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20 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-…
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…
Third-order nonlinearity OPO: Schmidt Mode Decomposition And Tripartite Entanglement
C. González-Arciniegas, Nicolas Treps, P. Nussenzveig
We investigate quantum properties of light in optical parametric oscillators (OPOs) based on four-wave mixing gain in media with third-order non-linearities. In spite of other comp…
Reconfigurable optical implementation of quantum complex networks
Johannes Nokkala, Francesco Arzani, Fernando Galve +5
Network theory has played a dominant role in understanding the structure of complex systems and their dynamics. Recently, quantum complex networks, i.e. collections of quantum syst…