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National Taiwan University
Photonic topological phases in dispersive metamaterials
Professor Ruey-Lin, National Taiwan University
Apr 1, 15:00
-
16:00
B1 L4 R4214
National Taiwan University
photonics
We analyze the photonic topological phases in dispersive metamaterials which satisfy the degenerate condition at a reference frequency, where the hybrid modes are decoupled and determined by two subsystems with degenerate eigenvalues. By introducing the pseudospin states as the eigenfield basis, the Hamiltonians of the hybrid modes represent the pesudospin-orbit interaction with spin 1, which result in nonzero spin Chern numbers that characterize the topological phases.
