Stabilization of a silicon double quantum dot based on a multi-dimensional gradient descent technique

With a view to long-term qubit device operation, we report on a method to stabilize a silicon double quantum dot against slow drift in a two-dimensional gate-voltage space based on a current gradient-based feedback technique. We demonstrate that, unlike conventional single-axis feedback schemes, our...

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Bibliographic Details
Main Authors:	Chutian Wen, Hiroki Takahashi, Sayyid Irsyadul Ibad, Shimpei Nishiyama, Kimihiko Kato, Yongxun Liu, Shigenori Murakami, Takahiro Mori, Raisei Mizokuchi, Jun Yoneda, Tetsuo Kodera
Format:	Article
Language:	English
Published:	IOP Publishing 2025-01-01
Series:	Applied Physics Express
Subjects:	silicon quantum dots charge noise multi-dimensional feedback control
Online Access:	https://doi.org/10.35848/1882-0786/ad9af8
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Stabilization of a silicon double quantum dot based on a multi-dimensional gradient descent technique

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