Explanipedia

Strong coupling between a single-photon and a two-photon Fock state Open

Shuai-Peng Wang, Alberto Mercurio, A. Ridolfo, Yuqing Wang, Mo Chen , et al. · 2025

Unidirectional perfect absorption induced by chiral coupling in spin-momentum locked waveguide magnonics Open

Jie Qian, Hong Qi, Ziyuan Wang, Wen Qiao Wu, Yanling Yang , et al. · 2025

Chiral coupling offers alternative avenues for controlling and exploiting light-matter interactions. We demonstrate that chiral coupling can be utilized to achieve unidirectional perfect absorption. In our experiments, chiral magnon-photon…

Cavity-magnon polaritons strongly coupled to phonons Open

Rui-Chang Shen, Jie Li, Yiming Sun, Wei-Jiang Wu, Xuan Zuo , et al. · 2025

Building hybrid quantum systems is a crucial step for realizing multifunctional quantum technologies, quantum information processing, and hybrid quantum networks. A functional hybrid quantum system requires strong coupling among its compon…

Evaluation of cultivated land ecosystem service value in the black soil region of Northeast China Open

J. Q. You, Shanlin Huang · 2025

Black soil, a globally scarce resource, is essential to ensure food security and eradicate hunger, especially in China. Given the acute threats confronting cultivated land in Northeast China's Black Soil Region and the sluggish progress in…

Quantum nonlinear magnonics: Magnon squeezing in the quantum regime Open

J. Q. You, Yuan-Chao Weng, Da Xu, Zhen Chen, Lianjiang Tan , et al. · 2025

Squeezed states – quantum states with reduced fluctuations in one quadrature and amplified noise in its conjugate counterpart – serve as foundational resources for quantum-enhanced metrology and nonclassical state engineering [1]. These st…

Endoscopic retrieval of phleboliths in the infratemporal fossa: A rare case report Open

Hui-Zhao Wu, Tung-Nien Hsu, C.-C. Huang, J. Q. You · 2025

Macroscopic Bell state between a millimeter-sized spin system and a superconducting qubit Open

Da Xu, Xu-Ke Gu, Yuan-Chao Weng, Hekang Li, Yi‐Pu Wang , et al. · 2024

Entanglement is a fundamental property in quantum mechanics that systems share inseparable quantum correlation regardless of their mutual distances. Owing to the fundamental significance and versatile applications, the generation of quantu…

Microwave-to-optics conversion using magnetostatic modes and a tunable optical cavity Open

Weijiang Wu, Yi‐Pu Wang, Jie Li, Gang Li, J. Q. You · 2024

Quantum computing, quantum communication and quantum networks rely on hybrid quantum systems operating in different frequency ranges. For instance, the superconducting qubits work in the gigahertz range, while the optical photons used in c…

Strong coupling between a single-photon and a two-photon Fock state Open

Shuai-Peng Wang, Alberto Mercurio, A. Ridolfo, Yuqing Wang, Mo Chen , et al. · 2024

The realization of strong nonlinear coupling between single photons has been a long-standing goal in quantum optics and quantum information science, promising wide impact applications, such as all-optical deterministic quantum logic and si…

Synthetically enhanced sensitivity using higher-order exceptional point and coherent perfect absorption Open

Yaodong Hu, Yi-Pu Wang, Ruichang Shen, Ziqi Wang, Wei-Jiang Wu , et al. · 2024

Sensors play a crucial role in advanced apparatuses and it is persistently pursued to improve their sensitivities. Recently, the singularity of a non-Hermitian system, known as the exceptional point (EP), has drawn much attention for this …

Scattering description of edge states in Aharonov-Bohm triangle chains Open

Zhi-Hai Liu, O. Entin-Wohlman, Amnon Aharony, J. Q. You, H. Q. Xu · 2023

Scattering theory has been suggested as a convenient method to identify topological phases of matter, in particular of disordered systems for which the Bloch band-theory approach is inapplicable. Here we examine this idea, employing as a b…

Realization of the unidirectional amplification in a cavity magnonic system Open

Ziyuan Wang, Jie Qian, Yi‐Pu Wang, Jie Li, J. Q. You · 2023

We experimentally demonstrate the nonreciprocal microwave amplification using a cavity magnonic system, consisting of a passive cavity (i.e., the split-ring resonator), an active feedback circuit integrated with an amplifier, and a ferroma…

Polaromechanics: cavity-magnon polaritons strongly coupled to phonons Open

Ruichang Shen, Jie Li, Wei-Jiang Wu, Xuan Zuo, Yi‐Pu Wang , et al. · 2023

Building hybrid quantum systems is a crucial step for realizing multifunctional quantum technologies, quantum information processing, and hybrid quantum networks. A functional hybrid quantum system requires strong coupling among its compon…

Probing the symmetry breaking of a light–matter system by an ancillary qubit Open

Shuai-Peng Wang, A. Ridolfo, Tiefu Li, Salvatore Savasta, Franco Nori , et al. · 2023

Observation of strong coupling between a mechanical oscillator and a cavity-magnon polariton Open

Rui-Chang Shen, Jie Li, Wei-Jiang Wu, Xuan Zuo, Yi‐Pu Wang , et al. · 2023

Source data for Figures.

