Magic wavelength at 477 nm for the strontium clock transition

2025/07/06 by Xiaoxue Ma, Swarup Das, Ma, Xinyuan +5 · 1 citation
Physics and Astronomy · #Advanced Frequency and Time Standards #Atomic Physics (physics.atom-ph) #Atomic and Subatomic Physics Research #Cold Atom Physics and Bose-Einstein Condensates #FOS: Physical sciences

paper · pdf · doi:10.48550/arxiv.2507.04532

openalex publication_date 2025/07/06 · openalex created_date 2025/10/20 · openalex updated_date 2026/08/02

Abstract

We report the experimental measurement of a magic wavelength at 476.82362(8) nm for the 88Sr clock transition. The magic wavelength is determined through AC-Stark shift spectroscopy of atoms in an optical dipole trap. The value slightly deviates from the theoretical prediction by 0.061(54) nm. This magic wavelength, being shorter than the common one at 813 nm, will be important for applications such as Bragg pulses for matter-wave interferometry involving both clock states. This work also paves the way for quantum simulation with a shorter lattice.

Citations

• Turquoise Magic Wavelength of the ⁸⁷Sr Clock Transition
• JILA SrI optical lattice clock with uncertainty of 2.0 × 10 − 18
• Quantum formulation of the Einstein Equivalence Principle
• Spin-1/2 Optical Lattice Clock

Cited by

• ⁸⁸Sr Reference Data

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