Phase-locked flux-flow Josephson oscillator

A. V. Ustinov, Jesper Mygind, V. A. Oboznov

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We report on the observation of large rf induced steps due to phase-locking of unidirectional flux-flow motion in long quasi-one-dimensional Josephson junctions. The external microwave irradiation in the frequency range 62–77 GHz was applied from the edge of the junction at which the fluxons enter. The dependence of the amplitude of the phase-locked step on external magnetic field and microwave power has been measured. The observed zero-crossing steps have potential application in Josephson voltage standards. A simple model for the flux-flow as determined by the microwave driven boundary gate at the edge of the junction is presented. Journal of Applied Physics is copyrighted by The American Institute of Physics.
Original languageEnglish
JournalJournal of Applied Physics
Issue number3
Pages (from-to)1203-1205
Publication statusPublished - 1992

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Copyright (1992) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

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