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Kvantovaya Elektronika, 2016, Volume 46, Number 5, Pages 453–463 (Mi qe16385)  

This article is cited in 4 scientific papers (total in 4 papers)

Laser spectroscopy

New polarisation effects in saturated absorption spectroscopy in the field of counterpropagating light waves

D. V. Brazhnikovab, V. K. Novokreshchenova, S. M. Ignatovicha, A. V. Taichenachevab, V. I. Yudinacb

a Institute of Laser Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk
b Novosibirsk State University
c Novosibirsk State Technical University

Abstract: The effect of a double structure of saturated absorption resonance in the field of counterpropagating light waves interacting with atomic gas is considered, which was first studied experimentally and theoretically by Vasil'ev et al. [V.V. Vasil'ev et al., J. Exp. Theor. Phys., 112, 770 (2011)]. The effect manifests itself as a new nonlinear resonance formed as a peak in the absorption spectrum of the probe wave. The resonance is observed inside a 'conventional' dip in the spectrum of saturated absorption. Previously, this effect was theoretically described only in the frameworks of the two-level atomic model, i.e., without making allowance for degeneracy of atomic energy levels with respect to the projection of the total angular momentum and for the vector nature of light. We extend the theory of the effect to the case of real atomic systems with degenerate energy levels and arbitrary polarisations of light waves. In particular, on an example of the simple transition Fg = 1 → Fe = 0 we show that polarisation parameters of light waves may significantly affect the contrast of the new effect and the possibility of observing it at all. Conclusions of the work are confirmed both analytically and bnumerically.

Keywords: saturated absorption resonance, elliptical polarisation, quantum metrology, high-resolution spectroscopy, density matrix.

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English version:
Quantum Electronics, 2016, 46:5, 453–463

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Received: 07.12.2015

Citation: D. V. Brazhnikov, V. K. Novokreshchenov, S. M. Ignatovich, A. V. Taichenachev, V. I. Yudin, “New polarisation effects in saturated absorption spectroscopy in the field of counterpropagating light waves”, Kvantovaya Elektronika, 46:5 (2016), 453–463 [Quantum Electron., 46:5 (2016), 453–463]

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    Citing articles on Google Scholar: Russian citations, English citations
    Related articles on Google Scholar: Russian articles, English articles

    This publication is cited in the following articles:
    1. D. Brazhnikov, M. A. Hafiz, G. Coget, A. Taichenachev, V. Yudin, E. de Clercq, R. Boudot, 2017 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (Eftf/Ifc), Joint European Frequency and Time Forum and International Frequency Control Symposium, IEEE, 2017, 278–281  isi
    2. D. V. Brazhnikov, A. S. Novokreshchenov, Opt. Spectrosc., 122:4 (2017), 541–548  crossref  isi
    3. M. A. Hafiz, D. Brazhnikov, G. Coget, A. Taichenachev, V. Yudin, E. de Clercq, R. Boudot, New J. Phys., 19 (2017), 073028  crossref  isi
    4. Quantum Electron., 50:11 (2020), 1015–1022  mathnet  crossref  isi  elib
  • Квантовая электроника Quantum Electronics
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