Bowen Han

Dirac‐Point‐Assisted Topological Charge Exchange in Dual‐Wavelength BIC Vortex Microlasers

ABSTRACT On‐chip lasers that emit wavelength‐multiplexed structured light are important in integrated photonics. Bound states in the continuum (BICs) provide high‐quality resonances with radiation topology, enabling vortex lasing at multiple wavelengths. However, the topological...