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Topological pumping in photonic systems
Solange V. Silva, David E. Fernandes, Tiago A. Morgado +1
The topology of typical Chern insulators is rooted in the periodicity of the system along two directions of real-space. In this article, we depart from this standard concept and de…
Multiple Embedded Eigenstates in Nonlocal Plasmonic Nanostructures
Solange V. Silva, Tiago A. Morgado, Mario G. Silveirinha
Trapping light in open cavities is a long sought "holy grail" of nanophotonics. Plasmonic materials may offer a unique opportunity in this context, as they may fully suppress the r…
Spontaneous Rotational Symmetry Breaking in a Kramers Two-Level System
Mario G. Silveirinha
Here, I develop a model for a two-level system that respects the time-reversal symmetry of the atom Hamiltonian and the Kramers theorem. The two-level system is formed by two Krame…
Photonic analogues of the Haldane and Kane-Mele models
Sylvain Lannebère, Mário G. Silveirinha
The condensed matter Haldane and Kane-Mele models revolutionized the understanding of what is an "insulator", as they unveiled novel classes of media that behave as metals near the…
Lateral Optical Forces on Linearly-Polarized Emitters near a Reciprocal Substrate
Hafssaa Latioui, Mario G. Silveirinha
We theoretically investigate the emergence of lateral (recoil) forces acting on generic dipole-type emitters in the vicinity of a reciprocal translation-invariant substrate. Surpri…
Topological theory of non-Hermitian photonic systems
Mário G. Silveirinha
Here, we develop a gauge-independent Green function approach to characterize the Chern invariants of generic non-Hermitian systems. It is shown that analogous to the Hermitian case…