Work

Purely optical macroscopic trap for alkaline-earth and similar atoms

Year: 2026

Type: article

Abstract: We consider laser cooling and trapping of alkaline-earth and similar atoms in a bichromatic field resonant to a closed optical transition 1S0→1P1 or 1S0→3P1. It is shown that new kinetic effects emerge compared to monochromatic fields, enabling the formation of a deep macroscopic trap capable of capturing and cooling neutral atoms to sub-Doppler temperatures. Such a purely optical macroscopic trap can serve as an alternative to the well-known magneto-optical trap and can be used in applications requiring minimization of the magnetic field in the cold atom cloud region. The obtained results are of interest for the new generation of quantum sensors and optical frequency standards.

Source: Journal of Applied Physics

DOI: 10.1063/5.0310814

Authors: O. N. Prudnikov, V. I. Yudin, R. Ya. Ilenkov, A. V. Taichenachev

Institutions: Novosibirsk State University, Institute of Laser Physics, Novosibirsk State Technical University

Language: English

Topic: Cold Atom Physics and Bose-Einstein Condensates

Subfield: Atomic and Molecular Physics, and Optics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: hybrid

Estimated APC paid: $3,500

Funder: Russian Science Foundation