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SUMMARY:The quantum knitting machine: a quantum dot as device for determin
 istic production of cluster states of many entangled photons
DTSTART:20180112T141500
DTSTAMP:20260407T064244Z
UID:c3743b4b55aaf32e72af9cb30d4deeb46209ace237356a49fcf65573
CATEGORIES:Conferences - Seminars
DESCRIPTION:  Prof. David Gershoni\, Physics Department and Solid State 
 Institute\, Technion\, Haifa\, Israel\nPhotonic cluster states are a resou
 rce for quantum computation based solely on single-photon measurements [1]
 . We use semiconductor quantum dots to deterministically generate long str
 ings of polarization-entangled photons in a cluster state by periodic time
 d excitation of a precessing matter qubit [1-2]. In each period\, an entan
 gled photon is added to the cluster state formed by the matter qubit and t
 he previously emitted photons. In our prototype device\, the qubit is the
  confined dark exciton\, and it produces strings of hundreds of photons in
  which the entanglement persists over five sequential photons [3]\n \nRef
 erences\n[1] H. J. Briegel\, Science 354\, 416 (2016)\n[2] N. H. Lindne
 r and T. Rudolph\, Phys. Rev. Lett. 103\, 113602 (2009)\n[3] I. Schwart
 z\, et al\, Science 354\, 434\, (2016).\nAbout the research of the speake
 r: https://phsites.technion.ac.il/gershoni/\n 
LOCATION:CE 1 5 https://plan.epfl.ch/?room==CE%201%205
STATUS:CONFIRMED
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