Spectral Linewidths of Josephson Oscillators
M. Salerno, M. R. Samuelsen, A. V. Yulin
DOI 10.1103/PhysRevLett.86.5397 · Physical Review Letters
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Abstract
We show that the linewidth of a Josephson flux-flow oscillator has the same functional dependence on temperature, static, and dynamic resistances as the ones of Josephson single-fluxon oscillators and small Josephson junctions. This suggests a universal formula for the linewidth of Josephson oscillators.
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