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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…
Cladding mode coupling in highly localized fiber Bragg gratings: modal properties and transmission spectra
Jens Thomas, Nemanja Jovanovic, Ria G. Becker +5
The spectral characteristics of a fiber Bragg grating (FBG) with a transversely inhomogeneous refractive index profile, differs con- siderably from that of a transversely uniform o…
Observation of localized modes at phase slips in two-dimensional photonic lattices
Alexander Szameit, Mario I. Molina, Matthias Heinrich +4
We study experimentally light localization at phase-slip waveguides and at the intersection of phase-slips in a two-dimensional (2D) square photonic lattice. Such system allows to…
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…