Dissipation-induced nonreciprocal magnon blockade in a magnon-based hybrid system
Dissipation-induced nonreciprocal magnon blockade in a magnon-based hybrid system作者机构：Communications Engineering CollegeArmy Engineering University of PLANanjing 210007China Department of PhysicsWenzhou UniversityWenzhou 325035China Interdisciplinary Center of Quantum InformationState Key Laboratory of Modern Optical Instrumentationand Zhejiang Province Key Laboratory of Quantum Technology and DeviceSchool of PhysicsZhejiang UniversityHangzhou 310027China
出 版 物：《Science China(Physics,Mechanics & Astronomy)》 (中国科学：物理学、力学、天文学（英文版）)
年 卷 期：2022年第65卷第6期
页 面：44-52页
核心收录：
学科分类：07[理学] 0805[工学-材料科学与工程（可授工学、理学学位）] 070201[理学-理论物理] 0704[理学-天文学] 0702[理学-物理学]
基 金：supported by the National Natural Science Foundation of China(Grant Nos.11934010,U1801661,and U21A20436) National Key Research and Development Program of China(Grant No.2016YFA0301200) Zhejiang Province Program for Science and Technology(Grant No.2020C01019) supported by the National Natural Science Foundation of China(Grant No.11804074)
主 题：nonreciprocal magnon blockade non-classical statistics dissipative coupling hybrid system
摘 要：We propose an experimentally realizable nonreciprocal magnonic device at the single-magnon level by exploiting magnon block-ade in a magnon-based hybrid *** coherent qubit-magnon coupling,mediated by virtual photons in a microwave cavity,leads to the energy-level anharmonicity of the composite *** contrast,the corresponding dissipative counterpart,induced by traveling microwaves in a waveguide,yields inhomogeneous broadenings of the energy *** a result,the cooperative effects of these two kinds of interactions give rise to the emergence of the direction-dependent magnon *** show that this can be demonstrated by studying the equal-time second-order correlation function of the magnon *** study opens an avenue to engineer nonreciprocal magnonic devices in the quantum regime involving only a small number of magnons.
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