ITN Newsletter – June 2020

ITN Newsletter – June 2020

The last few months have been challenging, with not many news from the labs. However, the ever-growing international ion trap company population has been very successful in funding, awards and press coverage. We'll try to follow this rapid evolution, but for those who need their information faster, do not hesitate to subscribe to our Twitter account @tipicqa which closely follows @Ion_busters and other fore-front ion trappers.

Dear all,
The last few months have been challenging, with not many news from the labs. However, the ever-growing international ion trap company population has been very successful in funding, awards and press coverage. We’ll try to follow this rapid evolution, but for those who need their information faster, do not hesitate to subscribe to our Twitter account @tipicqa which closely follows @Ion_busters and other fore-front ion trappers.
Your editorial team


On Thursday, 25 June 2020, Peter Toschek, one of the pioneers of ion trapping, has passed way. Peter Toschek has demonstrated laser cooling of ions in 1978, and observed the first individual ions in 1980. He has been very present in the ion trapping community for many decades. For his many important contributions, Peter Toschek was awarded the Herbert-Walther Award in 2015. More

Special issue ” Trapped Ion Quantum Information“. Guest editor: Erik Torrontegui. Details

An upcoming topical collection in Physical Chemistry Chemical Physics PCCP Quantum Computing and Quantum Information Storage is open until 30 July 2020. Details

Special Issue in Applied Sciences (Open Access Journal): “Optical Trapping of Ions and Atoms 2020: Novel Advances and Prospects“, now open for submissions.
Guest Editors:  Tobias Schätz, Vladan Vuletic, Michael Drewsen, Jonathan Home, Leon Karpa        Details

EPJ QT special issue: “Quantum Metrology & Quantum Enhanced Measurement“. Submissions are accepted from now until 30 June 2021. Details

Online seminars

Virtual Seminar on Precision Physics and Fundamental Symmetries 2020
an initiative for the precision physics and quantum information community every Thursday   LINK
The Virtual AMO Seminar ( Fridays, 7pm (UTC) 
The “Quantum Science Seminar” ( Thursdays, 5pm


Please be aware that there might be last-minute cancellations

26th Young Atom Optician (YAO) conference to be held in Aarhus, Denmark POSTPONED to 17-21 August 2020 . LINK

52nd EGAS conference,  in Zagreb, Croatia POSTPONED to 5-9 July 2021

European Conference on Trapped Ions (ECTI), Djurönäset, Sweden, POSTPONED

CANCELLED – 13th International Workshop on Non-Neutral Plasmas, Milano, Italy, 13-16 July 2020 LINK

27th International Conference on Atomic Physics (ICAP) in Toronto, Canada, POSTPONED to 17-22 July 2022 LINK

CANCELLED – CCMI 2020 – Cold and Controlled Molecules and Ions, 6 – 11 September 2020, Durham University, UK, LINK

WInter School on Physics with Trapped Charged Particles, Les Houches (France) from January 25 – February 5th, 2021. Our 4th edition is open for registration ! LINK

“PARTICLE & AMO PHYSICISTS DISCUSSING QUANTUM SENSORS AND NEW PHYSICS” will be held at the Munich Institute for Astro- and Particle Physics (MIAPP) in Garching, Germany, from 1st to 26th March 2021.

25th ICOLS, Estes Park, Colorado/USA, 20-25 June 2021


A post-doc position on 3-photon CPT resonances is available in the ion trapping group in Marseille, France. For more information please contact Caroline Champenois,

A postdoc position is available in the group of Stefan Willitsch (University of Basel, Switzerland). The project focuses on the study of cold ion-neutral interactions using hybrid trapping techniques.  Details

A new ion trap experiment is looking for a postdoc! There is an open position in ion trap cavity QED in Okinawa, Japan. Details

A postdoc position in quantum metrology with trapped ions is available in the Ion Storage Group (Boulder, Colorado). For details please contact . More information available here.

