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VERSION:2.0
PRODID:Icfo
X-PUBLISHED-TTL:P1W
BEGIN:VEVENT
UID:6ac93d78a9037
DTSTART:20261009T073000Z
SEQUENCE:0
TRANSP:OPAQUE
DTEND:20261009T083000Z
LOCATION:Yellow Lecture Room 247
SUMMARY:ICFO | LUCIANO PEREIRA
CLASS:PUBLIC
DESCRIPTION:Abstract:\nDispersive readout is the standard strategy to measu
 re superconducting qubits. The qubit is coupled to a highly detuned resona
 tor\, which allows the implementation of strong non-demolition or weak con
 tinuous measurements. In this talk\, I will present two results based on d
 ispersive measurements. First\, we show that at strong driving\, the reado
 ut is limited mainly by a measurement-induced rotation of the qubit [1]. R
 otating the qubit into the measurement basis turns dispersive readout into
  longitudinal readout\, which remains quantum non-demolition even at stron
 g driving. Second\, we use continuous dispersive measurements to reconstru
 ct time-dependent Hamiltonians for many-qubit devices\, with rigorous erro
 r bounds and sample complexity guarantees [2].  [1] Coherent correction of
  dispersive qubit readout at strong drive: Ideal longitudinal readout in a
  rotated basis\, L. Pereira\, J. J. Garc&iacute\;a-Ripoll\, T. Ramos\, in 
 preparation. [2] Rigorous Time-dependent Hamiltonian Learning via Continuo
 us Weak Measurements\, J. Jim&eacute\;nez-Rodr&iacute\;guez\, G. Francesch
 etto\, A. Ac&iacute\;n\, and L. Pereira\, arXiv:2607.16047 (2026).
DTSTAMP:20261009T191608Z
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