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10 papers · 2 filters
Quantum transport of high-dimensional spatial information with a nonlinear detector
Bereneice Sephton, Adam Vallés, Isaac Nape +6
Information exchange between two distant parties, where information is shared without physically transporting it, is a crucial resource in future quantum networks. Doing so with hi…
On the diagonalization of quadratic Hamiltonians
Ville J. Härkönen, Ivan A. Gonoskov
A new procedure to diagonalize quadratic Hamiltonians is introduced. We show that one can find a unitary transformation such that the transformed quadratic Hamiltonian is diagonal…
Metasurface-Assisted Quantum Ghost Discrimination of Polarization Objects
Andres Vega, Thomas Pertsch, Frank Setzpfandt +1
We develop a concept of metasurface-assisted ghost imaging for non-local discrimination between a set of polarization objects. The specially designed metasurfaces are incorporated…
Light-matter quantum dynamics of complex laser-driven systems
Ivan Gonoskov, Stefanie Gräfe
We propose a novel general approximation to transform and simplify the description of a complex fully-quantized system describing the interacting light and matter. The method has s…
Quantum holography with undetected light
Sebastian Töpfer, Marta Gilaberte Basset, Jorge Fuenzalida +3
Holography exploits the interference of light fields to obtain a systematic reconstruction of the light fields wavefronts. Classical holography techniques have been very successful…
A quantum-enhanced wide-field phase imager
Robin Camphausen, Álvaro Cuevas, Luc Duempelmann +7
Quantum techniques can be used to enhance the signal-to-noise ratio in optical imaging. Leveraging the latest advances in single photon avalanche diode array cameras and multi-phot…