Direct measurement of the Wigner time delay for the scattering of light by a single atom

R. Bourgain; J. Pellegrino; S. Jennewein; Y. R.P. Sortais; A. Browaeys

doi:10.1364/OL.38.001963

Direct measurement of the Wigner time delay for the scattering of light by a single atom

R. Bourgain, J. Pellegrino, S. Jennewein, Y. R.P. Sortais, A. Browaeys

Laboratoire Charles Fabry

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

Abstract

We have implemented the Gedanken experiment of an individual atom scattering a wave packet of near-resonant light, and measured the associated Wigner time delay as a function of the frequency of the light. In our apparatus, the atom behaves as a two-level system and we have found delays as large as 42 ns at resonance, limited by the lifetime of the excited state. This delay is an important parameter in the problem of collective near-resonant scattering by an ensemble of interacting particles, which is encountered in many areas of physics.

Original language	English
Pages (from-to)	1963-1965
Number of pages	3
Journal	Optics Letters
Volume	38
Issue number	11
DOIs	https://doi.org/10.1364/OL.38.001963
Publication status	Published - 1 Jun 2013
Externally published	Yes

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abstract = "We have implemented the Gedanken experiment of an individual atom scattering a wave packet of near-resonant light, and measured the associated Wigner time delay as a function of the frequency of the light. In our apparatus, the atom behaves as a two-level system and we have found delays as large as 42 ns at resonance, limited by the lifetime of the excited state. This delay is an important parameter in the problem of collective near-resonant scattering by an ensemble of interacting particles, which is encountered in many areas of physics.",

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AU - Bourgain, R.

AU - Pellegrino, J.

AU - Jennewein, S.

AU - Sortais, Y. R.P.

AU - Browaeys, A.

PY - 2013/6/1

Y1 - 2013/6/1

N2 - We have implemented the Gedanken experiment of an individual atom scattering a wave packet of near-resonant light, and measured the associated Wigner time delay as a function of the frequency of the light. In our apparatus, the atom behaves as a two-level system and we have found delays as large as 42 ns at resonance, limited by the lifetime of the excited state. This delay is an important parameter in the problem of collective near-resonant scattering by an ensemble of interacting particles, which is encountered in many areas of physics.

AB - We have implemented the Gedanken experiment of an individual atom scattering a wave packet of near-resonant light, and measured the associated Wigner time delay as a function of the frequency of the light. In our apparatus, the atom behaves as a two-level system and we have found delays as large as 42 ns at resonance, limited by the lifetime of the excited state. This delay is an important parameter in the problem of collective near-resonant scattering by an ensemble of interacting particles, which is encountered in many areas of physics.

U2 - 10.1364/OL.38.001963

DO - 10.1364/OL.38.001963

M3 - Article

AN - SCOPUS:84878668479

SN - 0146-9592

VL - 38

SP - 1963

EP - 1965

JO - Optics Letters

JF - Optics Letters

IS - 11

ER -

Direct measurement of the Wigner time delay for the scattering of light by a single atom

Abstract

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