氧化镁和氧化铝镁的偏振依赖性光致发光

IF 2.3 4区物理与天体物理 Q3 PHYSICS, APPLIED

Applied Physics Express Pub Date : 2024-07-18 DOI:10.35848/1882-0786/ad59f4

Manato Kawahara, Yuichiro Abe, Koki Takano, F. Joseph Heremans, Jun Ishihara, Sean E. Sullivan, Christian Vorwerk, Vrindaa Somjit, Christopher P. Anderson, Gary Wolfowicz, Makoto Kohda, Shunsuke Fukami, Giulia Galli, David D. Awschalom, Hideo Ohno and Shun Kanai

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引用次数: 0

摘要

由于固态自旋中心的量子比特性能在很大程度上取决于宿主材料，因此使用新宿主材料的自旋中心可能会提供新的量子比特应用。我们研究了作为容纳光学可及量子比特的潜在材料的 Ce-implanted MgO 和 MgAl2O4 的光学特性。我们发现，Ce 植入 MgAl2O4 的光致发光比 Ce 植入 MgO 的光致发光亮 10 倍以上，并观察到 MgAl2O4 中的 Ce 中心在 4 K 下 500 mT 的偏振依赖性发射率为 2%，这表明已经实现了初始化和读取自旋量子比特状态所需的特性。

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Polarization-dependent photoluminescence of Ce-implanted MgO and MgAl2O4

Since the qubit’s performance of solid-state spin centers depends highly on the host material, spin centers using new host materials may offer new qubit applications. We investigate the optical properties of Ce-implanted MgO and MgAl2O4 as potential materials holding the optically accessible qubit. We find that the photoluminescence of Ce-implanted MgAl2O4 is more than 10 times brighter than that of Ce-implanted MgO and observe polarization-dependent emission of Ce center in MgAl2O4 with 2% at 4 K under 500 mT, suggesting that the properties required for initializing and reading the state of the spin qubit have been achieved.

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来源期刊

Applied Physics Express 物理-物理：应用

CiteScore

4.80

自引率

8.70%

发文量

310

审稿时长

1.2 months

期刊介绍： Applied Physics Express (APEX) is a letters journal devoted solely to rapid dissemination of up-to-date and concise reports on new findings in applied physics. The motto of APEX is high scientific quality and prompt publication. APEX is a sister journal of the Japanese Journal of Applied Physics (JJAP) and is published by IOP Publishing Ltd on behalf of the Japan Society of Applied Physics (JSAP).