremoukhov, Pavel Forsh, Anna Frolova, Ilya Kovalishin, Daniil Rusakov, Marat Shakirov, Ksenia Khabarova, and Nikolay Kolachevsky

Phys. Rev. A 113, 032619 (2026)

 

Rapid all-optical loading of trapped ions using a miniaturized atom source

L. Versini, T.F. Wohlers-Reichel, C.E.J. Challoner, T. Hinde, A.D. Rao, W.J. Hughes, P. Drmota, T.H. Doherty, L.J. Stephenson, J.A. Blackmore, and J.F. Goodwin

Phys. Rev. Applied 25, 044022 (2026)

 

Scalable entangling gates on ion qubits via structured light addressing

XUEYING MAI HTTPS://ORCID.ORG/0009-0009-5329-6056, LIYUN ZHANG, QINYANG YU, JUNHUA ZHANG

SCIENCE ADVANCES 1 Apr 2026 Vol 12, Issue 14

 

Sympathetic-laser-cooling ion microwave frequency standard with accuracy and stability at 10−15 level

Ying Zheng, Shengnan Miao, Yiting Chen, Wenxin Shi, Jianwei Zhang, and Lijun Wang

Phys. Rev. A 113, 033114 (2026)

 

Trapping of electrons and 40 Ca + ions in a dual-frequency Paul trap

Vladimir Mikhailovskii, Natalija Sheth, Guofeng Qu, Michal Hejduk, Niklas Vilhelm Lausti, K. T. Satyajith, Christian Smorra, Günther Werth, Neha Yadav, Qian Yu, Clemens Matthiesen, Hartmut Häffner, Ferdinand Schmidt-Kaler, Hendrik Bekker, and Dmitry Budker

Phys. Rev. A 113, 043102 (2026)

PreprintsAdiabatic Ramsey Interferometry for Measuring Weak Nonlinearities with Super-Heisenberg Precision

Authors: Venelin P. Pavlov, Bogomila S. Nikolova, Peter A. Ivanov

 

A High Motional Frequency Ion Trapping Regime for Quantum Information Science

Authors: A. J. Rasmusson

 

A multi-ion optical clock with 5×10−19 uncertainty

Authors: Melina Filzinger, Martin R. Steinel, Jian Jiang, Daniel Bennett, Tanja E. Mehlstäubler, Ekkehard Peik, Nils Huntemann

 

A spectropolarimeter for vacuum-ultraviolet emission lines

Authors: Nobuyuki Nakamura, Ryohko Ishikawa, Motoshi Goto

 

Adaptive Parallelism-Aware Qubit Routing for Ion Trap QCCD Architectures

Authors: Anabel Ovide, Andreu Angles-Castillo, Carmen G. Almudever

 

Barium Magnesium Alloy as Source of Atomic Ba for Ion Trapping

Authors: Jane Gunnell, Thomas Griffiths, Boris B. Blinov

 

Benchmarking Dual-Polarization Silicon Nitride Photonic Integrated Circuits for Trapped-Ion Quantum Technologies

Authors: Carl-Frederik Grimpe, Anastasiia Lüßmann-Sorokina, Guochun Du, Pragya Sah, Steffen Sauer, Elena Jordan, Rijil Thomas, Pascal Gehrmann, Maksim Lipkin, Stephan Suckow, Max C. Lemme, Stefanie Kroker, Tanja E. Mehlstäubler

 

Benchmarking Quantum Computers via Protocols — Comparing Superconducting and Ion-Trap Quantum Technology

Authors: Nitay Mayo, Tal Mor, Yossi Weinstein

 

Beyond-Ten-Hour Coherence in a Decoherence-Free Trapped-Ion Clock Qubit

Authors: Jiahao Pi, Xiangjia Liu, Junle Cao, Pengfei Wang, Lingfeng Ou, Erfu Gao, Hengchao Tu, Menglin Zou, Xiang Zhang, Junhua Zhang, Kihwan Kim

 

Characterization of rf field-induced a.c. Zeeman shift in multi-level highly charged ions

Authors: Shuying Chen, Lukas J. Spieß, Alexander Wilzewski, Malte Wehrheim, José R. Crespo López-Urrutia, Piet O. Schmidt

 

Continuous-time evolution via probabilistic angle interpolation and its applications

Authors: Tomoya Hayata, Yuta Kikuchi

 

Design and implementation of a modular laser system for AMO experiments

Authors: Klara Theophilo, Scott J Thomas, Georgina Croft, Yashna N D Lekhai, Alexander Owens, Daisy R H Smith, Silpa Muralidharan, Cameron Deans

