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Photonic Topological Anderson Insulators
Simon Stützer, Yonatan Plotnik, Yaakov Lumer +5
The hallmark property of two-dimensional topological materials is the incredible robustness of the quantized Hall conductivity to disorder. That robustness arises from the fact tha…
Exciton-polariton topological insulator
S. Klembt, T. H. Harder, O. A. Egorov +9
Topological insulators (TIs) are a striking example of materials in which topological invariants are manifested in robustness against perturbations. Their most prominent feature is…
Topological Photonic Quasicrystals: Fractal Topological Spectrum and Protected Transport
Miguel A. Bandres, Mikael C. Rechtsman, Mordechai Segev
We show that it is possible to have a topological phase in two-dimensional quasicrystals without any magnetic field applied, but instead introducing an artificial gauge field via d…
Topological creation and destruction of edge states in photonic graphene
Mikael C. Rechtsman, Yonatan Plotnik, Julia M. Zeuner +2
We demonstrate theoretically and experimentally a topological transition of classical light in "photonic graphene": an array of waveguides arranged in the honeycomb geometry. As th…
Observation of novel edge states in photonic graphene
Mikael C. Rechtsman, Yonatan Plotnik, Daohong Song +8
The intriguing properties of graphene, a two-dimensional material composed of a honeycomb lattice of carbon atoms, have attracted a great deal of interest in recent years. Specific…
Strain-induced pseudomagnetic field and Landau levels in photonic structures
Mikael C. Rechtsman, Julia M. Zeuner, Andreas Tünnermann +3
Magnetic effects at optical frequencies are notoriously weak. This is evidenced by the fact that the magnetic permeability of nearly all materials is unity in the optical frequency…