Probe absorption characteristics and Kerr effect of a hybrid phonon-spin-magnon system

IF 1.5 4区物理与天体物理 Q3 OPTICS

The European Physical Journal D Pub Date : 2024-08-18 DOI:10.1140/epjd/s10053-024-00896-6

Qing-hong Liao, Chen-ting Deng, Hai-yan Qiu

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Abstract

We theoretically explore the absorption spectra and Kerr effect of a phonon-spin-magnon hybrid system, in which the nitrogen-vacancy (NV) center is coupled with a yttrium iron garnet (YIG) crystal and a mechanical resonator simultaneously. The results indicate that vacuum Rabi splitting can occur in the absorption spectrum by modulating the coupling strength between the YIG sphere and the NV center. We show the vacuum Rabi splitting and the transparency based on mechanically induced coherent population oscillation (MICPO) to be adjusted by the decay rate of the YIG sphere and the mechanical resonator, respectively. Moreover, it is indicated the absorption spectra can be flexibly tuned by changing the frequency tuning of the spin-pump field. Furthermore, the nonlinear Kerr effect is controllable via varying the Rabi frequency. The study could provide a way for general applications in quantum computing devices and quantum information processing.

Graphical abstract

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声子-自旋-磁子混合系统的探针吸收特性和克尔效应

我们从理论上探讨了声子-自旋-磁子混合系统的吸收光谱和克尔效应，在该系统中，氮空位（NV）中心同时与钇铁石榴石（YIG）晶体和机械谐振器耦合。结果表明，通过调节 YIG 球和 NV 中心之间的耦合强度，可以在吸收光谱中产生真空拉比分裂。我们表明，真空拉比分裂和基于机械诱导相干群体振荡（MICPO）的透明度可分别通过 YIG 球和机械谐振器的衰减率来调节。此外，研究还表明，通过改变自旋泵场的频率调节，可以灵活地调整吸收光谱。此外，非线性克尔效应也可以通过改变拉比频率来控制。这项研究可为量子计算设备和量子信息处理的普遍应用提供一种途径。图文摘要

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来源期刊

The European Physical Journal D 物理-物理：原子、分子和化学物理

CiteScore

3.10

自引率

11.10%

发文量

213

审稿时长

3 months

期刊介绍： The European Physical Journal D (EPJ D) presents new and original research results in: Atomic Physics; Molecular Physics and Chemical Physics; Atomic and Molecular Collisions; Clusters and Nanostructures; Plasma Physics; Laser Cooling and Quantum Gas; Nonlinear Dynamics; Optical Physics; Quantum Optics and Quantum Information; Ultraintense and Ultrashort Laser Fields. The range of topics covered in these areas is extensive, from Molecular Interaction and Reactivity to Spectroscopy and Thermodynamics of Clusters, from Atomic Optics to Bose-Einstein Condensation to Femtochemistry.