Parametric Amplification of High-Frequency Radiation by Point Josephson Junctions Near Shapiro Subharmonic Steps
Journal Article
·
· Physics of the Solid State
Parametric amplification of a high-frequency radiation by point-like Josephson junctions in the cavity has been studied within a resistive model. It is shown numerically and analytically that near the subharmonic steps of the current–voltage characteristic there are areas of amplification of electromagnetic radiation. An one-dimensional array of the Josephson point junctions connected in series is treated. It is shown that the junctions in the array near the subharmonic steps of current–voltage characteristic are nonsynchronized and, accordingly, the amplification regions near the subharmonic steps of the array are missing.
- OSTI ID:
- 22925257
- Journal Information:
- Physics of the Solid State, Journal Name: Physics of the Solid State Journal Issue: 6 Vol. 61; ISSN 1063-7834
- Country of Publication:
- United States
- Language:
- English
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