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Florian Schreck
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PhD on Continuous Optical Clock University of Amsterdam in Netherlands
Degree Level
PhD
Field of study
Experimental Physics
Funding
Temporary PhD contract for 4 years, with gross monthly salary from €3,204 to €4,051 (Scale P), plus 8% holiday allowance and 8.3% year-end allowance.
Deadline
Jan 31, 2027
Country
Netherlands
University
University of Amsterdam
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About this position
The Ultracold Strontium Group at the University of Amsterdam’s Institute of Physics is recruiting a PhD researcher to help build and operate a zero-deadtime optical clock. The project focuses on overcoming the pulsed operation of current optical clocks by enabling continuous interrogation of ultracold strontium atoms, with the goal of reaching ultimate precision in minutes rather than hours.
You will work on a highly experimental project that combines laser systems, optics, electronics, debugging, data taking, upgrades to complex machines, data analysis, literature research, and article writing. The setup uses a continuous ultracold Sr source feeding four clock interrogation zones within a single vacuum chamber, so that clock interrogation can continue while other zones are reloaded. This is an ambitious machine-building project aimed at creating a continuously operating optical clock based on technology developed by the group for continuous Bose-Einstein condensation.
The position sits within the Strontium Quantum Gases Group, part of the Quantum Gases & Quantum Information cluster at the Van der Waals-Zeeman Institute, itself part of the Institute of Physics in the Faculty of Science. The group is led by Prof. Dr. Florian Schreck and works on ultracold Sr gases for quantum sensing, many-body physics, and quantum computing. The wider research environment includes related work on continuous superradiant lasers, optical time and frequency distribution, atom interferometers, quantum simulation with Rb-Sr mixtures, single Sr atoms in optical tweezer arrays, and improved optical technology, offering a broad and lively AMO physics setting.
The project is also embedded in the Quantum Delta NL Ultracold Atom Quantum Sensing Testbed, connecting the work to a broader network of quantum-sensing and optical-clock developments.
Funding details
Temporary PhD contract for 4 years, with gross monthly salary from €3,204 to €4,051 (Scale P), plus 8% holiday allowance and 8.3% year-end allowance.
What's required
A recent master’s degree in experimental ultracold atom or trapped ion physics is required. Applicants should have great teamwork skills, initiative, good time management, and good oral and written English communication skills.
How to apply
Apply online via the application button on the advert and send your materials by email to Florian Schreck. Submit a detailed CV (with months for education and work experience), a motivation letter, a publication list, and the names and email addresses of two referees in one single PDF file for all documents except the CV.
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Professors
Prof. Dr. at University of Amsterdam
Netherlands
Research Interests
Electronics
Quantum Sensing
Physics
Atomic Physics
Experimental Physics
Make your next move.
Prepare your application
Review drafts and confirm requirements with the university.