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Proceedings Paper

Radiation characteristics of photoconductive antennas based on low-temperature grown GaAs
Author(s): Zhiguang Ao; Guofeng Song; Yun Xu
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Paper Abstract

Terahertz radiation was generated with several designs of photoconductive antennas (strip line, dipole, trapezoid, bow-tie) fabricated on low-temperature-grown GaAs (LT-GaAs) and the emission properties of the photoconductive antennas were compared with each other. The bow-tie photoconductive antennas with nano cylinder also be fabricated. The radiation characteristics of each antenna was characterized by THz-TDS. The radiation power of the photoconductive antennas with different antenna shapes showed significant difference. The underlying physics of nano-structured PCAs are still in their early stages. Our findings will pave the way for new perspectives in the design and analysis of novel structures for more efficient THz photonic devices.

Paper Details

Date Published: 5 January 2017
PDF: 7 pages
Proc. SPIE 10244, International Conference on Optoelectronics and Microelectronics Technology and Application, 102441N (5 January 2017); doi: 10.1117/12.2264359
Show Author Affiliations
Zhiguang Ao, Institute of Semiconductors (China)
Guofeng Song, Institute of Semiconductors (China)
Yun Xu, Institute of Semiconductors (China)

Published in SPIE Proceedings Vol. 10244:
International Conference on Optoelectronics and Microelectronics Technology and Application
Shaohua Yu; Jose Capmany; Yi Luo; Yikai Su; Songlin Zhuang; Yue Hao; Akihiko Yoshikawa; Chongjin Xie; Yoshiaki Nakano, Editor(s)

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