Postdoc position available on “Shortcut-Enhanced Quantum Thermodynamics” in the groupof Andreas Ruschhaupt in University College Cork, Cork, Ireland. Details

A PhD position available on “Shortcut-Enhanced Quantum Thermodynamics” in the groupof Andreas Ruschhaupt in University College Cork, Cork, Ireland. Details

A postdoc position on ultrastable lasers is available at SYRTE, Paris. LINK

A postdoc position at Rice University in the group of Guido Pagano. LINK

PTB offers new PostDoc and PhD positions for physicists or engineers to develop and produce integrated ion traps within our Quantum Technology Center. Please contact Tanja Mehlstäubler for further details.

A postdoc position in the Ultracold Quantum Molecular Systems Group at the University of Warsaw in Poland Details

A PhD position on spectroscopy of silicon clusters. LINK

Fully funded PhD studentships available in Swansea (collaboration work at CERN). LINK
A postdoctoral opening on storage ring technologies for quantum computing. Job id 1989 on the BNL careers site. The job description can be found here. For more information please email Kevin Brown,


You can also find postdoc positions in frequency metrology, cold atoms and quantum information


Please sent informations about your publications to

A Paul trap with sectored ring electrodes for experiments with two-dimensional ion crystals
M. K. Ivory, A. Kato, A. Hasanzadeh, and B. B. Blinov
Review of Scientific Instruments 91, 053201 (2020)

Ab initio electronic structure of the Sr2 + molecular ion
Michał Śmiałkowski, Tatiana Korona and Michał Tomza
J. Phys. B: At. Mol. Opt. Phys. 53 135303

Action spectra of chiral secondary structure
Perdita Barran
Science 26 Jun 2020 : 1426-1427

Adaptive characterization of spatially inhomogeneous fields and errors in qubit registers
Riddhi Swaroop Gupta, Claire L. Edmunds, Alistair R. Milne, Cornelius Hempel & Michael J. Biercuk –
npj Quantum Information 6 , 1–10 (2020)

Branching fractions for P3/2 decays in Ba+
Zhiqiang Zhang, K. J. Arnold, S. R. Chanu, R. Kaewuam, M. S. Safronova, and M. D. Barrett
Phys. Rev. A 101, 062515 (2020)

Cold Atoms and Molecules
a BOOK by Masatoshi Kajita
IOP Science June 2020

Controlling the rf phase error induced micromotion in Paul trap
Ting Chen, Wei Wu, Yi Xie, Jie Zhang, Baoquan Ou, Chunwang Wu & Pingxing Chen
Applied Physics B volume 126, Article number: 102 (2020)

Direct reconstruction of the quantum-master-equation dynamics of a trapped-ion qubit
Eitan Ben Av, Yotam Shapira, Nitzan Akerman, and Roee Ozeri
Phys. Rev. A 101, 062305 (2020)

Double-ionization mechanisms of magnesium driven by electron impact
S. Mittal, J. Dubois, C. Chandre, and T. Uzer
Phys. Rev. A 101, 062707 (2020)

Efficient arbitrary simultaneously entangling gates on a trapped-ion quantum computer
Nikodem Grzesiak, Reinhold Blümel, Kenneth Wright, Kristin M. Beck, Neal C. Pisenti, Ming Li, Vandiver Chaplin, Jason M. Amini, Shantanu Debnath, Jwo-Sy Chen & Yunseong Nam – Show fewer authors
Nature Communications 11 , 1–6 (2020)

Electron-impact recombination and excitation rates for charge-state-selected highly charged Si ions
E. Lindroth, I. Orban, S. Trotsenko, and R. Schuch
Phys. Rev. A 101, 062706 (2020)

Envelope-Driven Recollisions Triggered by an Elliptically Polarized Pulse
J. Dubois, C. Chandre, and T. Uzer
Phys. Rev. Lett. 124, 253203 (2020)

EUV spectroscopy of highly charged Sn13+−Sn15+ ions in an electron-beam ion trap
J. Scheers, C. Shah, A. Ryabtsev, H. Bekker, F. Torretti, J. Sheil, D. A. Czapski, J. C. Berengut, W. Ubachs, J. R. Crespo López-Urrutia, R. Hoekstra, and O. O. Versolato
Phys. Rev. A 101, 062511 (2020)