 

Digital Predistortion of Optical Fields for Fast and High-Fidelity Entangling Gates in Trapped-Ion Qubits

Authors: Jovan Markov, Yotam Shapira, Ayelet Hasson, Meir Alon, Avraham Gross, Nitzan Akerman, Roee Ozeri

 

Experimental Demonstration of a Brachistochrone Nonadiabatic Holonomic Quantum-Gate Scheme in a Trapped Ion

Authors: Xi Wang, Hui Ren, L. -N. Sun, K. -F. Cui, J. -T. Bu, S. -L. Su, L. -L. Yan, G. Chen

 

Extending the fundamental limit of atomic clock stability

Authors: Ravid Shaniv, Ayush Agrawal, David B. Hume

 

Lemniscate phase trajectories for high-fidelity GHZ state preparation in trapped-ion chains

Authors: Evgeny V. Anikin, Andrey Chuchalin, Dimitrii Donchenko, Olga Lakhmanskaya, Kirill Lakhmanskiy

 

Local robust shadows on a trapped ion computer — a case study

Authors: Jadwiga Wilkens, Milena Guevara-Bertsch, Marwa Marso, Mederika Zangerl, Albert Frisch, Florian Girtler, Juris Ulmanis, Ingo Roth, Richard Kueng

 

Logarithmic-depth quantum state preparation of polynomials

Authors: Baptiste Claudon, Alexis Lucas, Jean-Philip Piquemal, César Feniou, Julien Zylberman

 

Monolithic Segmented 3D Ion Trap for Quantum Technology Applications

Authors: Abhishek Menon, Michael Straus, George Tomaras, Liam Jeanette, April X. Sheffield, Devon Valdez, Yuanheng Xie, Visal So, De Luo, Midhuna Duraisamy Suganthi, Mark Dugan, Philippe Bado, Norbert M. Linke, Guido Pagano, Roman Zhuravel

 

 

Nonequilibrium from Equilibrium: Chiral Current-Carrying States in the Spin-1 Babujian-Takhtajan Chain

Authors: Bahar Jafari-Zadeh, Chenan Wei, Hrachya M. Babujian, Tigran A. Sedrakyan

 

Nonlocal Games as Cross-Platform Quantum Benchmarks: Exceeding unconditional classical bounds on trapped-ion processors

Authors: Anton T. Than, Jim Furches, Debopriyo Biswas, Sarah Chehade, Kathleen Hamilton, Bahaa Harraz, Xingxin Liu, De Luo, Keqin Yan, Yichao Yu, Vivian Ni Zhang, Liudmila A. Zhukas, Alaina M. Green, Alexander Kozhanov, Christopher Monroe, Crystal Noel, Carlos Ortiz Marrero, Norbert M. Linke

 

Novel permanent magnet array geometries for scalable trapped-ion quantum computing in a laser-free entanglement architecture

Authors: Mitchell G. Peaks

 

Numerically Optimizing Shortcuts to Adiabaticity: A Hybrid Control Strategy

Authors: Bo Xing, Jesús G. Parejo, Sofía Martínez-Garaot, Paola Cappellaro, Mikel Palmero

 

Observation of genuine 2+1D string dynamics in a U(1) lattice gauge theory with a tunable plaquette term on a trapped-ion quantum computer

Authors: Rohan Joshi, Yizhuo Tian, Kevin Hemery, N. S. Srivatsa, Jesse J. Osborne, Henrik Dreyer, Enrico Rinaldi, Jad C. Halimeh

 

Observation of glueball excitations and string breaking in a 2+1D Z2 lattice gauge theory on a trapped-ion quantum computer

Authors: Kaidi Xu, Umberto Borla, Kevin Hemery, Rohan Joshi, Henrik Dreyer, Enrico Rinaldi, Jad C. Halimeh

 

Optimal measurement-based quantum thermal machines in a finite-size system

Authors: Chinonso Onah, Obinna Uzoh, Obinna Abah

 

Precision spectroscopy of a trapped 173Yb+ ion using a bath of ultracold atoms

Authors: Egor Kovlakov, Rene Gerritsma

 

Probing excited-state quantum phase transitions with trapped cold ions

Authors: Marek Kuchař, Michal Macek

 

Towards End-to-End Quantum Estimation of Non-Hermitian Pseudospectra

Authors: Gengzhi Yang, Jiaqi Leng, Xiaodi Wu, Lin Lin