Strong Interaction Between Light and a Single Trapped Atom Without a Cavity

Tey Meng Khoon; Zilong Chen; Zilong Chen; Syed Abdullah Aljunid; Brenda Chng; Gleb Maslennikov; Christian Kurtsiefer

Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
OSA Technical Digest (CD) (Optica Publishing Group, 2008),
paper QTuB6

Strong Interaction Between Light and a Single Trapped Atom Without a Cavity

Tey Meng Khoon, Zilong Chen, Syed Abdullah Aljunid, Brenda Chng, Gleb Maslennikov, and Christian Kurtsiefer

Quantum Electronics and Laser Science Conference 2008

San Jose, California United States
4–9 May 2008
ISBN: 978-1-55752-859-9

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Single Quantum Emitters (QTuB)

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T. M. Khoon, Z. Chen, S. A. Aljunid, B. Chng, G. Maslennikov, and C. Kurtsiefer, "Strong Interaction Between Light and a Single Trapped Atom Without a Cavity," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optica Publishing Group, 2008), paper QTuB6.

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Abstract

We measured the extinction of a focused light beam by a single ⁸⁷Rb atom localized in an optical dipole trap and found a value of 7.2% for a focused Gaussian beam resonantly interacting with an atomic two-level system. Various models describing interaction of an atom with a focused light field are compared to explain our experimental result. Our experiment suggests that a strong coupling may be achieved without cavity assistance. This opens new perspectives for a development of an efficient atom-photon interface for Quantum Information processing.

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