Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session B07: Electron and Hole Based Spin Qubits in Heterostructures
11:15 AM–2:03 PM,
Monday, March 2, 2020
Room: 102
Sponsoring
Unit:
DQI
Chair: Manuel Rispler, Delft University of Technology
Abstract: B07.00001 : Electric dipole-induced spin resonance of holes in Ge/Si nanowires*
Presenter:
Floris Braakman
(University of Basel)
Authors:
Florian Froning
(University of Basel)
Leon Camenzind
(University of Basel)
Ang Li
(Institute of Microstructure and Property of Advanced Materials, Beijing University of Technology)
Erik Bakkers
(Applied Physics, Eindhoven University of Technology)
Dominik Zumbuhl
(University of Basel)
Floris Braakman
(University of Basel)
Here we perform hole spin spectroscopy through the measurement of EDSR transitions between double dot spin states under various resonance conditions. In particular, we characterize the hole g-tensor as well as the direction of the effective spin-orbit magnetic field through an investigation of EDSR transitions as a function of the magnitude and orientation of an applied external magnetic field . Knowledge of these parameters allows tuning the system towards optimized Rabi oscillation frequencies and minimized decoherence.
*Supported by the Swiss National Science Foundation, the Swiss Nanoscience Institute, and the European Microkelvin Platform.
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