High efficient Broadband Terahertz Radiation Generated by Photoconductive Antenna Array

被引：1
|
作者：
Shi, Wei [1 ,2 ]
Hou, Lei [1 ,2 ]
Ma, Cheng [1 ,2 ]
Yang, Lei [1 ,2 ]
Wang, Shaoqiang [1 ,2 ]
Dong, Chengang [1 ,2 ]
Liu, Hong [1 ]
机构：
[1] Xian Univ Technol, Xian 710048, Shaanxi, Peoples R China
[2] Shaanxi Key Lab Ultrafast Photoelect Technol & Te, Xian 710048, Shaanxi, Peoples R China
来源：
2019 44TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) | 2019年
关键词：
D O I：
10.1109/irmmw-thz.2019.8874249
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Coherent combination of radiations from a set of independent sources is an efficient way to obtain high power terahertz (THz) radiation. In this work, we designed and fabricated an antenna array, the THz radiations with opposite phase caused by the reverse bias electrical field existed in the conventional photoconductive antenna arrays was totally eliminated, and the synchronization of THz pulses was realized by precisely adjusting their optical paths. By these designs, we demonstrated, for the first time, the THz pulses with the combination efficiency of near 100% from photoconductive antenna array have been achieved.
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页数：1
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