Definitive number of atoms on demand: Controlling the number of atoms in a few-atom magneto-optical trap

Seokchan Yoon; Youngwoon Choi; Sangbum Park; Jaisoon Kim; Jai Hyung Lee; Kyungwon An

doi:10.1063/1.2206118

Definitive number of atoms on demand: Controlling the number of atoms in a few-atom magneto-optical trap

Seokchan Yoon, Youngwoon Choi, Sangbum Park, Jaisoon Kim, Jai Hyung Lee, Kyungwon An

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

Abstract

A few Rb85 atoms were trapped in a micron-size magneto-optical trap with a high quadrupole magnetic-field gradient and the number of atoms was precisely controlled by suppressing stochastic loading and loss events via real-time feedback on the magnetic-field gradient. The measured occupation probability of a single atom was as high as 99%. Atoms up to five were also trapped with high occupation probabilities. The present technique could be used to make a deterministic atom source.

Original language	English
Article number	211104
Journal	Applied Physics Letters
Volume	88
Issue number	21
DOIs	https://doi.org/10.1063/1.2206118
Publication status	Published - 2006 May 21

Bibliographical note

Funding Information:
This work was supported by Korea Research Foundation grant (KRF-2005-070-C00058), KOSEF grant (NRL-2005-01371) and grant from the Korean Ministry of Science and Technology.

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "A few Rb85 atoms were trapped in a micron-size magneto-optical trap with a high quadrupole magnetic-field gradient and the number of atoms was precisely controlled by suppressing stochastic loading and loss events via real-time feedback on the magnetic-field gradient. The measured occupation probability of a single atom was as high as 99%. Atoms up to five were also trapped with high occupation probabilities. The present technique could be used to make a deterministic atom source.",

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AU - Park, Sangbum

AU - Kim, Jaisoon

AU - Lee, Jai Hyung

AU - An, Kyungwon

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AB - A few Rb85 atoms were trapped in a micron-size magneto-optical trap with a high quadrupole magnetic-field gradient and the number of atoms was precisely controlled by suppressing stochastic loading and loss events via real-time feedback on the magnetic-field gradient. The measured occupation probability of a single atom was as high as 99%. Atoms up to five were also trapped with high occupation probabilities. The present technique could be used to make a deterministic atom source.

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Definitive number of atoms on demand: Controlling the number of atoms in a few-atom magneto-optical trap

Abstract

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