The pumpistor: A linearized model of a flux-pumped superconducting quantum interference device for use as a negative-resistance parametric amplifier
Journal article, 2013

We describe a circuit model for a flux-driven Superconducting QUantum Interference Device (SQUID). This is useful for developing insight into how these devices perform as active elements in parametric amplifiers. The key concept is that frequency mixing in a flux-pumped SQUID allows for the appearance of an effective negative resistance. In the three-wave, degenerate case treated here, a negative resistance appears only over a certain range of allowed input signal phase. This model readily lends itself to testable predictions of more complicated circuits.

parametric amplifiers

SQUID

Author

Kyle Sundqvist

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Seckin Kintas

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Michael Roger Andre Simoen

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Philip Krantz

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Martin Sandberg

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Christopher Wilson

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Per Delsing

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Applied Physics Letters

0003-6951 (ISSN) 1077-3118 (eISSN)

Vol. 103 102603 102603

Areas of Advance

Nanoscience and Nanotechnology (2010-2017)

Subject Categories

Nano Technology

Condensed Matter Physics

DOI

10.1063/1.4819881

More information

Created

10/7/2017