Magic wavelengths of the Yb $(6{s}^{2}$ $^{1}S_{0}--6s6p$ $^{3}P_{1})$ intercombination transition

Magic wavelengths of the Yb $(6 s^{2}$ ${}^{1}S_{0} - 6 s 6 p$ ${}^{3}P_{1})$ intercombination transition

T. A. Zheng, Y. A. Yang, M. S. Safronova, U. I. Safronova, Zhuan-Xian Xiong, T. Xia, and Z.-T. Lu

Phys. Rev. A 102, 062805 – Published 2 December 2020

Abstract

We calculate and measure the magic wavelengths for the $6 s^{2} {}^{1}S_{0} - 6 s 6 p {}^{3}P_{1}$ intercombination transition of the neutral ytterbium atom. The calculation is performed with the ab initio configuration interaction $+$ all-order method. The measurement is done with laser spectroscopy on cold atoms in an optical dipole trap. The magic wavelengths are determined to be 1035.68(4) nm for the $π$ transition $(Δ m = 0)$ and 1036.12(3) nm for the $σ$ transitions $(| Δ m | = 1)$ in agreement with the calculated values. Laser cooling on the narrow intercombination transition could achieve better results for atoms in an optical dipole trap when the trap wavelength is tuned to near the magic wavelength.

Received 5 November 2020
Accepted 13 November 2020

DOI:https://doi.org/10.1103/PhysRevA.102.062805

Physics Subject Headings (PhySH)

Atomic spectra Stark effect

Polarizability

Atom & ion trapping & guiding

Atomic, Molecular & Optical

Authors & Affiliations

T. A. Zheng ¹, Y. A. Yang ¹, M. S. Safronova^2,3, U. I. Safronova⁴, Zhuan-Xian Xiong⁵, T. Xia ^1,*, and Z.-T. Lu ^1,†

¹Hefei National Laboratory for Physical Sciences at the Microscale, CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
²Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA
³Joint Quantum Institute, National Institute of Standards and Technology and the University of Maryland, Gaithersburg, Maryland 20899-8410, USA
⁴Physics Department, University of Nevada, Reno, Nevada 89557, USA
⁵Key Laboratory of Atomic Frequency Standards, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430071, People's Republic of China

^*txia1@ustc.edu.cn
^†ztlu@ustc.edu.cn

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Issue

Vol. 102, Iss. 6 — December 2020

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