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DTSTART:20230312T070000
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DTSTART:20221106T060000
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DTSTART;TZID=America/Toronto:20230801T120000
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URL:https://uwaterloo.ca/institute-for-quantum-computing/events/iqc-student
 -seminar-featuring-shlok-nahar-0
LOCATION:QNC - Quantum Nano Centre 200 University Avenue West QNC 1201 Wate
 rloo ON N2L 3G1 Canada
SUMMARY:IQC Student Seminar Featuring Shlok Nahar
CLASS:PUBLIC
DESCRIPTION:TIME-RESOLVED QUANTUM KEY DISTRIBUTION USING SEMICONDUCTOR QUAN
 TUM\nDOTS WITH OSCILLATING PHOTONIC STATES\n\nAbstract: Quantum dot-based
  entangled photon sources are promising\ncandidates for quantum key distri
 bution (QKD)\, as they can in\nprinciple emit deterministically\, with hig
 h brightness and low\nmultiphoton contribution. However\, quantum dots (QD
 ) often inherently\npossess a fine structure splitting (FSS). Since the en
 tangled photonic\nstate in the presence of non-zero FSS is oscillating\, o
 ne must settle\nfor a lower efficiency source through temporal post-select
 ion or a\nlower measured entanglement fidelity. In both cases\, the overal
 l key\nrate is reduced. Our QKD analysis shows that this trade-off can be\
 novercome by constructing a time-resolved QKD protocol where all photon\np
 airs emitted by a QD with non-zero FSS can be used in secret key\ngenerati
 on. This protocol works only when the detection system's\ntemporal resolut
 ion is much smaller than the FSS period. By\nimplementing our protocol\, h
 igher key rates can be achieved as\ncompared to previous QKD experiments w
 ith QD entangled photon pair\nsources.\n\nADD EVENT TO CALENDAR\n\nApple [
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DTSTAMP:20260405T081715Z
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