Fast and High-Fidelity State Preparation and Measurement in Triple-Quantum-Dot Spin Qubits

Fast and High-Fidelity State Preparation and Measurement in Triple-Quantum-Dot Spin Qubits

We demonstrate rapid high-fidelity state preparation and measurement in exchange-only Si/SiGe triple-quantum-dot qubits. Fast measurement integration (980-ns) and initialization (approximately 300-ns) operations are performed with all-electrical baseband control. We emphasize a leakage-sensitive joi...

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Bibliographic Details
Main Authors: Jacob Z. Blumoff, Andrew S. Pan, Tyler E. Keating, Reed W. Andrews, David W. Barnes, Teresa L. Brecht, Edward T. Croke, Larken E. Euliss, Jacob A. Fast, Clayton A.C. Jackson, Aaron M. Jones, Joseph Kerckhoff, Robert K. Lanza, Kate Raach, Bryan J. Thomas, Roland Velunta, Aaron J. Weinstein, Thaddeus D. Ladd, Kevin Eng, Matthew G. Borselli, Andrew T. Hunter, Matthew T. Rakher
Format: Article
Language:English
Published: American Physical Society 2022-03-01
Series:PRX Quantum
Online Access:http://doi.org/10.1103/PRXQuantum.3.010352

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