Tingting Wu, Chongwu Wang, Guangwei Hu, Zhixun Wang, Jiaxin Zhao, Zhe Wang, Ksenia Chaykun, Lin Liu, Mengxiao Chen, Dong Li, Song Zhu, Qihua Xiong, Zexiang Shen, Huajian Gao, Francisco J Garcia-Vidal, Lei Wei, Qi Jie Wang, Yu Luo
Van der Waals semiconductors exemplified by two-dimensional transition-metal dichalcogenides have promised next-generation atomically thin optoelectronics. Boosting their interaction with light is vital for practical applications, especially in the quantum regime where ultrastrong coupling is highly demanded but not yet realized. Here we report ultrastrong exciton-plasmon coupling at room temperature in tungsten disulfide (WS2 ) layers loaded with a random multi-singular plasmonic metasurface deposited on a flexible polymer substrate...
April 17, 2024: Nature Communications