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Symmetrical Josephson vortex interferometer as an advanced ballistic single-shot detector

I.I. Soloviev ; N. V. Klenov ; S. V. Bakurskiy ; A. L. Pankratov ; Leonid Kuzmin (Institutionen för mikroteknologi och nanovetenskap, Kvantkomponentfysik)
Applied Physics Letters (0003-6951). Vol. 105 (2014), 20, p. Art- no. 202602.
[Artikel, refereegranskad vetenskaplig]

We consider a ballistic detector formed in an interferometer manner which operational principle relies on Josephson vortex scattering at a measurement potential. We propose an approach to symmetrize the detector scheme and explore arising advantages in the signal-to-noise ratio and in the back-action on a measured object by means of recently presented numerical and analytical methods for modeling of a soliton scattering dynamics in the presence of thermal fluctuations. The obtained characteristics for experimentally relevant parameters reveal practical applicability of the considered schemes including possibility of coupling with standard digital rapid single flux quantum circuits.



Denna post skapades 2015-01-05. Senast ändrad 2015-03-06.
CPL Pubid: 209538

 

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Institutioner (Chalmers)

Institutionen för mikroteknologi och nanovetenskap, Kvantkomponentfysik

Ämnesområden

Teknisk fysik

Chalmers infrastruktur