Cold electron Josephson transistor

Alexander Savin, Jukka Pekola, J.T. Flyktman, Anne Anthore

Research output: Contribution to journalArticleScientificpeer-review

24 Citations (Scopus)
133 Downloads (Pure)

Abstract

A superconductor-normal metal-superconductor mesoscopic Josephson junction has been realized in which the critical current is tuned through normal current injection using a symmetric electron cooler directly connected to the weak link. Both enhancement of the critical current by more than a factor of two, and supercurrent suppression have been achieved by varying the cooler bias. Furthermore, this transistor-like device demonstrates large current gain (∼20) and low power dissipation.
Original languageEnglish
Pages (from-to)4179-4181
Number of pages3
JournalApplied Physics Letters
Volume84
Issue number21
DOIs
Publication statusPublished - 24 May 2004
MoE publication typeA1 Journal article-refereed

Keywords

  • Josephson transistor
  • mesoscopic structure
  • normal-metal-superconductor

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