Computer-automated tuning of semiconductor double quantum dots into the single-electron regime
Computer-automated tuning of semiconductor double quantum dots into the single-electron regime
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DOI：
10.1063/1.4952624
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发表时间：
2016-05-23
影响因子：
4
通讯作者：
Vandersypen, L. M. K.
中科院分区：
文献类型：
--
作者：
Baart, T. A.;Eendebak, P. T.;Vandersypen, L. M. K.
我们报告了 GaAs 异质结构中门定义半导体双量子点的计算机自动调谐。我们通过在四个量子点的线性阵列内创建三个双量子点来对算法进行基准测试。该算法为所有栅极设置正确的栅极电压，以将双量子点调整为单电子状态。该算法仅需要（1）门设计的先验知识和（2）由所有量子点共享的单个门T的夹断值。这项工作显着减轻了用户调整多个量子点设备所需的工作量。由 AIP 出版社出版。
We report the computer-automated tuning of gate-defined semiconductor double quantum dots in GaAs heterostructures. We benchmark the algorithm by creating three double quantum dots inside a linear array of four quantum dots. The algorithm sets the correct gate voltages for all the gates to tune the double quantum dots into the single-electron regime. The algorithm only requires (1) prior knowledge of the gate design and (2) the pinch-off value of the single gate T that is shared by all the quantum dots. This work significantly alleviates the user effort required to tune multiple quantum dot devices. Published by AIP Publishing.