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PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-3825
DTSTART:20151111T200000Z
DURATION:PT1H0M0S
DTSTAMP:20260419T110743Z
LAST-MODIFIED:20151028T122643Z
LOCATION:4274 Chamberlin Hall
SUMMARY:Electrically controlled qubits in silicon\, R. G. Herb Condens
 ed Matter Seminar\, Thaddeus Ladd\, HRL Laboratories
DESCRIPTION:Quantum information processing aims to leverage the proper
 ties of quantum mechanics to manipulate information in ways that are n
 ot otherwise possible.  This would enable\, for example\, quantum comp
 uters that could solve certain problems exponentially faster than a co
 nventional supercomputer.  One promising approach for building such a 
 machine is to use gated silicon quantum dots.  In the approach taken a
 t HRL Laboratories\, individual electrons are trapped in a gated poten
 tial well at the barrier of a Si/SiGe heterostructure.  Spins on these
  electrons are compelling candidates for qubits due to their long cohe
 rence time\, all-electrical control\, and compatibility with conventio
 nal fabrication techniques.  In this talk I will discuss the recent de
 monstration of all-electrical control of silicon-based qubits made fro
 m triple quantum dots in isotopically purified material\, including me
 thods to mitigate charge noise.  The results indicate a strong future 
 for silicon-based quantum technology.
URL:https://www.physics.wisc.edu/events/?id=3825
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