Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session W46: Silicon Qubits IV - Characterization and Modeling
3:00 PM–5:48 PM,
Thursday, March 7, 2024
Room: 200AB
Sponsoring
Unit:
DQI
Chair: Felix Beaudoin, Nanoacademic Technologies inc
Abstract: W46.00002 : Si/SiGe spin qubit with full 300mm process*
3:12 PM–3:24 PM
Presenter:
Clement Godfrin
(IMEC)
Authors:
Clement Godfrin
(IMEC)
Thomas Koch
(KIT)
Ruoyu Li
(IMEC)
George Simion
(IMEC)
Stefan Kubicek
(IMEC)
Shana Massar
(IMEC)
Yann Canvel
(IMEC)
Julien Jussot
(IMEC)
Julien Jussot
(IMEC)
Roger Loo
(IMEC)
Yosuke Shimura
(IMEC)
Massimo Mongillo
(IMEC)
Danny Wan
(IMEC)
Wolfgang Wernsdorfer
(KIT)
Kristiaan De Greve
(IMEC)
Here we demonstrate the effectiveness of this strategy by reporting the latest results obtained on Si/SiGe quantum devices: valley-splitting around 100 µeV, charge noise values of 1 µeV/√Hz, double dot tunnel coupling tunability over 3 order of magnitude up to 100GHz, spin relaxation times above 1s and coherence time T2* and T2 respectively of 1 µs and 45 µs for natural silicon.
* This work is supported, in part, by the imec Industrial Affiliation Program on Quantum Computing. We acknowledge support from the European Union's Horizon 2020 research and innovation programme QLSI project under grant agreement No 951852
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