Photoconductive Emission and Detection of Terahertz Pulsed Radiation Using Semiconductors and Semiconductor Devices

被引：0

作者：

Masahiko Tani

Kohji Yamamoto

Elmer S. Estacio

Christopher T. Que

Hidekazu Nakajima

Masakazu Hibi

Fumiaki Miyamaru

Seizi Nishizawa

Masanori Hangyo

机构：

[1] University of Fukui,Research Center for Development of Far

[2] Faculty of Science,Infrared Region

[3] Shinshu University,Department of Physics

[4] Advanced Infrared Spectroscopy Co.,Institute of Laser Engineering

[5] Ltd,undefined

[6] Osaka University,undefined

来源：

Journal of Infrared, Millimeter, and Terahertz Waves | 2012年 / 33卷

关键词：

Terahertz; Photoconductive antenna; Low-temperature-grown GaAs; 1.55-μm femtosecond laser; InSb; Lens coupling; Magnetic field enhancement;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Recent studies on the techniques and development of photoconductive (PC) semiconductor devices for efficient generation and detection of terahertz (THz) pulsed radiation are reported. Firstly, the optimization of PC antenna design is discussed. The PC detection of THz pulsed radiation using low-temperature grown GaAs with 1.55-μm wavelength probe is then described. Finally, the enhancement of THz radiation from InSb by using a coupling lens and magnetic field is investigated. These results reveal valuable insights on the design of an efficient, compact, and cost-effective THz time-domain spectroscopy system based on 1.55-μm fs laser sources.

引用

页码：393 / 404

页数：11

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