Voltage locking between superconducting weak links via impedance coupling

Journal Article · Mon Jun 01 04:00:00 EDT 1981 · J. Appl. Phys.; (United States)

DOI:https://doi.org/10.1063/1.329223· OSTI ID:6266447

Dai, Y; Kao, Y H

Frequency locking effects in two interacting Josephson junctions are investigated. The junctions are described in the usual resistively-shunted-junction (RSJ) model and coupling between junctions is provided by a resonant circuit. The system can be used to simulate interactions between superconducting weak links in a resonant cavity or via a general impedance shunt. Various types of v-i curves in the voltage locking region are obtained in this calculation by using a first harmonic approximation in the high-frequency regime. Stability of order parameter phase oscillations for two identical junctions in the voltage-locked region is examined. We also show that dissimilar junctions can be synchronized in a resonant cavity using a common series bias current.

• Research Organization: Department of Physics, State University of New York at Stony Brook, Stony Brook, New York 11794
• OSTI ID: 6266447
• Journal Information: J. Appl. Phys.; (United States), Journal Name: J. Appl. Phys.; (United States) Vol. 52:6; ISSN JAPIA
• Country of Publication: United States
• Language: English

Related Subjects

420201* -- Engineering-- Cryogenic Equipment & Devices
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BEAM DYNAMICS
CAVITIES
CONTROL
COUPLING
ELECTRIC CONDUCTIVITY
ELECTRIC POTENTIAL
ELECTRICAL PROPERTIES
ELECTRONIC CIRCUITS
EQUIVALENT CIRCUITS
FREQUENCY CONTROL
HARMONICS
IMPEDANCE
JOSEPHSON JUNCTIONS
JUNCTIONS
OSCILLATIONS
PHASE OSCILLATIONS
PHYSICAL PROPERTIES
RESONANCE
SUPERCONDUCTING JUNCTIONS
SUPERCONDUCTORS
SYNCHRONIZATION