An insight into voltage-biased superconducting quantum interference devices

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dc.contributor.authorLiu, Chao
dc.contributor.authorZhang, Yi
dc.contributor.authorMück, Michael
dc.contributor.authorKrause, Hans-Joachim
dc.contributor.authorBraginski, Alex I.
dc.contributor.authorXie, Xiaoming
dc.contributor.authorOffenhäusser, Andreas
dc.contributor.authorJiang, Mianheng
dc.date.accessioned2023-06-02T13:37:46Z
dc.date.available2015-07-17T13:02:09Z
dc.date.available2023-06-02T13:37:46Z
dc.date.issued2012
dc.description.abstractWe experimentally studied two important parameters of helium-cooled superconducting quantum interference devices (SQUIDs) in the voltage bias mode: the dynamic resistance Rd and the flux-to-current transfer coefficient ?i/?phi, with different junction shunt resistors RJ. We investigated a voltage-biased SQUID using the direct readout current-to-voltage converter scheme involving an operational amplifier. At higher RJ, the flux-to-voltage conversion coefficient ?V/?phi becomes sufficiently large to effectively suppress the room-temperature amplifier´s noise without any need for additional feedback circuits. The McCumber parameter limits the rise of ?V/?phi. We discuss the performance of voltage-biased SQUIDs at different effective McCumber parameters.en
dc.identifier.urihttp://nbn-resolving.de/urn:nbn:de:hebis:26-opus-98922
dc.identifier.urihttps://jlupub.ub.uni-giessen.de//handle/jlupub/16406
dc.identifier.urihttp://dx.doi.org/10.22029/jlupub-15786
dc.language.isoende_DE
dc.rightsIn Copyright*
dc.rights.urihttp://rightsstatements.org/page/InC/1.0/*
dc.subject.ddcddc:530de_DE
dc.titleAn insight into voltage-biased superconducting quantum interference devicesen
dc.typearticlede_DE
local.affiliationFB 07 - Mathematik und Informatik, Physik, Geographiede_DE
local.commentDieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG geförderten) Allianz- bzw. Nationallizenz frei zugänglich. This publication is with permission of the rights owner freely accessible due to an Alliance licence and a national licence (funded by the DFG, German Research Foundation) respectively.
local.opus.fachgebietPhysikde_DE
local.opus.id9892
local.opus.instituteInstitute of Applied Physicsde_DE
local.source.freetextApplied Physics Letters 101(22):222602 doi:10.1063/1.4768698de_DE
local.source.urihttps://doi.org/10.1063/1.4768698

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