Nonlinear coherent structures in granular crystals

C Chong, MA Porter, PG Kevrekidis… - Journal of Physics …, 2017 - iopscience.iop.org
The study of granular crystals, which are nonlinear metamaterials that consist of closely
packed arrays of particles that interact elastically, is a vibrant area of research that combines …

Nonlinear optical waveguide lattices: Asymptotic analysis, solitons, and topological insulators

MJ Ablowitz, JT Cole - Physica D: Nonlinear Phenomena, 2022 - Elsevier
In recent years, there has been considerable interest in the study of wave propagation in
nonlinear photonic lattices. The interplay between nonlinearity and periodicity has led …

Linear and nonlinear traveling edge waves in optical honeycomb lattices

MJ Ablowitz, CW Curtis, YP Ma - Physical Review A, 2014 - APS
Traveling unidirectional localized edge states in optical honeycomb lattices are analytically
constructed. They are found in honeycomb arrays of helical waveguides designed to induce …

Exceptional-point dynamics in photonic honeycomb lattices with symmetry

H Ramezani, T Kottos, V Kovanis… - Physical Review A …, 2012 - APS
We theoretically investigate the flow of electromagnetic waves in complex honeycomb
photonic lattices with local PT symmetries. Such PT structure is introduced via a judicious …

Coupling of edge states and topological Bragg solitons

W Zhang, X Chen, YV Kartashov, VV Konotop, F Ye - Physical Review Letters, 2019 - APS
The existence of the edge states at the interface between two media with different
topological properties is protected by symmetry, which makes such states robust against …

Tight-binding methods for general longitudinally driven photonic lattices: Edge states and solitons

MJ Ablowitz, JT Cole - Physical Review A, 2017 - APS
A systematic approach for deriving tight-binding approximations in general longitudinally
driven lattices is presented. As prototypes, honeycomb and staggered square lattices are …

Unveiling the link between fractional Schrödinger equation and light propagation in honeycomb lattice

D Zhang, Y Zhang, Z Zhang, N Ahmed… - Annalen der …, 2017 - Wiley Online Library
We suggest a real physical system—the honeycomb lattice—as a possible realization of the
fractional Schrödinger equation (FSE) system, through utilization of the Dirac‐Weyl equation …

Vector gap solitons of spin-orbit-coupled Bose-Einstein condensate in honeycomb optical lattices

H Meng, J Wang, X Fan, Q Wang, K Shao, Y Zhao… - Physical Review E, 2023 - APS
The combination of the two hot topics of spin-orbit coupling and honeycomb lattices leads to
the appearance of fascinating issues. In this paper, we investigate the existence and stability …

[HTML][HTML] Nonlinear, tunable, and active optical metasurface with liquid film

S Rubin, Y Fainman - Advanced Photonics, 2019 - spiedigitallibrary.org
Optical metamaterials and metasurfaces, which emerged in the course of the last few
decades, have revolutionized our understanding of light and light–matter interaction. While …

Nonlinear waves in shallow honeycomb lattices

MJ Ablowitz, Y Zhu - SIAM Journal on Applied Mathematics, 2012 - SIAM
The linear spectrum and corresponding Bloch modes of shallow honeycomb lattices near
Dirac points are investigated. Via perturbation theory, the dispersion relation is found to …