Tunable magneto-optical polarization device for terahertz waves based on InSb and its plasmonic structure
文献类型：期刊论文
| 作者 | Q.Y.Mu; F.Fan; S.Chen; S.T.Xu; C.Z.Xiong; X.Zhang; X.H.Wang |
| 刊名 | Photonics Research
 |
| 出版日期 | 2019 |
| 卷号 | 7期号:3页码:325-331 |
| 关键词 | interference,transmission,conversion,surface,Optics |
| ISSN号 | 2327-9125 |
| DOI | 10.1364/prj.7.000325 |
| 英文摘要 | The nonreciprocal circular dichroism and Faraday rotation effect for terahertz (THz) waves in longitudinally magnetized InSb were investigated by theoretical and experimental studies in the THz regime, which indicated its ability for a THz circularly polarized isolator, THz circular polarizer, tunable polarization converter, and polarization modulator by manipulation of different magnetic fields. Furthermore, we demonstrated the InSb plasmonics based on its magneto-optical effects combined with artificial microstructure. We found the magneto-optical enhancement mechanisms in this magneto-plasmonic structure, achieving broadband near-perfect orthogonal linear polarization conversion modulated by the weak magnetic field in an experiment with an extinction ratio of 33 dB. Moreover, the magneto-optical modulation with an amplitude modulation depth of 95.8% can be achieved by this device under a weak magnetic field of 150 mT. InSb and its magneto-plasmonic device have broad potential for a THz isolator, magneto-optical modulator, and polarization convertor in THz application systems. (C) 2019 Chinese Laser Press |
| 语种 | 英语 |
| 源URL | [http://ir.ciomp.ac.cn/handle/181722/63130]  |
| 专题 | 中国科学院长春光学精密机械与物理研究所 |
| 推荐引用方式 GB/T 7714 | Q.Y.Mu,F.Fan,S.Chen,et al. Tunable magneto-optical polarization device for terahertz waves based on InSb and its plasmonic structure[J]. Photonics Research,2019,7(3):325-331. |
| APA | Q.Y.Mu.,F.Fan.,S.Chen.,S.T.Xu.,C.Z.Xiong.,...&X.H.Wang.(2019).Tunable magneto-optical polarization device for terahertz waves based on InSb and its plasmonic structure.Photonics Research,7(3),325-331. |
| MLA | Q.Y.Mu,et al."Tunable magneto-optical polarization device for terahertz waves based on InSb and its plasmonic structure".Photonics Research 7.3(2019):325-331. |
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