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Phase-controlled unidirectional amplification in a gain-assisted cavity-QED system
Haozhen Li, Ran Zeng, Miao Hu, Mengmeng Xu, Xuefang Zhou, Xiuwen Xia, Jingping Xu, Yaping Yang
Communications in Theoretical Physics . 2026, (2): 25501 .  DOI: 10.1088/1572-9494/adfdb9