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Feb 2021
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Zhai Zhizhu, Wang Mingjun, Wu Biyuan. Polarization regulation characteristics of reflected waves at the interface of double topological insulators[J]. JOURNAL OF MECHANICAL ENGINEERING, 2021, 48(2): 200102. doi: 10.12086/oee.2021.200102
Citation: Zhai Zhizhu, Wang Mingjun, Wu Biyuan. Polarization regulation characteristics of reflected waves at the interface of double topological insulators[J]. JOURNAL OF MECHANICAL ENGINEERING, 2021, 48(2): 200102. doi: 10.12086/oee.2021.200102

Polarization regulation characteristics of reflected waves at the interface of double topological insulators

doi: 10.12086/oee.2021.200102
Funds:

National Natural Science Foundation of China 61771385

Science Foundation for Distinguished Young Scholars of Shaanxi Province 2020JC-42

Science and Technology on Solid-State Laser Laboratory 6142404180301

the Science and Technology Research Plan of Xi'an City GXYD14.26

More Information
  • Corresponding author: Wang Mingjun, E-mail: wmjxd@aliyun.com
  • Received Date: 23 Mar 2020
  • Rev Recd Date: 28 Jun 2020
  • The property of reflective polarization on the surface of two 3D strong topological insulators was studied, obtaining the generalized necessary conditions required for the complete polarization conversion of linearly polarized light. By analyzing the reflectivity, cross reflectivity, and polarization conversion ratios of the interface of two topological insulators, we found that the model can realize the complete polarization conversion by using the existing topological insulator material, breaking through the limitation that the complete conversion requires a new small dielectric constant topological insulator material. The process can be verified by the Kerr rotation angle. Finally, we show the design method of polarization conversion devices to realize super strong angular stability. The polarization control capability of topological insulators can also be verified by Kerr effect. This work provides a theoretical basis for the application of topological insulators in polarized devices.

     

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