Optics express
Ultra-low threshold optical bistability assisted by merging bound states in the continuum.
Wenjing Wang, Shijie Liang, Yanyan Huo, Qingyang Yue, Yangjian Cai, Tingyin Ning
Published: 202510.1364/OE.576806
Abstract
We report the optical bistability (OB) working at the ultra-low threshold of intensity in Si metasurfaces of merging bound states in the continuum (BICs). The metasurfaces are designed by periodic Si nanorods, and the merged BICs are realized by modu…
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