Observation of strong coupling between a mechanical oscillator and a cavity-magnon polariton Open

Rui-Chang Shen, Jie Li, Wei-Jiang Wu, Xuan Zuo, Yi‐Pu Wang , et al. · 2023

Source data for Figures.

Enhanced Strong Coupling between Spin Ensemble and non-Hermitian Topological Edge States Open

Jie Qian, Jie Li, Shi‐Yao Zhu, J. Q. You, Yi‐Pu Wang · 2023

Light-matter interaction is crucial to both understanding fundamental phenomena and developing versatile applications. Strong coupling, robustness, and controllability are the three most important aspects in realizing light-matter interact…

Realization of the unidirectional amplification in a cavity magnonic system Open

Ziyuan Wang, Jie Qian, Yi‐Pu Wang, Jie Li, J. Q. You · 2023

We experimentally demonstrate the nonreciprocal microwave amplification using a cavity magnonic system, consisting of a passive cavity (i.e., the split-ring resonator), an active feedback circuit integrated with an amplifier, and a ferroma…

Environmental Value Assessment of Plastic Pollution Control: A Study Based on Evidence from a Survey in China Open

Lingmei Han, J. Q. You, Jiening Meng · 2023

A scientific environmental management decision is based on the correct assessment of environmental value. Aiming to objectively and accurately assess the environmental value of plastic pollution treatment, in this paper, we design a choice…

Giant spin ensembles in waveguide magnonics Open

Ziqi Wang, Yi‐Pu Wang, J. Yao, Rui-Chang Shen, Wei-Jiang Wu , et al. · 2022

Observation of many-body Fock space dynamics in two dimensions Open

Yunyan Yao, Liang Xiang, Zexian Guo, Zehang Bao, Yong-Feng Yang , et al. · 2022

Quantum many-body simulation provides a straightforward way to understand fundamental physics and connect with quantum information applications. However, suffering from exponentially growing Hilbert space size, characterization in terms of…

Squeezing microwaves by magnetostriction Open

Jie Li, Yi‐Pu Wang, J. Q. You, Shi‐Yao Zhu · 2022

Squeezed light finds many important applications in quantum information science and quantum metrology, and has been produced in a variety of physical systems involving optical non-linear processes. Here, we show how a non-linear magnetostr…

Observation of nonlinearity and heating-induced frequency shifts in cavity magnonics Open

Wei-Jiang Wu, Da Xu, Jie Qian, Jie Li, Yi‐Pu Wang , et al. · 2022

When there is a certain amount of field inhomogeneity, the biased ferrimagnetic crystal can exhibit the higher-order magnetostatic (HMS) mode in addition to the uniform-precession Kittel mode. In cavity magnonics, we show the nonlinearity …

Steady-entangled-state generation via the cross-Kerr effect in a ferrimagnetic crystal Open

Zhi‐Bo Yang, Wei-Jiang Wu, Jie Li, Yi‐Pu Wang, J. Q. You · 2022

For solid-state spin systems, the collective spin motion in a single crystal embodies multiple magnetostatic modes. Recently, it was found that the cross-Kerr interaction between the higher-order magnetostatic mode and the Kittel mode intr…

Tunable quantum interference effects in Floquet two- and three-level systems Open

Yingying Han, Minchen Qiao, Xiao‐Qing Luo, Tiefu Li, Wenxian Zhang , et al. · 2022

Quantum interference effects in the unmodulated quantum systems with light-matter interaction have been widely studied, such as electromagnetically induced transparency (EIT) and Autler-Townes splitting (ATS). However, the similar quantum …

Strong long-range spin-spin coupling via a Kerr magnon interface Open

Wei Xiong, Miao Tian, Guoqiang Zhang, J. Q. You · 2022

Strong long-range coupling between distant spins is crucial for spin-based\nquantum information processing. However, achieving such a strong spin-spin\ncoupling remains challenging. Here we propose to realize a strong coupling\nbetween two…

Multipartite entanglement of the topologically ordered state in a perturbed toric code Open

Yu-Ran Zhang, Yu Zeng, Tao Liu, Heng Fan, J. Q. You , et al. · 2022

We demonstrate that multipartite entanglement, witnessed by the quantum Fisher information (QFI), can characterize topological quantum phase transitions in the spin-$\frac{1}{2}$ toric code model on a square lattice with external fields. W…

Dissipation-induced nonreciprocal magnon blockade in a magnon-based hybrid system Open

Yimin Wang, Wei Xiong, Zhiyong Xu, Guo-Qiang Zhang, J. Q. You · 2022

Optical sensing of magnons via the magnetoelastic displacement Open

Zhiyuan Fan, Rui-Chang Shen, Yi‐Pu Wang, Jie Li, J. Q. You · 2022

We show how to measure a steady-state magnon population in a magnetostatic\nmode of a ferromagnet or ferrimagnet, such as yttrium iron garnet. We adopt an\noptomechanical approach and utilize the magnetoelasticity of the ferromagnet.\nThe …

Coherent coupling in a driven qubit-magnon hybrid quantum system Open

Da Xu, Yi‐Pu Wang, Tiefu Li, J. Q. You · 2022

We experimentally demonstrate the strong coupling between the ferromagnetic magnons in an yttrium-iron-garnet (YIG) sphere and the drive-field-induced dressed states of a superconducting qubit, which gives rise to the double dressing of th…

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