Submillimeter wave detection and mixing experiments using high temperature Josephson junctions

J. Chen, E. Kobayashi, H. Myoren, K. Nakajima, T. Yamashita, S. Linzen, F. Schmidl, P. Seidel

研究成果: Conference article査読

抄録

Using high temperature grain boundary Josephson junctions (GBJJs) made of YBa2Cu3O7-δ (YBCO) deposited across silicon bicrystal boundary, we successfully demonstrated direct detection at wavelength as short as 118.8 μm (frequency of 2.525 THz) and the operation temperature up to 70 K. Radiation from a far infrared (FIR) laser was coupled to the junction, via a TPX plano convex lens and a high resistivity Si hyperhemispherical lens. The response at wavelength of 183.4 μm was obtained for the YBCO GBJJs on MgO bicrystal substrates. Also, investigated are the effects of response on external DC magnetic fields and polarization of electromagnetic waves as well as the harmonic mixing properties.

本文言語English
ページ(範囲)200-205
ページ数6
ジャーナルProceedings of SPIE - The International Society for Optical Engineering
3465
DOI
出版ステータスPublished - 1998
イベントProceedings of the 1998 Conference on Millimeter and Submillimeter Waves IV - San Diego, CA, USA
継続期間: 1998 7月 201998 7月 23

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • コンピュータ サイエンスの応用
  • 応用数学
  • 電子工学および電気工学

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