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CATEGORIES:Semiconductor Physics Group Seminars
SUMMARY:Towards measuring decoherence times of Undoped GaA
 s/AlGaAs spin qubit (SP Workshop) - Miss Egle Tyla
 ite\, University of Cambridge\, Semiconductor Phys
 ics Group
DTSTART;TZID=Europe/London:20151118T141500
DTEND;TZID=Europe/London:20151118T151500
UID:TALK60988AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/60988
DESCRIPTION:In this workshop I will discuss the prospects of i
 nduced double quantum dots to improve the relaxati
 on and coherence time of electron spin qubit compa
 red to the current record in doped GaAs heterostru
 ctures. The absence of intentional dopants is expe
 cted not only to decrease the number of small angl
 e scattering events\, (which is observed as an inc
 rease in mobility and the fact that lower carrier 
 densities may be \nachieved)\, but it also is expe
 cted to reduce RTS (Random Telegraph Signals) nois
 e which would be beneficial for more accurate curr
 ent measurements. I will present the progress towa
 rds making an undoped \nquantum dots\, getting to 
 the last electron\, as well as the challenges of u
 sing fast measurement techniques - radio frequency
  reflectometry.\n
LOCATION:Mott Seminar Room (Mott Building Room 531)\, Caven
 dish Laboratory
CONTACT:Teri Bartlett
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