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Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
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特拉赫兹可调节的三维光子喷射.

Behrooz Rezaei1, Babak Yahyapour2,3, Arash Darafsheh4

  • 1Department of Condensed Matter Physics, Faculty of Physics, University of Tabriz, Tabriz, Iran. rezaeibhr@yahoo.com.

Scientific reports
|July 17, 2024
PubMed
概括

研究人员使用被大量迪拉克半金属层覆盖的介电微物体创建了可调节的太赫兹光子喷流. 调整半金属的情况.

关键词:
3D FDTD 3D FDTD 3D FDTD 3D FDTD 3D FDTD 3D FDTD 3D FDTD 3D FDTD 3D FDTD大量迪拉克半金属这是一个光子喷气式飞机.太赫兹是一个太赫兹.

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科学领域:

  • 光学和光子学 在光学和光子学.
  • 凝聚物质物理学 凝聚物质物理学
  • 材料科学 材料科学 材料科学

背景情况:

  • 光子喷射是位于透明微观物体附近的局部电磁场.
  • 特拉赫兹 (THz) 模式为光物质相互作用提供了独特的特性.

研究的目的:

  • 为了证明可调节的3D光子喷射在太赫兹模式 (terajets) 中的形成.
  • 通过使用被散装迪拉克半金属 (BDS) 层覆盖的介电微物体来研究泰拉喷射器的动态调制.

主要方法:

  • 使用过电微型物体 (球体,圆柱体,立方体),涂上BDS层.
  • 采用均的光束照明,并改变了BDS层的费米能量.
  • 分析了TE和TM偏振的Terajets,并研究了入射束斜度的影响.

主要成果:

  • 通过将介电微物体涂上BDS层,成功形成了3D可调节的Terajets.
  • 通过通过费米能量调整BDS层的折射率来证明特拉喷射光学特征的动态调制.
  • 在不对称的太空飞机中观察到极化依赖性和对焦区域强度的保留在广的角度范围内.

结论:

  • 可调节的Terajets可以使用BDS涂层的介电微观物体来产生.
  • 在BDS层的费米能量调整提供了对terajet属性的动态控制.
  • 具有保留强度的不对称太子飞机显示了扫描设备应用的潜力.