Experiments on the interaction between long Josephson junctions and a coplanar strip resonator

A. Davidson; Niels Falsig Pedersen

doi:10.1063/1.107129

Experiments on the interaction between long Josephson junctions and a coplanar strip resonator

A. Davidson, Niels Falsig Pedersen

Department of Physics

IBM

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Abstract

Experiments are reported on a new geometry designed to couple long Josephson junction fluxon oscillators to a resonant cavity. The junctions were made with a niobium-aluminum oxide-niobium trilayer process with a critical-current density of around 1000 A/cm2. Various numbers of such junctions were incorporated directly as part of a coplanar strip half-wave resonator, with fundamental mode of about 34 GHz. Both the current density and oscillation frequency are higher than in previous experiments. Evidence for phase locking of multiple junctions is presented. Applied Physics Letters is copyrighted by The American Institute of Physics.

Original language	English
Journal	Applied Physics Letters
Volume	60
Issue number	16
Pages (from-to)	2017-2019
ISSN	0003-6951
DOIs	https://doi.org/10.1063/1.107129
Publication status	Published - 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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abstract = "Experiments are reported on a new geometry designed to couple long Josephson junction fluxon oscillators to a resonant cavity. The junctions were made with a niobium-aluminum oxide-niobium trilayer process with a critical-current density of around 1000 A/cm2. Various numbers of such junctions were incorporated directly as part of a coplanar strip half-wave resonator, with fundamental mode of about 34 GHz. Both the current density and oscillation frequency are higher than in previous experiments. Evidence for phase locking of multiple junctions is presented. Applied Physics Letters is copyrighted by The American Institute of Physics.",

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AU - Pedersen, Niels Falsig

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N2 - Experiments are reported on a new geometry designed to couple long Josephson junction fluxon oscillators to a resonant cavity. The junctions were made with a niobium-aluminum oxide-niobium trilayer process with a critical-current density of around 1000 A/cm2. Various numbers of such junctions were incorporated directly as part of a coplanar strip half-wave resonator, with fundamental mode of about 34 GHz. Both the current density and oscillation frequency are higher than in previous experiments. Evidence for phase locking of multiple junctions is presented. Applied Physics Letters is copyrighted by The American Institute of Physics.

AB - Experiments are reported on a new geometry designed to couple long Josephson junction fluxon oscillators to a resonant cavity. The junctions were made with a niobium-aluminum oxide-niobium trilayer process with a critical-current density of around 1000 A/cm2. Various numbers of such junctions were incorporated directly as part of a coplanar strip half-wave resonator, with fundamental mode of about 34 GHz. Both the current density and oscillation frequency are higher than in previous experiments. Evidence for phase locking of multiple junctions is presented. Applied Physics Letters is copyrighted by The American Institute of Physics.

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JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 16

ER -

Experiments on the interaction between long Josephson junctions and a coplanar strip resonator

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