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UID:UW-Physics-Event-8824
DTSTART:20240805T190000Z
DTEND:20240805T210000Z
DTSTAMP:20260413T184845Z
LAST-MODIFIED:20240716T025734Z
LOCATION:5310 Chamberlin Hall
SUMMARY:Generating entangling gates in superconducting quantum circuit
 \, Thesis Defense\, Yinqi Chen\, Physics PhD Graduate Student
DESCRIPTION:Qubit entanglement is a crucial step toward a universal qu
 antum computer. A qubit system based on superconducting circuit has th
 e advantage that it is easy to achieve relatively strong coupling betw
 een qubits\, therefore fast entanglement is possible. This thesis focu
 ses on the method to manipulate fast entanglement in a superconducting
  quantum circuit\, in particular on the method to realize fast entangl
 ing two-qubit gate. The first half of the thesis presents the result o
 f fast high-fidelity two-qubit gate on fluxonium qubits\, specifically
  the sqrt-iSWAP gate and the cross-resonant CNOT gate. The second half
  of the thesis starts with a general investigation on the parametric q
 uantum state transfer between two quantum resonators\, then presents a
 n application of parametric transfer to the gatemon qubit system. The 
 result demonstrates that parametric resonance enables fast and high-fi
 delity iSWAP\, CNOT\, and sqrt-iSWAP gate on gatemon qubits.
URL:https://www.physics.wisc.edu/events/?id=8824
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