Quantum Gases & Quantum Information · Van der Waals–Zeeman Institute · Institute of Physics · University of AmsterdamContact

Ultracold strontium for quantum science & technology

We make atoms colder than anything in nature, then put them to work: from continuous Bose–Einstein condensates to optical clocks that never stop ticking.

About the lab

We cool strontium (and rubidium) atoms to a few billionths of a degree above absolute zero. At these temperatures, quantum mechanics shapes everything the atoms do. Strontium's narrow optical transitions, long-lived excited states and large nuclear spin let us create new states of matter, build better clocks and lasers, and assemble quantum devices atom by atom.

Each experiment is a home-built machine filling half a lab to a whole lab, run by a team of PhD students and postdocs. The lab is part of the Quantum Gases & Quantum Information cluster of the Van der Waals–Zeeman Institute at the University of Amsterdam.

9experiments & projects
4principal investigators
1stcontinuous BEC (Nature 2022)

Research

Quantum gases & simulation

Continuous Bose–Einstein condensates and atom lasers, Rb–Sr mixtures, and single atoms in tweezer arrays as quantum simulators.

Continuous quantum sensing

Sensors that never stop measuring: superradiant lasers, an active optical clock, a clock without dead time, and continuous atom interferometry.

Time & frequency

The Dutch node of the European optical time and frequency distribution network.

Clock technology

A transportable optical clock built with industry, and our optical circuit board spin-off.

A look inside our labs

Team discussion in the labBlue laser systemOpticsTwo PhD students with a prototypeControl room

More photos →

Vacancies

  • Postdoc on stable optical circuits for quantum technology
  • Research engineer laser and optical systems
  • Postdoc on continuously operating optical clocks
  • Postdoc on quantum simulation and computing with single Sr atoms in optical tweezers
  • PhD position on a continuous optical clock
  • Master projects & internships
All vacancies

Principal investigators

Philippe BouyerPhilippe BouyerAtom interferometry
Klaasjan van DrutenKlaasjan van DrutenQuantum gases & mixtures
Florian SchreckFlorian SchreckStrontium quantum gases, clocks & lasers
Robert SpreeuwRobert SpreeuwOptical tweezers for atoms & ions

Meet the whole team →