Nonreciprocal Propagation Characteristics of 671 GHz Submillimeter Wave in Image Guide Consisting of Transversely Magnetized $ p$-InSb Slab

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概要

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• The temperature and magnetic field dependences of 671 GHz submillimeter-wave propagation characteristics in a transversely magnetized image guide consisting of a $ p$-InSb slab have been studied experimentally and theoretically. The result of the theoretical analysis indicates that the propagation loss of this image guide is as small as about 0.116 dB/mm at liquid-nitrogen temperature. As the sample temperature increases to 240 K, a surface wave resonance occurs and a nonreciprocity of more than 20 dB appears in the transmission in an applied magnetic field $B$ of 0.45 T. Experimentally observed results are in good quantitative agreement with theoretical predictions. These findings indicate the possibility of fabricating nonreciprocal devices embedded in a submillimeter-wave image guide consisting of a $ p$-InSb slab. It is also shown that the attenuation of and nonreciprocity in the wave propagation in this image guide can be controlled by injecting plasma into the $ p$-InSb slab.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2006-12-15

著者

• Takahashi Motoi

  Department Of Dermatology Gunma University Graduate School Of Medicine

• Kosaka Satoru

  Department Of Electrical And Electronic Engineering Faculty Of Engineering And Research Science Akit

• Obunai Tetsuo

  Department Of Electrical And Electronic Engineering Faculty Of Engineering And Research Science Akit

• Kosaka Satoru

  Department of Electrical and Electronic Engineering, Faculty of Engineering and Resource Science, Akita University, Akita 010-8502, Japan

• Obunai Tetsuo

  Department of Electrical and Electronic Engineering, Faculty of Engineering and Resource Science, Akita University, Akita 010-8502, Japan

• Yodokawa Shinichi

  Department of Electrical and Electronic Engineering, Faculty of Engineering and Resource Science, Akita University, Akita 010-8502, Japan

• Yodokawa Shinichi

  Department of Electrical and Electronic Engineering, Faculty of Engineering and Research Science, Akita University

• Takahashi Motoi

  Department of Electrical and Electronic Engineering, Faculty of Engineering and Resource Science, Akita University, Akita 010-8502, Japan

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