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Towards local oscillators based on arrays of niobium Josephson junctions
Superconductor Science and Technology. 2015. Vol. 28. No. 5. P. 055002.
Galin M. A., Klushin A. M., Kurin V. V., Seliverstov S. V., Finkel M. I., Goltsman G., Müller F., Scheller T., Semenov A.
Various applications in the field of terahertz technology are in urgent need of compact, wide-tunable solid-state continuous wave radiation sources with a moderate power. However, satisfactory solutions for the THz frequency range are scarce yet. Here we report on coherent radiation from a large planar array of Josephson junctions (JJs) in the frequency range between 0.1 and 0.3 THz. The external resonator providing the synchronization of JJ array is identified as a straight fragment of a single-strip-line containing the junctions themselves. We demonstrate a prototype of the quasioptical heterodyne receiver with the JJ array as a local oscillator and a hot-electron bolometer mixer.
Research target:
Philosophy, Ethics, and Religious Studies
Priority areas:
engineering science
Language:
English
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Dirty superconducting films with magnetic impurities can exhibit nontrivial behavior in a magnetic field that
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Cambridge Scholars Publishing, 2026.
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