Vortex beams exciting Dirac cones in honeycomb and Lieb photonic lattices undergo topological charge conversion from l to l+2s, mapping momentum-space topology to real-space vortices.
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Universal momentum-to-real-space mapping of topological singularities
Vortex beams exciting Dirac cones in honeycomb and Lieb photonic lattices undergo topological charge conversion from l to l+2s, mapping momentum-space topology to real-space vortices.