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DTSTART:20230312T070000
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DTSTART:20221106T060000
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UID:69e56f245f774
DTSTART;TZID=America/Toronto:20230804T093000
SEQUENCE:0
TRANSP:TRANSPARENT
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URL:https://uwaterloo.ca/institute-for-quantum-computing/events/pei-jiang-l
 ow-phd-thesis-defence
LOCATION:QNC - Quantum Nano Centre 200 University Avenue West QNC 1201 (Hyb
 rid) Waterloo ON N2L 3G1 Canada
SUMMARY:Pei Jiang Low PhD Thesis Defence
CLASS:PUBLIC
DESCRIPTION:CONTROL AND READOUT OF HIGH-DIMENSIONAL TRAPPED ION QUDITS\n\nT
 he trapped ion platform is one of the quantum computing platforms\nthat is
  at the forefront for realizing large-scale quantum information\nprocessin
 g\, which is crucial for practically actualizing the\nadvantages of quantu
 m algorithms. Scaling up the trapped ion quantum\ncomputing architecture r
 emains a challenge. We explore an alternative\navenue in a trapped ion sys
 tem for increasing the computational\nHilbert space other than trapping mo
 re ions\, which is by increasing\nthe qudit dimension of an ion. Our ion o
 f choice is 137Ba+\, which has\na rich energy level structure for high-dim
 ensional qudit encoding.\nUtilizing the additional energy states found in 
 137Ba+ also comes with\nnon-trivial complexities that require careful cons
 iderations\, which we\nhave solved and report in this work. We report on a
  single-shot state\nmeasurement protocol which allows qudit encoding in 13
 7Ba+ of up to 25\nlevels\, and demonstrate state preparation and measureme
 nt of up to 13\nlevels\, which is unprecedented in a trapped ion system. T
 his PhD\ndefense presentation also covers some other interesting topics wi
 thin\nthe thesis\, which include our experimental setup\, barium ion loadi
 ng\nvia laser ablation\, and detailed studies of some experimental\nobserv
 ations that may not be intuitively clear.
DTSTAMP:20260420T001116Z
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