Characteristics of single-atom trapping in a magneto-optical trap with a high magnetic-field gradient

Seokchan Yoon, Youngwoon Choi, Sangbum Park, Wangxi Ji, Jai Hyung Lee, Kyungwon An

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A quantitative study on characteristics of a magneto-optical trap with a single or a few atoms is presented. A very small number of 85Rb atoms were trapped in a micron-size magneto-optical trap with a high magnetic-field gradient. In order to find the optimum condition for a single-atom trap, we have investigated how the number of atoms and the size of atomic cloud change as various experimental parameters, such as a magnetic-field gradient and the trapping laser intensity and detuning. The averaged number of atoms was measured very accurately with a calibration procedure based on the single-atom saturation curve of resonance fluorescence. In addition, the number of atoms in a trap could be controlled by suppressing stochastic loading events by means of a real-time active feedback on the magnetic-field gradient.

Original languageEnglish
Article number012046
JournalJournal of Physics: Conference Series
Volume80
Issue number1
DOIs
Publication statusPublished - 2007 Sep 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Fingerprint Dive into the research topics of 'Characteristics of single-atom trapping in a magneto-optical trap with a high magnetic-field gradient'. Together they form a unique fingerprint.

  • Cite this