We used the backpropagation neural network to design a high performance achromatic metalens at visible range. We theoretically demonstrated the existence of Kerr soliton microcombs in an optomechanical microresonator.Interestingly, an exotic vibrational Kerr soliton state is found, which is modulated by a self-sustained mechanical oscillation with a red-detuned pump.Authors: Jia-Chen Shi, State Key Laboratory for Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics, School of Physics, Peking University / Qing-Xin Ji, State Key Laboratory for Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics, School of Physics, Peking University / Qi-Tao Cao, State Key Laboratory for Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics, School of Physics, Peking University / Yan Yu, State Key Laboratory for Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics, School of Physics, Peking University / Wenjing Liu, State Key Laboratory for Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics, School of Physics, Peking University / Qihuang Gong, State Key Laboratory for Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics, School of Physics, Peking University / Yun-Feng Xiao, State Key Laboratory for Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics, School of Physics, Peking University We report topologically-protected entanglement emitters, that emit topological Einstein-Podolsky-Rosen stateand multiphoton entangled state from a plug-and-play silicon-photonic chip in ambient conditions.The device emulating a photonic anomalous Floquet insulator allows the generation of four-photon entangledstates at nontrivial edge modes.Authors: Tianxiang Dai, Peking University / Yutian Ao, Peking University / Jueming Bao, Peking University / Jun Mao, Peking University / Yulin Chi, Peking University / Zhaorong Fu, Peking University / Yilong You, Peking University / Xiaojiong Chen, Peking University / Chonghao Zhai, Peking University / Bo Tang, Chinese Academy of Sciences / Yan Yang, Chinese Academy of Sciences / Zhihua Li, Chinese Academy of Sciences / Luqi Yuan, Shanghai Jiao Tong University / Fei Gao, Zhejiang University / Xiao Lin, Zhejiang University / Mark Thompson, University of Bristol / Jeremy O'Brien, The University of Western Australia, / Yan Li, Peking University / Xiaoyong Hu, Peking University / Qihuang Gong, Peking University / Jianwei Wang, Peking University
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