560 citations · 1.3k across the 15 of their papers we have counts for
9 papers · 1 filter
Wavefront dislocations reveal the topology of quasi-1D photonic insulators
C. Dutreix, M. Bellec, P. Delplace +1
Phase singularities appear ubiquitously in wavefields, regardless of the wave equation. Such topological defects can lead to wavefront dislocations, as observed in a humongous numb…
Observation of supersymmetric pseudo-Landau levels in strained microwave graphene
Matthieu Bellec, Charles Poli, Ulrich Kuhl +2
Using an array of coupled microwave resonators arranged in a deformed honeycomb lattice, we experimentally observe the formation of pseudo-Landau levels in the whole crossover from…
Non-diffracting states in one-dimensional Floquet photonic topological insulators
Matthieu Bellec, Claire Michel, Haisu Zhang +2
One dimensional laser-written modulated photonic lattices are known to be particularly suitable for diffraction management purposes. Here, we address the connection between discret…
Energy landscape in two-dimensional Penrose-tiled quasicrystal
Patrizia Vignolo, Matthieu Bellec, Julian Boehm +4
Since their spectacular experimental realisation in the early 80's, quasicrystals have been the subject of very active research, whose domains extend far beyond the scope of solid…
Microwave Experiments Simulating Quantum Search and Directed Transport in Artificial Graphene
Julian Böhm, Matthieu Bellec, Fabrice Mortessagne +7
A series of quantum search algorithms have been proposed recently providing an algebraic speedup compared to classical search algorithms from to , where is the nu…
Manipulation of edge states in microwave artificial graphene
Matthieu Bellec, Ulrich Kuhl, Gilles Montambaux +1
Edge states are one important ingredient to understand transport properties of graphene nanoribbons. We study experimentally the existence and the internal structure of edge states…
Tight-binding couplings in microwave artificial graphene
Matthieu Bellec, Ulrich Kuhl, Gilles Montambaux +1
We experimentally study the propagation of microwaves in an artificial honeycomb lattice made of dielectric resonators. This evanescent propagation is well described by a tight-bin…
Topological transition of Dirac points in a microwave experiment
Matthieu Bellec, Ulrich Kuhl, Gilles Montambaux +1
By means of a microwave tight-binding analogue experiment of a graphene-like lattice, we observe a topological transition between a phase with a point-like band gap characteristic…
Disordered graphene and boron nitride in a microwave tight-binding analog
S. Barkhofen, M. Bellec, U. Kuhl +1
Experiments on hexagonal graphene-like structures using microwave measuring techniques are presented. The lowest transverse-electric resonance of coupled dielectric disks sandwiche…