Article

International Journal of Infrared and Millimeter Waves

, Volume 27, Issue 3, pp 373-380

SEMICONDUCTOR-SUPERLATTICE FREQUENCY MIXER FOR DETECTION OF SUBMILLIMETER WAVES

  • K. F. RenkAffiliated withInstitut für Angewandte Physik, Universität Regensburg Email author 
  • , A. RoglAffiliated withInstitut für Angewandte Physik, Universität Regensburg
  • , B. I. StahlAffiliated withInstitut für Angewandte Physik, Universität Regensburg
  • , A. MeierAffiliated withInstitut für Angewandte Physik, Universität Regensburg
  • , Yu. I. KoschurinovAffiliated withDepartment of Radiophysics, Nizny Novgorod State University
  • , D. G. Pavel’evAffiliated withDepartment of Radiophysics, Nizny Novgorod State University
  • , V. UstinovAffiliated withA. F. Ioffe Physico-Technical Institute
  • , A. ZhukovAffiliated withA. F. Ioffe Physico-Technical Institute
  • , N. MaleevAffiliated withA. F. Ioffe Physico-Technical Institute
    • , A. VasilyevAffiliated withA. F. Ioffe Physico-Technical Institute

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Abstract

We report on a GaAs/AlAs superlattice frequency mixer for detection of submillimeter waves. The mixer is based on the nonlinear miniband transport giving rise to domains excited under the action of a microwave field. We designed the mixer for broadband operation (300–600 GHz). For studying basic properties, we investigated the mixer as a harmonic mixer in 15th order to detect radiation at a radio frequency (RF) near 300 GHz using local oscillator (LO) radiation of a frequency near 20 GHz. We reached a noise equivalent power (NEP) of about 10 fW/Hz. We also show that the use of the superlattice mixer together with a superlattice frequency multiplier allows to realize a superlattice-based free-space transmission line for submillimeter waves.

Keywords

harmonic mixer semiconductor superlattice submillimeter waves