Programmable Topological Charge Vector Laser

Designable topological charges

Based on Möbius-like correspondence in quasi-BICs, this laser achieves designable topological charges from -5 to +5, providing a compact topological source.

Xinhao, Wang · Zhaochen, Wu · Wang, Jiajun · Shi, Lei · Zi, Jian

Light: Science and Applications 2026

Advantages

Experimentally realized vectorial lasing with designable topological charges from -5 to +5

Based on Möbius-like correspondence in quasi-BICs (q-BICs)