Abstract
Wideband Josephson THz flux-flow oscillator integrated with the slot lens antenna and the harmonic mixer
Highlights
Terahertz (THz) wideband sources are required nowdays in many field, such as spectroscopy, astronomy and radio physics
1 Ω) to the lens antenna having high impedance and forming a beam pattern required for applications, and simultaneous coupling to the harmonic mixer based on SIS junction having the area about
The pumping of the SIS harmonic mixer by flux-flow oscillator (FFO) power leads to the appearance of current quasiparticle step on the IVC which is measured directly in the whole frequency range of the FFO operation
Summary
Terahertz (THz) wideband sources are required nowdays in many field, such as spectroscopy, astronomy and radio physics. With a harmonic mixer (HM) for the feedback locking loop and a transmitting slot antenna on a single chip Ω) to the lens antenna having high impedance (tens of Ω) and forming a beam pattern required for applications, and simultaneous coupling to the harmonic mixer based on SIS junction having the area about
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