Advances in Atomic Clocks I

Presentations

• Comparison of two ¹⁷⁶Lu⁺ optical frequency references having 1x10⁻¹⁹ systematic uncertainty with 5.3 × 10^-19 precision 

  ORAL · Invited

  June 3, 2026, 8:00 AM – June 3, 2026, 8:30 AM

  Presenters

  • Murray Barrett

    • CQT & Nat. Univ. of Singapore

  Authors

  • Murray Barrett

    • CQT & Nat. Univ. of Singapore

  • Kyle J Arnold

    • Center for Quantum Technologies

  • Michael D Lee

    • Center for Quantum Technologies

  • Qi Zhao

    • Center for Quantum Technologies

  • Qin Qichen

    • Center for Quantum Technologies

  • Zhang Zhao

    • Center for Quantum Technologies

  • Nakarin Jayjong

    • Center for Quantum Technologies

  View abstract →

• Continuous longitudinal Rabi spectroscopy on clock atoms transported in a moving optical lattice

  ORAL · Invited

  June 3, 2026, 8:30 AM – June 3, 2026, 9:00 AM

  Presenters

  • Hidetoshi Katori

    • Univ of Tokyo

  Authors

  • Hidetoshi Katori

    • Univ of Tokyo

  View abstract →

• Spin-squeezed clock precision beyond the standard quantum limit at the 10^-18 level

  ORAL

  June 3, 2026, 9:00 AM – June 3, 2026, 9:12 AM

  Publication: Y. A. Yang et al., Phys. Rev. Lett. 135, 193202 (2025)

  Presenters

  • Yang Yang

    • JILA, University of Colorado Boulder

  Authors

  • Yang Yang

    • JILA, University of Colorado Boulder

  • Maya Miklos

    • JILA, University of Colorado Boulder

  • Yee Ming Tso

    • JILA, University of Colorado Boulder

  • Stella Kraus

    • JILA, University of Colorado Boulder

  • Joonseok Hur

    • JILA, University of Colorado Boulder

  • Jun Ye

    • JILA, University of Colorado Boulder
    • JILA
    • JILA, NIST and University of Colorado Boulder

  View abstract →

• A GR redshift test between optical lattice clocks on the peaks and plains of Colorado 

  ORAL

  June 3, 2026, 9:12 AM – June 3, 2026, 9:24 AM

  Presenters

  • Roger C Brown

    • National Institute of Standards and Technology Boulder

  Authors

  • Roger C Brown

    • National Institute of Standards and Technology Boulder

  • Emily D Caldwell

    • National Institute of Standards and Technology
    • NIST

  • Christopher D Dennis

    • National Institute of Standards and Technology
    • NIST

  • Jean-Daniel Deschenes

    • Octosig Consulting

  • Scott Diddams

    • University of Colorado, Boulder

  • Fabrizio R Giorgetta

    • National Institute of Standards and Technology
    • NIST

  • Tanner Grogan

    • NIST
    • National Institute of Standards and Technology (NIST)

  • Adam Halaoui

    • National Institute of Standards and Technology
    • NIST

  • Benjamin D Hunt

    • National Institute of Standards and Technology
    • NIST

  • Andrew D Ludlow

    • NIST
    • National Institute of Standards and Technology (NIST)

  • Harikesh Ranganath

    • National Institute of Standards and Technology
    • NIST
    • National Institute of Standards and Technology (NIST)

  • Laura C Sinclair

    • National Institute of Standards and Technology
    • NIST

  • William C Swann

    • National Institute of Standards and Technology
    • NIST

  • Eric W Swiler

    • National Institute of Standards and Technology
    • NIST

  • Theodora M Triano

    • University of Colorado, Boulder

  • Skyler C Weight

    • University of Colorado, Boulder

  • Derek Van Westrum

    • National Oceanic and Atmospheric Administration
    • NOAA

  • Tsung-Han Wu

    • University of Colorado, Boulder

  View abstract →

• Direct comparison of multi-ion optical clocks based on ⁴⁰Ca⁺ and ⁸⁸Sr⁺

  ORAL

  June 3, 2026, 9:24 AM – June 3, 2026, 9:36 AM

  Publication: The paper is in the process.

  Presenters

  • Nitzan Akerman

    • Weizmann Institute of Science

  Authors

  • Nitzan Akerman

    • Weizmann Institute of Science

  • Yosef Sokolik

    • Weizmann Institute of Science

  • Roee Ozeri

    • Weizmann Institute of Science

  View abstract →

• Magnetic Dipolar Broadening in Fluorine-Based Solid-State ²²⁹Th Nuclear Clocks

  ORAL

  June 3, 2026, 9:36 AM – June 3, 2026, 9:48 AM

  Presenters

  • Igor M Savukov

    • Los Alamos National Laboratory (LANL)

  Authors

  • Igor M Savukov

    • Los Alamos National Laboratory (LANL)

  • Daniel A Rehn

    • LANL

  • Andrei P Derevianko

    • University of Nevada, Reno

  View abstract →

• When the Nucleus Meets the Solid: Nuclear–Electronic Interactions in Thorium-229 Nuclear Solid-State Clocks

  ORAL

  June 3, 2026, 9:48 AM – June 3, 2026, 10:00 AM

  Publication: 1.) Constraining the Evolution of the Fundamental Constants with a Solid-State Optical Frequency Reference Based on the 229Th Nucleus - Rellergert et al.
  2.) Theory of Internal Conversion of the 229Th Nuclear Isomer in Solid-State Hosts - Morgan et al.
  3.) Host-Dependent Frequency Offsets in 229Th Nuclear Clockwork - Perera et al.
  4.) Photoinduced quenching of the 229Th isomer in a solid-state host - Terhune et al.
  5.) Laser-based conversion electron Mössbauer spectroscopy of 229ThO2 - Elwell et al.

  Presenters

  • James Terhune

    • University of California, Los Angeles

  Authors

  • James Terhune

    • University of California, Los Angeles

  • Ricky Elwell

    • University of California, Los Angeles

  • Christian Schneider

    • California State University, Los Angeles

  • Justin Jeet

    • Lawrence Livermore National Laboratory

  • Wade Rellergert

    • University of California, Los Angeles

  • Harry Morgan

    • University of Manchester

  • Udeshika Chathurangani Perera

    • Mississippi State University
    • University of Nevada, Reno

  • Hoang Bao Tran Tan

    • University of Nevada, Reno

  • Anastassia Alexandrova

    • UCLA
    • University of California, Los Angeles

  • Andrei P Derevianko

    • University of Nevada, Reno

  • Eric R. Hudson

    • University of California, Los Angeles

  View abstract →