Florian Schreck

Postdoc opportunity at the University of Amsterdam in the Ultracold Strontium Group / Strontium Quantum Gases Group within the Institute of Physics, Faculty of Science. The project focuses on quantum simulation and quantum computing with single Sr atoms in optical tweezers , with research directions including 3D spin systems, spin dynamics on fractals, qudits, ultracold atom experiments, and related AMO physics. The role involves experimental work on the tweezer machine, debugging, data taking, designing and constructing upgrades, data analysis, literature research, article writing, and contributing to funding acquisition. The group is led by Prof. Dr. Florian Schreck and is embedded in the QDNL KAT-1 Neutral Atom Quantum Computing team, with collaboration with TU/e and links to Quantum Delta NL activities. Eligibility highlights: a recent PhD in experimental ultracold atom or trapped ion physics , strong teamwork, initiative, management skills, and good English communication. The position is a 24-month postdoc contract at 38 hours/week. Salary is €3,546–€5,538 gross per month plus holiday allowance and year-end bonus; the 30% ruling may apply to non-Dutch applicants. Deadline: 30 September 2026 . Apply online through the vacancy page and include a CV with months, motivation letter, publication list, and two referees’ names and email addresses in the requested format.

PhD opportunity in Continuous Optical Clock at the University of Amsterdam , Faculty of Science, Institute of Physics, in the Ultracold Strontium Group led by Prof. Dr. Florian Schreck . The project focuses on optical clocks , ultracold atoms , strontium , and AMO physics . You will help build a zero-deadtime, continuously operating optical clock using a continuous ultracold Sr source and multiple interrogation zones. The work includes integrating laser systems, optics, electronics, debugging, data taking, upgrades, data analysis, literature research, and article writing. The position is embedded in a lively international research environment and connected to broader quantum technology activities, including quantum sensing, continuous Bose-Einstein condensation, optical time/frequency distribution, and related quantum technology collaborations. Eligibility highlights: a recent master’s degree in experimental ultracold atom or trapped ion physics, strong teamwork, initiative, good time management, and good oral/written English. The role also includes teaching support for bachelor and master students and participation in group activities and outreach. Funding and contract: temporary PhD contract for 4 years total (initial 18 months, then extension after satisfactory evaluation), 38 hours/week. Salary ranges from €3,204 to €4,051 gross per month (Scale P), excluding holiday allowance and year-end bonus. A 30% ruling may apply to non-Dutch applicants. Application: apply online via the vacancy page and send materials by email to Florian Schreck. Required documents include a detailed CV, motivation letter, publication list, and names/emails of two referees. The vacancy closes on 2026-09-30 .