Fabrication of optical nanofibre-based cavities using focussed ion-beam milling: a review
Priscila Romagnoli, Maki Maeda, Jonathan M. Ward, Viet Giang Truong & Síle Nic Chormaic
Applied Physics B volume 126, Article number: 111 (2020)

Heat-flow reversal in a trapped-ion simulator
P. U. Medina González, I. Ramos-Prieto, and B. M. Rodríguez-Lara
Phys. Rev. A 101, 062108 (2020)

Mass-resolved electronic circular dichroism ion spectroscopy
Steven Daly, Frédéric Rosu, Valérie Gabelica
Science 26 Jun 2020 : 1465-1468

Measurements of linear polarization of satellite transitions from Li- and Be-like Ar ions
A C Gall, Dipti, S W Buechele, S Sanders, C I Szabo, R Silwal, Yu Ralchenko, N Brickhouse and E Takacs
J. Phys. B: At. Mol. Opt. Phys. 53 145004 (2020)

Narrow-band hard-x-ray lasing with highly charged ions
Chunhai Lyu, Stefano M. Cavaletto, Christoph H. Keitel & Zoltán Harman
Scientific Reports 10 , 1–14 (2020)

Optical control of atom-ion collisions using a Rydberg state
Limei Wang, Markus Deiß, Georg Raithel and Johannes Hecker Denschlag
J. Phys. B: At. Mol. Opt. Phys. 53 134005 (2020)

Prospects in rare-gas hydride ions for terahertz frequency standards
Masatoshi Kajita and Naoki Kimura
J. Phys. B: At. Mol. Opt. Phys. 53 135401 (2020)

Quantum Information Scrambling in a Trapped-Ion Quantum Simulator with Tunable Range Interactions
Manoj K. Joshi, Andreas Elben, Benoît Vermersch, Tiff Brydges, Christine Maier, Peter Zoller, Rainer Blatt, and Christian F. Roos
Phys. Rev. Lett. 124, 240505 (2020)

Robust dynamical exchange cooling with trapped ions
Tobias Sägesser, Roland Matt, Robin Oswald and Jonathan P. Home
New Journal of Physics (2020)

Spectroscopic analysis of N-intrashell transitions in Rb-like to Ni-like Yb ions
Dipti , R Silwal, J M Dreiling, S C Sanders, E Takacs and Yu Ralchenko
J. Phys. B: At. Mol. Opt. Phys. 53 145002 (2020)

Spectroscopy of short-lived radioactive molecules
R. F. Garcia Ruiz, R. Berger, J. Billowes, C. L. Binnersley, M. L. Bissell, A. A. Breier, A. J. Brinson, K. Chrysalidis, T. E. Cocolios, B. S. Cooper, K. T. Flanagan, T. F. Giesen, R. P. de Groote, S. Franchoo, F. P. Gustafsson, T. A. Isaev, Á. Koszorús, G. Neyens, H. A. Perrett, C. M. Ricketts, S. Rothe, L. Schweikhard, A. R. Vernon, K. D. A. Wendt, F. Wienholtz, S. G. Wilkins & X. F. Yang
Nature 581 , 396–400 (2020)

Trapped-ion Fock-state preparation by potential deformation
M. A. Simón, M. Palmero, S. Martínez-Garaot, and J. G. Muga
Phys. Rev. Research 2, 023372 (2020)

Vibrational Excitation Hindering an Ion-Molecule Reaction: The c−C3H2+−H2 Collision Complex
Charles R. Markus, Oskar Asvany, Thomas Salomon, Philipp C. Schmid, Sandra Brünken, Filippo Lipparini, Jürgen Gauss, and Stephan Schlemmer
Phys. Rev. Lett. 124, 233401 (2020)


Canonical Construction of Quantum Oracles
Austin Gilliam, Marco Pistoia, Constantin Gonciulea

Charged particle guiding and beam splitting with auto-ponderomotive potentials on a chip
Robert Zimmermann, Michael Seidling, Peter Hommelhoff

Coherent excitation of the highly forbidden electric octupole transition in 172Yb+
Henning A. Fürst, Chih-Han Yeh, Dimitri Kalincev, André P. Kulosa, Laura S. Dreissen, Richard Lange, Erik Benkler, Nils Huntemann, Ekkehard Peik, Tanja E. Mehlstäubler

