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DTSTART:20200329T030000
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DTSTART:20191027T020000
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DTSTAMP:20260404T203416Z
UID:5e0e18ea63c25248849101@ist.ac.at
DTSTART:20200316T103000
DTEND:20200316T113000
DESCRIPTION:Speaker: Dorian Gangloff\nhosted by Andrew Higginbotham\nAbstra
 ct: Coherent excitation of an ensemble of quantum objects offers the oppor
 tunity to realise robust entanglement generation and information storage i
 n a quantum memory. In quantum dots\, a single electron spin qubit is a co
 herent interface to an isolated nuclear spin ensemble. Recently\, we have 
 developed an all-optical electron spin resonance technique that\, together
  with our ability to optically cool the nuclear ensemble [1]\, has allowed
  us to perform complex qubit manipulations on the electron spin\, such as 
 to run a spin-locking sequence [2]\, to coherently excite spin-wave modes 
 in the nuclear spin ensemble [3]\, and to sense the effective magnetic fie
 ld from a single nuclear-spin excitation [4]. Combined\, these results ope
 n a promising avenue for quantum state engineering of a mesoscopic ensembl
 e\, and we have recently proposed a realistic path to a nuclear quantum me
 mory based on electron-activated spin waves in GaAs quantum dots [5]. In m
 y talk\, I will briefly summarise these recent experimental results and pr
 oposals for the future.[1] thier-Majcher\, Gangloff et al.\, (2017)\, Phys
 . Rev. Lett. 119\, 130503[2] Bodey et al. (2019) npj Quantum Information 5
  (95)[3] Gangloff\, thier-Majcher\, et al. (2019) Science 364 (6435)[4] Ja
 ckson\, Gangloff\, et al. manuscript in preparation[5] Denning\, Gangloff\
 , et al. (2019) Phys. Rev. Lett. 123\, 140502
LOCATION:Mondi Seminar Room 2\, Central Building\, ISTA
ORGANIZER:tguggenb@ist.ac.at
SUMMARY:Dorian Gangloff: Quantum coherent interface of an electron and a nu
 clear ensemble
URL:https://talks-calendar.ista.ac.at/events/2628
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