Terahertz-range on-chip local oscillator based on Josephson junction arrays for superconducting quantum-limited receivers

• Fedor V. Khan,
• Lyudmila V. Filippenko,
• Andrey B. Ermakov,
• Mikhail Yu. Fominsky and
• Valery P. Koshelets

Beilstein J. Nanotechnol. 2025, 16, 2296–2305, doi:10.3762/bjnano.16.158

• improvement of the oscillator performance. Keywords: Josephson junction arrays; phase-locking; superconducting local oscillator; superconductor integrated receiver; terahertz-range oscillators; Introduction Superconducting heterodyne receivers based on superconductor–insulator–superconductor (SIS) tunnel

• higher frequencies. Furthermore, minor corrections to the CPW topology will help to extend the maximum operation frequency further to the high-frequency region. Principal scheme of the superconductor integrated receiver (SIR). Capture of the experimental sample by an optical microscope; inset – enlarged