Optically tailored trapping geometries for ultracold atoms on a type-II superconducting chip

Francesca Tosto, Phyo Baw Swe, Nghia Tin Nguyen, Christoph Hufnagel, María Martínez Valado, Leonid Prigozhin, Vladimir Sokolovsky, Rainer Dumke

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Superconducting atom chips have very significant advantages in realizing trapping structures for ultracold atoms compared to conventional atom chips. We extend these advantages further by developing the ability to dynamically tailor the superconducting trap architecture. Heating the chosen parts of a superconducting film by transferring optical images onto its surface, we are able to modify the current density distribution and create desired trapping potentials. This method enables us to change the shape and structure of magnetic traps, enabling versatile applications in atomtronics.

Original languageEnglish
Article number222601
JournalApplied Physics Letters
Volume114
Issue number22
DOIs
StatePublished - 3 Jun 2019

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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