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	Efficient Terahertz Photoconductive Emitters with Improved Electrode Structures
	Ying-Xin Wang ; Yi-Jie Niu ; Wei Cheng ; Zhi-Qiang Li ; Zi-Ran Zhao ; Ying-Xin Wang ; Yi-Jie Niu ; Wei Cheng ; Zhi-Qiang Li ; Zi-Ran Zhao
	2016-03-30 ; 2016-03-30
关键词	Electrode structure photoconductive antenna radiation efficiency terahertz TN830
其他题名	Efficient Terahertz Photoconductive Emitters with Improved Electrode Structures
中文摘要	We present the design,fabrication,and characterization of two new types of terahertz photoconductive emitters.One has an asymmetric four-contact electrode structure and the other has an arc-shaped electrode structure,which are all modified from a traditional strip line antenna.Numerical simulations and real experiments confirm the good performance of the proposed antennas.An amplitude increase of about 40%is experimentally observed for the terahertz signals generated from the new structures.The special electrode structure and its induced local bias field enhancement are responsible for this radiation efficiency improvement.Our work demonstrates the feasibility of developing highly efficient terahertz photoconductive emitters by optimizing the electrode structure.; We present the design, fabrication, and characterization of two new types of terahertz photoconductive emitters. One has an asymmetric four-contact electrode structure and the other has an arc-shaped electrode structure, which are all modified from a traditional strip line antenna. Numerical simulations and real experiments confirm the good performance of the proposed antennas. An amplitude increase of about 40% is experimentally observed for the terahertz signals generated from the new structures. The special electrode structure and its induced local bias field enhancement are responsible for this radiation efficiency improvement. Our work demonstrates the feasibility of developing highly efficient terahertz photoconductive emitters by optimizing the electrode structure.
语种	英语 ; 英语
内容类型	期刊论文
源URL	[http://ir.lib.tsinghua.edu.cn/ir/item.do?handle=123456789/143168]
专题	清华大学
推荐引用方式 GB/T 7714	Ying-Xin Wang,Yi-Jie Niu,Wei Cheng,et al. Efficient Terahertz Photoconductive Emitters with Improved Electrode Structures[J],2016, 2016.
APA	Ying-Xin Wang.,Yi-Jie Niu.,Wei Cheng.,Zhi-Qiang Li.,Zi-Ran Zhao.,...&Zi-Ran Zhao.(2016).Efficient Terahertz Photoconductive Emitters with Improved Electrode Structures..
MLA	Ying-Xin Wang,et al."Efficient Terahertz Photoconductive Emitters with Improved Electrode Structures".(2016).

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