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UID:UW-Physics-Event-8016
DTSTART:20221212T160000Z
DURATION:PT1H0M0S
DTSTAMP:20260514T163809Z
LAST-MODIFIED:20221120T184141Z
LOCATION:B343 Sterling
SUMMARY:Superconductor-semiconductor hybrid systems for quantum comput
 ing applications\, Preliminary Exam\, Ben Harpt\, Physics Graduate Stu
 dent
DESCRIPTION:In the global pursuit to develop quantum computers with un
 precedented problem-solving capabilities\, success hinges upon enginee
 ring platforms that are both controllable and scalable. Superconductor
 s and semiconductors are\, individually\, among the most promising mat
 erials platforms for building a solid-state quantum processor. However
 \, combing the advantages of both materials to build hybrid quantum de
 vices unlocks yet further potential. In this talk\, I overview the phy
 sics of ‘super-semi’ hybrid systems and discuss how it forms a bas
 is for new technologies in quantum computing. I focus in detail on two
  diverse applications which are the primary focus of my doctoral resea
 rch: (1) superconducting resonators used for readout of quantum dot qu
 bits\; and (2) qubits formed from Josephson junctions in proximitized 
 germanium heterostructures. In the former example\, I show completed w
 ork identifying and utilizing a little-known coupling mechanism betwee
 n the qubit and the resonator. In the latter\, I demonstrate early pro
 gress toward developing devices and outline a pathway for future resea
 rch. Studying these and other super-semi hybrid systems offers fruitfu
 l new physics and technologies for scaling up quantum computers.
URL:https://www.physics.wisc.edu/events/?id=8016
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