JILA PFC Homepage

A new superradiant laser design for next-generation “active” atomic clocks that eliminates atom-heating and vibration sensitivity
An Atomic Clock That Stays Cool and Can Rock and Roll Without Losing Time

Researchers at JILA propose a new superradiant laser design for next-generation “active” atomic clocks that eliminates atom-heating and vibration sensitivity, two major obstacles that have limited precision and…

A Crystalline Coated 6cm Silicon Cavity
Breaking The Laser Stability Record Using New Crystalline Mirrors

JILA researchers, working with collaborators in Germany, demonstrated that new crystalline mirror coatings dramatically reduce atomic-level noise in optical cavities, enabling lasers with record‑breaking frequency…

Artistic representation of a 29Th nucleus hosted inside a CaF2 crystal
Nuclear Clockwork: Experiments Highlight Reproducibility of Nuclear Transition Frequency

JILA researchers have taken a major step toward realizing next‑generation nuclear clocks by studying how thorium‑doped crystals behave over time. In new experiments published in Nature, the team tracked the…

Narrowline Laser Cooling and Spectroscopy of Molecules via Stark States
Narrowing In: Cooling Molecules with Light Like Never Before

In a study published in Physical Review X Quantum, a team led by JILA and NIST Fellow and University of Colorado Boulder physics…

Interstellar formation of PAHs terminates at C6H5+
JILA Researchers Overturn 25-Year-Old Explanation of Benzene Formation in Space

JILA Fellow and University of Colorado Boulder Physics Professor Heather Lewandowski and members of her lab have shattered a 25-year-old theory about how benzene forms in the interstellar medium, revealing that the…

3 Body Interaction
JILA Collaboration Makes Cavity Quantum Electrodynamics into a Team Sport

For the past several years, an experimental research group led by JILA Fellow James Thompson and a theoretical research group led by JILA…

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Major Activities

JILA PFC Partnerships

FIU logo.FIU-JILA Partnership for Research and Education in Physics: https://fiujilaprep.fiu.edu/Student-faculty exchange diagram.
 

An NSF-sponsored partnership between FIU Physics and JILA Physics Frontier Center (PFC) for research excellence and diversity in Atomic, Molecular, and Optical (AMO) Physics. Click diagram for a larger image.

Latest News

Google Quantum AI has named JILA Fellow Adam Kaufman to lead a new neutral atom quantum computing hardware team, marking a major expansion of its quantum research program. Kaufman will continue his research at JILA and CU Boulder, strengthening JILA’s leadership and impact in national and international quantum science.

  

Recent Publications

Frequency reproducibility of solid-state thorium-229 nuclear clocks
1 T.. Ooi, J.. Doyle, C.. Zhang, J.S. Higgins, J.. Ye, K.. Beeks, T.. Sikorsky, and T.. Schumm, Nature 650, (2026).
Investigators: Jun Ye
Frequency Stability of 2.5 x 10^-17 from a Si Cavity with AlGaAs Crystalline Mirrors
1 D.. Lee, Z.. Hu, B.. Lewis, A.. Aeppli, K.. Kim, Z.. Yao, T.. Legero, D.. Nicolodi, F.. Riehle, U.. Sterr, and J.. Ye, Phys. Rev. Lett. 136, (2026).
Investigators: Jun Ye
High-Stability Mechanical Frequency Sensing beyond the Linear Regime
1 S.. Brown, R.. Shaniv, R.. Zhang, C.. Reetz, and C.. Regal, Nano Letters 26, (2026).
Investigators: Cindy Regal
Quantum simulation of the Dicke model in a two-dimensional ion crystal: chaos, quantum thermalization, and revivals
1 B.. Bullock, S.R. Muleady, J.. Lilieholm, Y.. Zhang, A.. Safavi-Naini, R.J. Lewis-Swan, J.J. Bollinger, A.M. Rey, and A.. Carter, (2026).
Investigators: Ana Maria Rey
Solitons in Arbitrary Dimensions Stabilized by Photon-Mediated Interactions
1 H.. Zhang, A.. Chu, C.. Luo, J.K. Thompson, and A.M. Rey, Phys. Rev. Lett. 135, (2025).
Investigators: Ana Maria Rey | James Thompson
Realization of three- and four-body interactions between momentum states in a cavity
1 C.. Luo, H.. Zhang, C.. Maruko, E.. Bohr, A.. Chu, A.M. Rey, and J.K. Thompson, Science 390, (2025).
Investigators: James Thompson | Ana Maria Rey