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Terahertz refractive anisotropy on femtosecond laser pulse ablated semi-insulating gallium arsenide surface
Zhao, Zhenyu; Song, Zhiqiang; Bai, Feng; Shi, Wangzhou; Zhao, Quan-Zhong; zyzhao@shnu.edu.cn; zqz@siom.ac.cn
2017
发表期刊Appl. Phys. A-Mater. Sci. Process.
卷号123期号:4
摘要We present an artificial variation of THz refractive index ellipse from isotropy to anisotropy at the surface of < 100 >-oriented semi-insulating gallium arsenide (SIGaAs) via femtosecond pulse laser ablation. The refractive index ellipse is determined by the frequency and the polarization of incident THz radiation. The THz wave is localized in the gap of columns of micro-ripples when the polarization of THz is parallel to the micro-ripples, while no electric energy localization occurs when the polarization of THz is perpendicular to the micro-ripples. We found that the laser ablation process can induce a periodic distribution of n- type GaAs at the surface of SI-GaAs. These n- type GaAs micro-ripples work as plasmonic resonators, which are proposed to be the origin of the induced refractive index anisotropy.
文章类型Article
部门归属强光
DOI10.1007/s00339-017-0852-2
资助者National Natural Science Foundation of China [61307130, 11374316]; Shanghai Municipal Education Commission [14YZ077]; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; National Natural Science Foundation of China [61307130, 11374316]; Shanghai Municipal Education Commission [14YZ077]; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; National Natural Science Foundation of China [61307130, 11374316]; Shanghai Municipal Education Commission [14YZ077]; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; National Natural Science Foundation of China [61307130, 11374316]; Shanghai Municipal Education Commission [14YZ077]; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry
收录类别SCI
资助者National Natural Science Foundation of China [61307130, 11374316]; Shanghai Municipal Education Commission [14YZ077]; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; National Natural Science Foundation of China [61307130, 11374316]; Shanghai Municipal Education Commission [14YZ077]; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; National Natural Science Foundation of China [61307130, 11374316]; Shanghai Municipal Education Commission [14YZ077]; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; National Natural Science Foundation of China [61307130, 11374316]; Shanghai Municipal Education Commission [14YZ077]; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry
WOS记录号WOS:000397581200017
引用统计
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/27742
专题强场激光物理国家重点实验室
通讯作者zyzhao@shnu.edu.cn; zqz@siom.ac.cn
作者单位中国科学院上海光学精密机械研究所
推荐引用方式
GB/T 7714
Zhao, Zhenyu,Song, Zhiqiang,Bai, Feng,et al. Terahertz refractive anisotropy on femtosecond laser pulse ablated semi-insulating gallium arsenide surface[J]. Appl. Phys. A-Mater. Sci. Process.,2017,123(4).
APA Zhao, Zhenyu.,Song, Zhiqiang.,Bai, Feng.,Shi, Wangzhou.,Zhao, Quan-Zhong.,...&zqz@siom.ac.cn.(2017).Terahertz refractive anisotropy on femtosecond laser pulse ablated semi-insulating gallium arsenide surface.Appl. Phys. A-Mater. Sci. Process.,123(4).
MLA Zhao, Zhenyu,et al."Terahertz refractive anisotropy on femtosecond laser pulse ablated semi-insulating gallium arsenide surface".Appl. Phys. A-Mater. Sci. Process. 123.4(2017).
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