Tunable narrow-linewidth oscillations and current-voltage characteristics of a resistive dc SQUID
- 15 July 1983
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 43 (2) , 210-212
- https://doi.org/10.1063/1.94258
Abstract
The output voltage of a dc superconducting quantum interference device (SQUID) containing a resistive section Rs oscillates at a frequency νq =Vs/ φ0 (φ0=flux quantum) when a current controlled voltage Vs is maintained across Rs. These oscillations have been observed from ∼10−1 to 1011 Hz, using Rs values ranging from ∼10−10 to ∼10−3 Ω in low inductance (∼10−10 H) point contact SQUID loops. At high frequencies, they manifest themselves in the dc current-voltage characteristics by inducing extra current steps.Keywords
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