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Resonance fluorescence of a two-level atom in a feedback loop

  • Optics and Laser Physics
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Abstract

The resonance fluorescence spectrum of a two-level atom in a classical light field, whose phase is changed by a feedback system by π after the detection of each spontaneous photon, has been calculated. The spectrum resembles the well-known Rautian-Mollow triplet. However, the sidebands become sharply asymmetric at a nonzero frequency detuning of the light field from the atomic resonance transition. In addition, the spectrum retains the pronounced triplet shape even beyond the secular approximation, when the sidebands of the Rautian-Mollow structure become unresolved in the absence of the feedback.

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Authors and Affiliations

  1. Institute of Automation and Electrometry, Siberian Branch, Russian Academy of Sciences, Universitetskii pr. 1, Novosibirsk, 630090, Russia

    V. A. Tomilin & L. V. Il’ichov

  2. Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russia

    V. A. Tomilin & L. V. Il’ichov

Authors
  1. V. A. Tomilin
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  2. L. V. Il’ichov
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Correspondence to V. A. Tomilin.

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Original Russian Text © V.A. Tomilin, L.V. Il’ichov, 2011, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2011, Vol. 94, No. 9, pp. 734–737.

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Tomilin, V.A., Il’ichov, L.V. Resonance fluorescence of a two-level atom in a feedback loop. Jetp Lett. 94, 676–679 (2012). https://doi.org/10.1134/S0021364011210119

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  • DOI: https://doi.org/10.1134/S0021364011210119

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