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<p>The sensitivity of the surface plasmon polaritons is examined at the five level cesium atom and silver metal interface using control fields of structured light. The variation in sensitivity is reported with topological charges l&#xa0;=&#xa0;1, 2, 3, 4 order of diffraction m&#xa0;=&#xa0;1, 2, 3, 4, 5 and grating period p = 200 nm, 400 nm, 600 nm, 800 nm,1000 nm. The order of diffraction, topological charges and grating period plays a key role in manipulating the sensitivity of the surface plasmon polaritons. The sensitivity is enhancing with increasing topological charges. The value of sensitivity at different topological charges l&#xa0;=&#xa0;1, 2, 3, 4 are found to 400 nm/RIU, 600 nm/RIU and 1000 nm/RIU and 2000 nm/RIU. The study shows that sensitivity also enhancing with increasing the order of diffraction m. The sensitivity with the order of diffraction m&#xa0;=&#xa0;2, 3, 4, 5 are reported to 1000 nm/RIU, 1500 nm/RIU, 2000 nm/RIU and 3000 nm/RIU. The sensitivity is decreasing by increasing the grating period p. The sensitivity with grating period p&#xa0;=&#xa0;400 nm, 600 nm, 800 nm and 1000 nm are investigated to be 2000 nm/RIU, 600 nm/RIU, 400 nm/RIU and 300 nm/RIU. This coherence-induced controllability offers a good approach for optimizing plasmonic propagation and enhancing sensitivity and advance plasmonster technology.</p>

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Structure light sensitivity control at the interface of cesium atom and metal

  • 期刊论文

  • 发表日期：

    2026年7月24日

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  • Qaisar Khan,
  • Meraj Ali Khan,
  • Ibrahim Al-Dayel

摘要

The sensitivity of the surface plasmon polaritons is examined at the five level cesium atom and silver metal interface using control fields of structured light. The variation in sensitivity is reported with topological charges l = 1, 2, 3, 4 order of diffraction m = 1, 2, 3, 4, 5 and grating period p = 200 nm, 400 nm, 600 nm, 800 nm,1000 nm. The order of diffraction, topological charges and grating period plays a key role in manipulating the sensitivity of the surface plasmon polaritons. The sensitivity is enhancing with increasing topological charges. The value of sensitivity at different topological charges l = 1, 2, 3, 4 are found to 400 nm/RIU, 600 nm/RIU and 1000 nm/RIU and 2000 nm/RIU. The study shows that sensitivity also enhancing with increasing the order of diffraction m. The sensitivity with the order of diffraction m = 2, 3, 4, 5 are reported to 1000 nm/RIU, 1500 nm/RIU, 2000 nm/RIU and 3000 nm/RIU. The sensitivity is decreasing by increasing the grating period p. The sensitivity with grating period p = 400 nm, 600 nm, 800 nm and 1000 nm are investigated to be 2000 nm/RIU, 600 nm/RIU, 400 nm/RIU and 300 nm/RIU. This coherence-induced controllability offers a good approach for optimizing plasmonic propagation and enhancing sensitivity and advance plasmonster technology.