Cancellation of light-shifts in an N-resonance clock
Optics
2009-11-11 v1 Atomic Physics
Abstract
We demonstrate that first-order light-shifts can be cancelled for an all-optical, three-photon-absorption resonance ("N-resonance") on the D1 transition of Rb87. This light-shift cancellation enables improved frequency stability for an N-resonance clock. For example, using a table-top apparatus designed for N-resonance spectroscopy, we measured a short-term fractional frequency stability (Allan deviation) 1.5e-11 tau^(-1/2) for observation times 1s< tau < 50s. Further improvements in frequency stability should be possible with an apparatus designed as a dedicated N-resonance clock.
Keywords
Cite
@article{arxiv.physics/0509104,
title = {Cancellation of light-shifts in an N-resonance clock},
author = {Irina Novikova and Alexei V. Taichenachev and Valery I. Yudin and David F. Phillips and Alexander S. Zibrov and Ronald L. Walsworth},
journal= {arXiv preprint arXiv:physics/0509104},
year = {2009}
}
Comments
4 pages, 4 figures