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<p>We discuss the nonclassical properties of photon-subtracted compass states (PSCS). Nonclassical behavior is studied using various parameters like the Wigner function, squeezing, and photon statistical parameters like Mandel’s <i>Q</i>-function, second-order correlation function, Agarwal-Tara <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="10773_2025_5938_Article_IEq1.gif" Format="GIF" Height="16" Rendition="HTML" Resolution="72" Type="Linedraw" Width="20" /> </InlineMediaObject> <EquationSource Format="TEX">\(A_3\)</EquationSource> <EquationSource Format="MATHML"><math> <msub> <mi>A</mi> <mn>3</mn> </msub> </math></EquationSource> </InlineEquation> criterion, and photon number distribution. Further analysis is being done to investigate the sub-Planck structures in the Wigner functions of these PSCS. We also show that the photon subtraction doesn’t cause the loss of sensitivity due to displacement of the states in phase space.</p>

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Nonclassicality and Sub-Planck Structures of Photon Subtracted Compass States

  • 期刊论文

  • 发表日期：

    2025年3月1日

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  • Amit Das,
  • Sobhan Sounda

摘要

We discuss the nonclassical properties of photon-subtracted compass states (PSCS). Nonclassical behavior is studied using various parameters like the Wigner function, squeezing, and photon statistical parameters like Mandel’s Q-function, second-order correlation function, Agarwal-Tara \(A_3\) A 3 criterion, and photon number distribution. Further analysis is being done to investigate the sub-Planck structures in the Wigner functions of these PSCS. We also show that the photon subtraction doesn’t cause the loss of sensitivity due to displacement of the states in phase space.