2 papers
physics.optics2026
Scalar-Wave Dispersion in Vectorial Photonic Crystals via Site-Adapted p Orbitals
Yan-Long Chen, Kin Hung Fung, C. T. Chan +1
Electromagnetic waves are intrinsically vectorial and require description via polarization, unlike scalar fields such as acoustic pressure or electronic wavefunctions. In three dim…
physics.optics2026
Exact flat bands in a 3D photonic crystal
Kin Hung Fung, Yan-Long Chen, C. T. Chan +1
Photonic flat bands are hard to engineer because Maxwell's equations are vectorial: transversality obstructs the localized scalar-like bases that generate destructive-interference…