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Squeezing in resonance fluorescence and Schrödinger's uncertainty relation

Author

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  • Arnoldus, Henk F.
  • George, Thomas F.

Abstract

Resonance fluorescence can exhibit squeezing in its quadrature components. Historically, this squeezing is defined with respect to Heisenberg's uncertainty relation, but when the lower limit on the uncertainty product becomes state dependent, this concept becomes rather artificial. Schrödinger's uncertainty relation sets a higher lower bound on the uncertainty product when the two observables are correlated. In the steady state both limits are nearly equal, but for pulsed excitation they can differ considerably. It is shown that after excitation with a π/2 or π pulse, the fluorescence is never squeezed. The squeezing is optimum for a π/3 or 2π/3 pulse, and is a factor of two better than for the best case in the steady state. If the inversion is zero after the pulse, then the fluctuations in the quadrature field are considerably below the Schrödinger limit, but the field is never squeezed below the Heisenberg limit.

Suggested Citation

  • Arnoldus, Henk F. & George, Thomas F., 1995. "Squeezing in resonance fluorescence and Schrödinger's uncertainty relation," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 222(1), pages 330-346.
    • Handle: RePEc:eee:phsmap:v:222:y:1995:i:1:p:330-346
    DOI: 10.1016/0378-4371(95)00200-6
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    References listed on IDEAS

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    1. Bénédicte Reynaud-Cressent, 1985. "Structures industrielles et segmentation du marché du travail : théorie radicale et nouveau structuralisme," Revue d'Économie Industrielle, Programme National Persée, vol. 33(1), pages 16-32.
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    Cited by:

    1. Sales, J.S. & de Almeida, N.G., 2013. "Dynamic statistical properties of squeezed coherent state superpositions," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 392(16), pages 3308-3315.

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