通过与声子相互作用纠缠腔-磁振子极化子

IF 5.6 2区物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY

Quantum Science and Technology Pub Date : 2025-04-01 DOI:10.1088/2058-9565/adc47d

Xuan Zuo, Zhi-Yuan Fan, Hang Qian, Rui-Chang Shen and Jie Li

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引用次数: 0

摘要

我们展示了如何纠缠由两个强耦合微波腔和磁振子模式形成的两个腔-磁振子极化子（CMPs）。这是通过引入振动声子，通过磁致伸缩，到系统色散耦合到磁振子模式来实现的。当两个CMPs分别与声子散射的驱动场的两个边带共振时，当两个极化子中腔和磁振子模式的比例适当选择时，可以实现两个CMPs之间的静止纠缠。由于磁振子模式包含大量的自旋，纠缠cmp是宏观量子态，可以导致频率纠缠微波光子的发射，在微波量子信息处理和量子计量中有广泛的应用。

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Entangling cavity-magnon polaritons by interacting with phonons

We show how to entangle two cavity-magnon polaritons (CMPs) formed by two strongly coupled microwave cavity and magnon modes. This is realized by introducing vibration phonons, via magnetostriction, into the system that are dispersively coupled to the magnon mode. Stationary entanglement between two CMPs can be achieved when they are respectively resonant with the two sidebands of the drive field scattered by the phonons, and when the proportions of the cavity and magnon modes in the two polaritons are appropriately chosen. The entangled CMPs are macroscopic quantum states as the magnon mode contains a large number of spins, and can lead to the emission of frequency-entangled microwave photons, which find broad applications in microwave quantum information processing and quantum metrology.

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来源期刊

Quantum Science and Technology Materials Science-Materials Science (miscellaneous)

CiteScore

11.20

自引率

3.00%

发文量

133

期刊介绍： Driven by advances in technology and experimental capability, the last decade has seen the emergence of quantum technology: a new praxis for controlling the quantum world. It is now possible to engineer complex, multi-component systems that merge the once distinct fields of quantum optics and condensed matter physics. Quantum Science and Technology is a new multidisciplinary, electronic-only journal, devoted to publishing research of the highest quality and impact covering theoretical and experimental advances in the fundamental science and application of all quantum-enabled technologies.