利用激光混沌和金属v型槽波导的超聚焦高效产生和探测太赫兹波

2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) Pub Date : 2015-11-12 DOI:10.1109/IRMMW-THZ.2015.7327808

F. Kuwashima, T. Shirao, T. Kishibata, Y. Akamine, Noriyuki Iwao, M. Ooi, M. Tani, K. Kurihara, K. Yamamoto, T. Nagashima, M. Nakajima, M. Hangyo

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引用次数: 2

摘要

研究了由外反射镜光延迟反馈的混沌振荡多模半导体激光器激发光导天线产生的宽范围太赫兹波。将产生的太赫兹波的性质与连续波稳态激光激发的太赫兹波的性质进行了比较。利用激光混沌技术从多模激光二极管激发的光导天线中获得稳定的太赫兹波。对于高灵敏度的检测，金属v槽波导(MVG)也被使用。与传统的硅透镜系统相比，MVG检测到的信号是前者的1.6倍。

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High effective generation and detection of THz waves using a laser chaos and a super-focusing with metal V-grooved waveguides

Generation of a wide-range THz waves are investigated from a photoconductive antenna excited using a chaotic oscillation multimode semiconductor laser with optical delayed feedback by an external mirror. The properties of the generated THz wave are compared with those of a case excited by a CW steady state laser. The stable THz wave is obtained from the multimode-laser diode excited photoconductive antenna by using a laser chaos. For a high sensitive detection, a metal V-grooved waveguide (MVG) is also used. The 1.6 times signal is detected using MVG compared with conventional system using Si lens.

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2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)

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