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Pump-and-probe optical transmission phase shift as a quantitative probe of the Bogoliubov dispersion relation in a nonlinear channel waveguide
P. -É. Larré, S. Biasi, F. Ramiro-Manzano +2
We theoretically investigate the dispersion relation of small-amplitude optical waves superimposing upon a beam of polarized monochromatic light propagating along a single-mode cha…
Orbital edge states in a photonic honeycomb lattice
Marijana Milićević, Tomoki Ozawa, Gilles Montambaux +7
We experimentally reveal the emergence of edge states in a photonic lattice with orbital bands. We use a two-dimensional honeycomb lattice of coupled micropillars whose bulk spectr…
Spin-orbit coupling in a hexagonal ring of pendula
Grazia Salerno, Alice Berardo, Tomoki Ozawa +4
We consider the mechanical motion of a system of six macroscopic pendula which are connected with springs and arranged in a hexagonal geometry. When the springs are pre-tensioned,…
Experimental Measurement of the Berry Curvature from Anomalous Transport
Martin Wimmer, Hannah M. Price, Iacopo Carusotto +1
Geometrical properties of energy bands underlie fascinating phenomena in a wide-range of systems, including solid-state materials, ultracold gases and photonics. Most famously, loc…
Two-body physics in the Su-Schrieffer-Heeger model
M. Di Liberto, A. Recati, I. Carusotto +1
We consider two interacting bosons in a dimerized Su-Schrieffer-Heeger (SSH) lattice. We identify a rich variety of two-body states. In particular, for open boundary conditions and…
Phase-controlled bistability of a dark soliton train in a polariton fluid
Valentin Goblot, Hai Son Nguyen, Iacopo Carusotto +5
We use a one-dimensional polariton fluid in a semiconductor microcavity to explore the rich nonlinear dynamics of counter-propagating interacting Bose fluids. The intrinsically dri…