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UID:6a483fe2a9d24
DTSTART:20260713T100000Z
SEQUENCE:0
TRANSP:OPAQUE
DTEND:20260713T110000Z
LOCATION:Seminar Room
SUMMARY:ICFO | KONRAD VIEHBAN
CLASS:PUBLIC
DESCRIPTION:Neutral atoms trapped in optical lattices represent one of the 
 most promising and highly coherent platforms for quantum information proce
 ssing\, quantum simulation\, and precision measurement. However\, unlockin
 g their full potential requires the ability to dynamically manipulate and 
 route individual atoms to induce controlled interactions. In this talk\, I
  will present a robust transport method based on topological pumping (a co
 ncept borrowed from condensed-matter physics) to precisely and bi-directio
 nally shuttle atoms across an optical lattice. We demonstrate that when tw
 o atoms are brought together at a single lattice site\, they undergo a hig
 hly coherent collision process\, allowing us to realise fundamental two-qu
 bit quantum logic gates [1]. By leveraging this technique\, we showcase th
 e programmable creation of entangled quantum states [2]. Finally\, we will
  discuss how this scalable architecture opens new frontiers for building l
 arge-scale quantum computers and exploring novel regimes in quantum simula
 tion.\n[1] Kiefer et al. Nature (2026) &ldquo\;Protected quantum gates usi
 ng qubit doublons in dynamical optical lattices&rdquo\;[2] Kiefer et al. a
 rXiv:2606.13772 &ldquo\;Programming spin correlations in a fermionic latti
 ce quantum simulator\"
DTSTAMP:20260703T230402Z
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