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Photonic Floquet Topological Insulators
Mikael C. Rechtsman, Julia M. Zeuner, Yonatan Plotnik +4
The topological insulator is a fundamentally new phase of matter, with the striking property that the conduction of electrons occurs only on its surface, not within the bulk, and t…
Amorphous Photonic Lattices: Band Gaps, Effective Mass and Suppressed Transport
Mikael Rechtsman, Alexander Szameit, Felix Dreisow +4
We present, theoretically and experimentally, amorphous photonic lattices exhibiting a band-gap yet completely lacking Bragg diffraction: 2D waveguides distributed randomly accordi…
Geometric potential and transport in photonic topological crystals
Alexander Szameit, Felix Dreisow, Matthias Heinrich +4
We report on the experimental realization of an optical analogue of a quantum geometric potential for light wave packets constrained on thin dielectric guiding layers fabricated in…
Wave localization at the boundary of disordered photonic lattices
A. Szameit, Y. V. Kartashov, P. Zeil +7
We report on the experimental observation of reduced light energy transport and disorder-induced localization close to a boundary of a truncated one-dimensional (1D) disordered pho…
Two-dimensional solitons at interfaces between binary superlattices and homogeneous lattices
M. Heinrich, Y. V. Kartashov, L. P. R. Ramirez +7
We report on the experimental observation of two-dimensional surface solitons residing at the interface between a homogeneous square lattice and a superlattice that consists of alt…
Observation of two-dimensional superlattice solitons
M. Heinrich, Y. V. Kartashov, L. P. R. Ramirez +7
We observe experimentally two-dimensional solitons in superlattices comprising alternating deep and shallow waveguides fabricated via the femtosecond laser direct writing technique…