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Author(s): Yihan Wang, Domenico Bongiovanni, Dario Jukić, Sihong Lei, Zhichan Hu, Daohong Song, Jingjun Xu, Roberto Morandotti, Hrvoje Buljan, and Zhigang Chen Angular momentum conservation stands as one of the most fundamental and robust laws of physics. In discrete lattices, however, its realization can deviate markedly from the continuous case, especially in the presence of nontrivial momentum-space band touchings. Here, we investigate angular...

Author(s): S. A. Moiseev, K. I. Gerasimov, M. M. Minnegaliev, I. V. Brekotkin, and E. S. Moiseev Ramsey resonance is a high-resolution technique used in spectroscopy, precise measurement of time and frequency, and the creation of modern clocks. The Ramsey experiments are typically done in optically dilute samples of atoms to improve homogeneity and avoid backaction of atoms on excitation pulses… [Phys. Rev. Lett. 137, 023603] Published Wed...

Author(s): Akhil Ayyadevara, Anand Prakash, Shovan Dutta, Arun Paramekanti, and S. A. Rangwala Laser-cooled ions confined in electromagnetic traps provide a unique, tunable mesoscopic system where the interplay of the trapping potential, nonlinear Coulomb interactions, and laser-ion scattering generates rich, collective dynamics. In this work, we engineer thermally activated switching between… [Phys. Rev. Lett. 137, 023002] Published Tue Jul...

Author(s): Xueshi Li (李学诗), Ziwei Wang (王子维), Yan Chen (陈岩), Dong Liu ((刘栋), Kaili Xiong (熊凯莉), Guangfeng Wang (王光丰), Jiantao Ma (马剑涛), Ying Yu (喻颖), Jiawei Wang (王嘉威), Zhanling Wang (王占领), Xiao Li (李霄), Xianfeng Chen (陈险峰), Erez Hasman, Bo Wang (王波), Jin Liu (刘进), and Tian Jiang (江天) Cavity quantum electrodynamics (cQED) harnesses light-matter interactions to produce nonclassical light states. However, a fundamental challenge lies in simultaneously...

Author(s): Rui Tian, Yuanbang Wei, Yue Zhang, Hongyan Shi, Qihang Ying, Tianhao Wu, Shuai Li, Hong Gao, Fuli Li, Maksims Arzamasovs, and Bo Liu Floquet engineering, customizing a system using periodic driving, offers a powerful tool to operate topological states of matter and even to create exotic nonequilibrium topological phenomena beyond static scenarios. Here, utilizing the idea of Floquet engineering, we theoretically predict and exper… ...

Author(s): Lei Huang, Weixuan Zhang, Deyuan Zou, Jiacheng Bao, Fengxiao Di, Haoyu Qin, Long Qian, Houjun Sun, and Xiangdong Zhang Microwave lasing carrying orbital angular momentum (OAM) holds significant potential for advanced applications in fields such as high-capacity communications, precision sensing, and radar imaging. However, conventional approaches to masers fail to produce emission with embedded OAM. The recent emerg… [Phys. Rev....

Author(s): Kangkang Li, Yue Wang, Ze Wang, Xin Zhou, Jincheng Li, Yinke Cheng, Binyan Wu, Qihuang Gong, Bei-Bei Li, and Qi-Fan Yang Continuous-variable (CV) quantum microcombs generated in high-$Q$ microresonators provide compact, frequency-multiplexed sources of entangled modes for integrated quantum information processing. Although deterministic Kerr-induced two-mode squeezing has been demonstrated on chip, achieving uniform s… [Phys. Rev...