0.5 K下硅双量子点中的宇称与单态-三重态高保真度读出
介观与纳米尺度物理
2022-07-22 v1
摘要
我们展示了单态-三重态读出与宇称读出，能够区分T0与极化三重态。我们实现了高保真度自旋读出，在0.5 K温度下，读出时间为20 μs时平均保真度高于99.9%，4 μs时保真度达99%。我们以高于99%的保真度在单量子点中初始化单态，并以约95.6%的保真度分离两个电子同时保持相同的自旋态。
引用
@article{arxiv.2207.10523,
title = {Parity and singlet-triplet high fidelity readout in a silicon double quantum dot at 0.5 K},
author = {David J. Niegemann and Victor El-Homsy and Baptiste Jadot and Martin Nurizzo and Bruna Cardoso-Paz and Emmanuel Chanrion and Matthieu Dartiailh and Bernhard Klemt and Vivien Thiney and Christopher Bäuerle and Pierre-André Mortemousque and Benoit Bertrand and Heimanu Niebojewski and Maud Vinet and Franck Balestro and Tristan Meunier and Matias Urdampilleta},
journal= {arXiv preprint arXiv:2207.10523},
year = {2022}
}
备注
13 pages, 12 figures