Coherent suppression of tensor frequency shifts through magnetic field rotation
R. Lange, N. Huntemann, C. Sanner, H. Shao, B. Lipphardt, Chr. Tamm, E. Peik

Continuous-variable assisted thermal quantum simulation
Dan-Bo Zhang, Guo-Qing Zhang, Zheng-Yuan Xue, Shi-Liang Zhu, Z. D. Wang

Controlling the nature of a charged impurity in a bath of Feshbach dimers
Henrik Hirzler, Eleanor Trimby, Rianne S. Lous, Gerrit C. Groenenboom, Rene Gerritsma, Jesús Pérez-Ríos

Cold collisions of C−2 anions with Li and Rb atoms in hybrid traps
M. Kas, J. Liévin, N. Vaeck, J. Loreau

Entangling logical qubits with lattice surgery
Alexander Erhard, Hendrik Poulsen Nautrup, Michael Meth, Lukas Postler, Roman Stricker, Martin Ringbauer, Philipp Schindler, Hans J. Briegel, Rainer Blatt, Nicolai Friis, Thomas Monz

Experimental Realization of Nonadiabatic Holonomic Single-qubit Quantum Gates with Optimal Control in a Trapped Ion
Ming-Zhong Ai, Sai Li, Zhibo Hou, Ran He, Zhong-Hua Qian, Zheng-Yuan Xue, Jin-Ming Cui, Yun-Feng Huang, Chuan-Feng Li, Guang-Can Guo

Gigahertz acousto-optic modulation and frequency shifting on etchless lithium niobate integrated platform
Zejie Yu, Xiankai Sun

High-Fidelity Simultaneous Detection of Trapped Ion Qubit Register
Liudmila A. Zhukas, Peter Svihra, Andrei Nomerotski, Boris B. Blinov

Ion getter pumps
C. Maccarrone, P. Manassero, C. Paolini

Laser stabilisation to neutral Yb in a discharge with polarization enhanced frequency modulation spectroscopy
Valdis Blums, Jordan Scarabel, Kenji Shimizu, Moji Ghadimi, Steven C. Connell, Sylvi Händel, Benjamin G. Norton, Elizabeth M. Bridge, David Kielpinski, Mirko Lobino, Erik W. Streed

Improved access to the fine-structure constant with the simplest atomic systems
H. Cakir, N. S. Oreshkina, I. A. Valuev, V. Debierre, V. A. Yerokhin, C. H. Keitel, Z. Harman

Photon-mediated entanglement scheme between a ZnO semiconductor defect and a trapped Yb ion
Jennifer F. Lilieholm, Vasilis Niaouris, Alexander Kato, Kai-Mei C. Fu, Boris B. Blinov

Polarization-gradient cooling of 1D and 2D ion Coulomb crystals
M. K. Joshi, A. Fabre, C. Maier, T. Brydges, D. Kiesenhofer, H. Hainzer, R. Blatt, C. F. Roos

Probing many-body localization on a noisy quantum computer
D. Zhu, S. Johri, N. H. Nguyen, C. Huerta Alderete, K. A. Landsman, N. M. Linke, C. Monroe, A. Y. Matsuura

Rydberg spectrum of a single trapped Ca+ ion: A Floquet analysis
Mariusz Pawlak, H. R. Sadeghpour

Semi-device-dependent blind quantum tomography
Ingo Roth, Jadwiga Wilkens, Dominik Hangleiter, Jens Eisert

Studies of thorium and ytterbium ion trap loading from laser ablation for gravity monitoring with nuclear clocks
Marcin Piotrowski, Jordan Scarabel, Mirko Lobino, Erik Streed, Stephen Gensemer

The Panopticon device: an integrated Paul-trap-hemispherical mirror system for quantum optics
Gabriel Araneda, Giovanni Cerchiari, Daniel B. Higginbottom, Philip Holz, Kirill Lakhmanskiy, Petr Obšil, Yves Colombe, Rainer Blatt

Copyright 2020 ITN | Published on behalf of the COST Action Trapped Ions: Progress in classical and quantum applications
Editorial team: Alejandro Bermudez, Martina Knoop

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