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DTSTART:20230312T070000
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DTSTART:20221106T060000
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DTSTART;TZID=America/Toronto:20230328T120000
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URL:https://uwaterloo.ca/institute-for-quantum-computing/events/iqc-student
 -seminar-featuring-junan-lin
LOCATION:QNC - Quantum Nano Centre 200 University Avenue West QNC 1201 Wate
 rloo ON N2L 3G1 Canada
SUMMARY:IQC Student Seminar featuring Junan Lin
CLASS:PUBLIC
DESCRIPTION:CHARACTERIZING STATES AND MEASUREMENTS: PRINCIPLES AND APPROACH
 ES\n\nAbstract: The problem of separately characterizing state preparatio
 n\nand measurement (SPAM) processes has not been frequently discussed in\n
 the literature. In this talk\, I will first review the theoretical\nchalle
 nge behind SPAM characterization due to a gauge freedom\, and\nthen descri
 be two different principles that can be applied to get\naround it. The fir
 st one can be understood as an effective propagation\nof state preparation
  noise from the target system to an ancillary\nqubit\, whereas the second 
 one utilizes measurements and post-selection\nto reduce the state preparat
 ion noise and can be interpreted as a form\nof algorithmic cooling. For th
 e first method\, I will present\nexperimental and simulation data obtained
  from real quantum\nprocessors. For the second method\, I will analyze its
  overhead through\nan upper bound on the expected number of runs to achiev
 e a given\nerror-reduction ratio.
DTSTAMP:20260407T035715Z
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