Simultaneous bicolor interrogation in thulium optical clock providing very low systematic frequency shifts

There are continuous efforts in improving the stability and systematic shifts of optical clocks. Here the authors demonstrate thulium optical clock utilizing bicolor scheme involving interrogation of both hyperfine levels and they are able to cancel the quadratic Zeeman shift.

Bibliographic Details
Main Authors: Artem A. Golovizin, Dmitry O. Tregubov, Elena S. Fedorova, Denis A. Mishin, Daniil I. Provorchenko, Ksenia Yu. Khabarova, Vadim N. Sorokin, Nikolai N. Kolachevsky
Format: Article
Language:English
Published: Nature Publishing Group 2021-08-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-021-25396-8