Supported by the National Natural Science Foundation of China (approval numbers: 51925203, 62075070, 11704085) and other funding, Huazhong University of Science and Technology Professor Li Peining and Zhang Xinliang, National Nanoscience Center Researcher Dai Qing, National University of Singapore Professor Qiu Chengwei and New York State University Professor Andrea Alù The joint research team has made progress in the field of polariton optics and discovered a new "ghost" mode of phonon exciton
The surface phonon excimer is an electromagnetic mode that exists on the interface of the material surface.
The research team returned to traditional crystal materials in order to achieve breakthroughs.
On the one hand, this achievement has revolutionized the previous inherent concept of the mutual restriction between the confinement ability of the polariton light field and its excitation efficiency.
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