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DTSTART:20210328T030000
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DTSTAMP:20260404T110204Z
UID:1624284000@ist.ac.at
DTSTART:20210621T160000
DTEND:20210621T170000
DESCRIPTION:Speaker: Michel Devoret\nhosted by Johannes Fink\nAbstract: The
  accuracy of logical operations on quantum bits (qubits) must be improved 
 for quantum computers to surpass classical ones in useful tasks. To that e
 ffect\, quantum information must be robust to noise that affects the under
 lying physical system. Rather than suppressing noise\, quantum error corre
 ction  aims at preventing it from causing logical errors. This approach d
 erives from the reasonable assumption that noise is local: it does not act
  in a coordinated way on different parts of the physical system. Therefore
 \, if a logical qubit is encoded non-locally\, it is possible\, during a l
 imited time\,  to detect and correct noise-induced evolution before it co
 rrupts the encoded information. We will discuss how recent experiments [1
 \, 2] based on superconducting cavities and transmon artificial atoms - em
 ployed here as ancillary non-linear elements - realize this error correcti
 on\, and its  prospect for reservoir engineering implementations that wou
 ld realize the desirable next stage: autonomous quantum error correction.[
 1] Grimm et al. \, Nature\, 584\, 205–209 (2020)\; [2] Campagne-Ibarcq 
 et al.\, Nature\, 584\, 368-372 (2020).
LOCATION:Online\, ISTA
ORGANIZER:arinya.eller@ist.ac.at
SUMMARY:Michel Devoret: Correcting decoherence errors in quantum supercondu
 cting circuits
URL:https://talks-calendar.ista.ac.at/events/3056
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