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<p>This work reported the photonic spin hall shift enhanced by excitation of surface plasmon resonance at the interface of dielectric and nano-composite material. The incoming light beam incident on a cavity containing a four level atomic medium. The photonic spin hall shift can be adjusted to generate either positive or negative values, depending on the properties of the driving fields. The high value of the spin hall shift lies in the range of <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(\pm 19.604\lambda \le St_{L,R} \le \pm 19.618\lambda \)</EquationSource> </InlineEquation> with control field detuning (<InlineEquation ID="IEq2"> <EquationSource Format="TEX">\(d_1\)</EquationSource> </InlineEquation>=-10&#xa0;G and <InlineEquation ID="IEq3"> <EquationSource Format="TEX">\(d_1\)</EquationSource> </InlineEquation>=-1&#xa0;G) and the minimum values of the spin hall shift is reported to <InlineEquation ID="IEq4"> <EquationSource Format="TEX">\(\pm 9.05\lambda \le St_{L,R} \le \pm 9.25\lambda \)</EquationSource> </InlineEquation> with control field Rabi frequency (<InlineEquation ID="IEq5"> <EquationSource Format="TEX">\(R_2\)</EquationSource> </InlineEquation>= 9.5 G and 9&#xa0;G). These results have promising applications in sensors, spintronics and magnetic data storage.</p>

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Spin hall shift controlling using plasmon resonance at the dielectric and nano-composite interface

  • 期刊论文

  • 发表日期：

    2026年2月28日

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  • Qaisar Khan,
  • Meraj Ali Khan,
  • Ali Akgul

摘要

This work reported the photonic spin hall shift enhanced by excitation of surface plasmon resonance at the interface of dielectric and nano-composite material. The incoming light beam incident on a cavity containing a four level atomic medium. The photonic spin hall shift can be adjusted to generate either positive or negative values, depending on the properties of the driving fields. The high value of the spin hall shift lies in the range of \(\pm 19.604\lambda \le St_{L,R} \le \pm 19.618\lambda \) with control field detuning ( \(d_1\) =-10 G and \(d_1\) =-1 G) and the minimum values of the spin hall shift is reported to \(\pm 9.05\lambda \le St_{L,R} \le \pm 9.25\lambda \) with control field Rabi frequency ( \(R_2\) = 9.5 G and 9 G). These results have promising applications in sensors, spintronics and magnetic data storage.