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DTSTART:20230312T070000
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DTSTART:20221106T060000
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UID:65694c7991e09
DTSTART;TZID=America/Toronto:20230801T120000
SEQUENCE:0
TRANSP:TRANSPARENT
DTEND;TZID=America/Toronto:20230801T130000
SUMMARY:IQC Student Seminar Featuring Shlok Nahar
CLASS:PUBLIC
DESCRIPTION:Summary \n\nTIME-RESOLVED QUANTUM KEY DISTRIBUTION USING SEMICO
 NDUCTOR QUANTUM\nDOTS WITH OSCILLATING PHOTONIC STATES\n\nAbstract: Quant
 um dot-based entangled photon sources are promising\ncandidates for quantu
 m key distribution (QKD)\, as they can in\nprinciple emit deterministicall
 y\, with high brightness and low\nmultiphoton contribution. However\, quan
 tum dots (QD) often inherently\npossess a fine structure splitting (FSS). 
 Since the entangled photonic\nstate in the presence of non-zero FSS is osc
 illating\, one must settle\nfor a lower efficiency source through temporal
  post-selection or a\nlower measured entanglement fidelity. In both cases\
 , the overall key\nrate is reduced. Our QKD analysis shows that this trade
 -off can be\novercome by constructing a time-resolved QKD protocol where a
 ll photon\npairs emitted by a QD with non-zero FSS can be used in secret k
 ey\ngeneration. This protocol works only when the detection system's\ntemp
 oral resolution is much smaller than the FSS period. By\nimplementing our 
 protocol\, higher key rates can be achieved as\ncompared to previous QKD e
 xperiments with QD entangled photon pair\nsources.\n\n \n\nADD EVENT TO C
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DTSTAMP:20231201T030113Z
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