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29 papers · 2 filters
Ratchet Effect in the Quantum Kicked Rotor and its Destruction by Dynamical Localization
Clément Hainaut, Adam Rançon, Jean-François Clément +4
We study experimentally a quantum kicked rotor with broken parity symmetry, supporting a ratchet effect due to the presence of a classical accelerator mode. We show that the short-…
Light Scattering From an Atomic Array Trapped Near a One-Dimensional Nanoscale Waveguide: a Microscopic Approach
V. A. Pivovarov, A. S. Sheremet, L. V. Gerasimov +4
The coupling of atomic arrays and one-dimensional subwavelength waveguides gives rise to in- teresting photon transport properties, such as recent experimental demonstrations of la…
Quantum state engineering using one-dimensional discrete-time quantum walks
Luca Innocenti, Helena Majury, Taira Giordani +4
Quantum state preparation in high-dimensional systems is an essential requirement for many quantum-technology applications. The engineering of an arbitrary quantum state is, howeve…
Controlling symmetry and localization with an artificial gauge field in a disordered quantum system
Clément Hainaut, Isam Manai, Jean-François Clément +6
Anderson localization, the absence of diffusion in disordered media, draws its origins from the destructive interference between multiple scattering paths. The localization propert…
Versatile engineering of multimode squeezed states by optimizing the pump spectral profile in spontaneous parametric down-conversion
Francesco Arzani, Claude Fabre, Nicolas Treps
We study the quantum correlations induced by spontaneous parametric down-conversion (SPDC) of a frequency comb. We derive a theoretical method to find the output state correspondin…
Polarisation control of linear dipole radiation using spin-momentum locking of light
Maxime Joos, Chengjie Ding, Vivien Loo +5
We experimentally demonstrate that a linear dipole is not restricted to emit linearly polarised light, provided it is embedded in the appropriate nanophotonic environment. We obser…