Extended Data Fig. 3: Detail of the avoided crossing.
From: Directive giant upconversion by supercritical bound states in the continuum
![Extended Data Fig. 3](https://cdn.statically.io/img/media.springernature.com/full/springer-static/esm/art%3A10.1038%2Fs41586-023-06967-9/MediaObjects/41586_2023_6967_Fig7_ESM.jpg)
a, p-polarized transmittance. b, s-polarized transmittance. c,d, Detail of avoided crossing and indication of vector TE-like and TM-like modes evolving into each other, with reference to modes shown in Extended Data Fig. 4.