Ion-based nondestructive sensor for cavity photon numbers
Quantum Physics
2019-04-24 v1 Atomic Physics
Optics
Abstract
We dispersively couple a single trapped ion to an optical cavity to extract information about the cavity photon-number distribution in a nondestructive way. The photon-number-dependent AC-Stark shift experienced by the ion is measured via Ramsey spectroscopy. We use these measurements first to obtain the ion-cavity interaction strength. Next, we reconstruct the cavity photon-number distribution for coherent states and for a state with mixed thermal-coherent statistics, finding overlaps above 99% with the calibrated states.
Keywords
Cite
@article{arxiv.1810.13340,
title = {Ion-based nondestructive sensor for cavity photon numbers},
author = {Moonjoo Lee and Konstantin Friebe and Dario A. Fioretto and Klemens Schüppert and Florian R. Ong and David Plankensteiner and Valentin Torggler and Helmut Ritsch and Rainer Blatt and Tracy E. Northup},
journal= {arXiv preprint arXiv:1810.13340},
year = {2019}
}
Comments
Manuscript: 6 pages, 4 figures. Supplemental Material: 5 pages, 2 figures