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Dialing in the Temperature Needed for Precise Nuclear Timekeeping

A thorium-doped calcium fluoride crystal's temperature is continually monitored while a VUV frequency comb is used to directly resolve individual quantum states of the nuclear transition.

Using Frequency Combs to Detect Molecules in Your Breath

An artist's depiction of the frequency comb's molecular detection in vapor

Sneaky Clocks: Uncovering Einstein’s Relativity in an Interacting Atomic Playground

An optical lattice clock)embedded in the curved spacetime formed by the earth’s gravity. Dynamical interplay between photon-mediated interactions and gravitational redshift can lead to entanglement generation and frequency synchronization dynamics.

Quantum Billiard Balls: Digging Deeper into Light-Assisted Atomic Collisions

Exploiting the hyperfine structure in repulsive light-assisted collisions (LAC) on a 87-Rubidium atom pair in an optical tweezer. 

Tracking Magnetic Field Directions Using Tiny Atomic Compasses

Cells with around 100 billion rubidium atoms are exposed to microwave signals, which help to determine the atoms' magnetic fields

Making a Leap by Using “Another State to Entangle”

Schematic of the multi-level atomic array structure used in this study

JILA Fellow and NIST Physicist and CU Boulder Physics Professor Adam Kaufman Honored with Prestigious PECASE Award

Submitted by kennac on Tue, 01/14/2025 - 3:10 pm
JILA Fellow and NIST Physicist and CU Boulder Physics professor Adam Kaufman
  • Read more about JILA Fellow and NIST Physicist and CU Boulder Physics Professor Adam Kaufman Honored with Prestigious PECASE Award

JILA Associate Fellow and CU Boulder Physics Assistant Professor Shuo Sun Receives NSF CAREER Award for Quantum Internet Research

Submitted by kennac on Mon, 12/23/2024 - 2:16 pm
JILA Associate Fellow Shuo Sun
  • Read more about JILA Associate Fellow and CU Boulder Physics Assistant Professor Shuo Sun Receives NSF CAREER Award for Quantum Internet Research

Building a Safer and More Affordable Nuclear Clock

A schematic of the deposition process, as thorium ions get vaporized then deposited in a thin film on the substrate's surface.

JILA and NIST Fellow and University of Colorado Physics Professor Jun Ye Recognized as 2024 Highly Cited Researcher

Submitted by kennac on Fri, 12/06/2024 - 2:57 pm
JILA and NIST Fellow and CU Boulder physics professor Jun Ye has been awarded a 2024 Highly Cited Researcher status by Clarivate
  • Read more about JILA and NIST Fellow and University of Colorado Physics Professor Jun Ye Recognized as 2024 Highly Cited Researcher

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About Our Sponsor: The National Science Foundation (NSF)

Physics Frontiers Centers (PFCs)

NSF logo.The Physics Frontiers Centers (PFC) program supports university-based centers and institutes where the collective efforts of a larger group of individuals can enable transformational advances in the most promising research areas. The program is designed to foster major breakthroughs at the intellectual frontiers of physics by providing needed resources such as combinations of talents, skills, disciplines, and/or specialized infrastructure, not usually available to individual investigators or small groups, in an environment in which the collective efforts of the larger group can be shown to be seminal to promoting significant progress in the science and the education of students. PFCs also include creative, substantive activities aimed at enhancing education, broadening participation of traditionally underrepresented groups, and outreach to the scientific community and general public. Read more about this program at the NSF website.

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