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Proceedings Paper

Single-atom absorption imaging
Author(s): E. W. Streed; A. Jechow; B. G. Norton; D. Kielpinski
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Paper Abstract

Absorption of light is a fundamental process in imaging. The optical properties of atoms are thoroughly understood, so a single atom is an ideal system for testing the quantum limits of absorption imaging. Here we report the first absorption imaging of a single isolated atom, the smallest and simplest system reported to date. Contrasts of up to 3.1(3)% were observed in images of a laser cooled 174Yb+ ion confined in vacuum by a radio-frequency Paul trap. This work establishes a new sensitivity bound for absorption imaging with a 7800x improvement over the contrast previously observed in imaging a single molecule.

Paper Details

Date Published: 23 February 2012
PDF: 6 pages
Proc. SPIE 8272, Advances in Photonics of Quantum Computing, Memory, and Communication V, 827216 (23 February 2012); doi: 10.1117/12.926837
Show Author Affiliations
E. W. Streed, Ctr. for Quantum Dynamics, Griffith Univ. (Australia)
A. Jechow, Ctr. for Quantum Dynamics, Griffith Univ. (Australia)
B. G. Norton, Ctr. for Quantum Dynamics, Griffith Univ. (Australia)
D. Kielpinski, Ctr. for Quantum Dynamics, Griffith Univ. (Australia)


Published in SPIE Proceedings Vol. 8272:
Advances in Photonics of Quantum Computing, Memory, and Communication V
Zameer Ul Hasan; Philip R. Hemmer; Hwang Lee; Charles M. Santori, Editor(s)

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