Efficient polarization-insensitive quasi-BIC modulation by VO2 thin films
Hongkun Zhong,
Tiantian He,
Yuhao Wang
et al.
Abstract:Bound states in the continuum (BIC) offer great design freedom for realizing high-quality factor metasurfaces. By deliberately disrupting the inherent symmetries, BIC can degenerate into quasi-BIC exhibiting sharp spectra with strong light confinement. This transformation has been exploited to develop cutting-edge sensors and modulators. However, most proposed quasi-BICs in metasurfaces are composed of unit cells with Cs symmetry that may experience performance degradation due to polarization deviation, posing… Show more
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