Research


lens in QDS

Figure taken from the Max Planck Society Research magazine, Feb 2015.

Quantum Digital Signatures using homodyne measurements

Team:
Matthew Thornton (PhD project), Natalia Korolkova (theory);
Quantum Information group at Max Planck Institute for the Science of Light, Erlangen, Germany (experiment)
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quantum tomography by noise

Spectrally filtered light from such incoherent sources as an incandescent lamp can be used for the probe.

Quantum tomography by noise and imperfections

Team:
Dmitri Mogilevtsev, Natalia Korolkova (theory);
Group of Ch. Silberhorn, University of Paderborn, Germany (experiment)

Quantum correlations and entanglement

entanglement distribution

Entanglement distribution by separable ancilla ? correlated noise creates coherence!

Gaussian entanglement. Quantum correlations and quantum discord. Multipartite quantum communication protocols

Team:
L. Mišta, N. Korolkova (theory);   R. Tatham, N. Quinn, C. Croal (completed PhD projects);
Ch. Peuntinger, V. Chille, Ch. Marquardt, G. Leuchs (Experiments at the Max Planck Institute for the Science of Light)
 
  1   Entanglement distribution by separable ancilla
  2   Entangling power of a beamsplitter

dissipative distribution and localization

Beyond the equalization: diffusive dissipative distribution and localization.

Dissipation protects and creates quantum coherence

Team:
Dmitri Mogilevtsev
N. Korolkova

Selected past topics

Entanglement Concentration using Gaussian states of Light
D. Menzies, R. Tatham, (completed PhD projects), N. Korolkova
Light-Matter Interactions and Entanglement Concentration using Gaussian states of Light and Atomic Ensembles
G. Sinclair, D. Menzies, R. Tatham, (completed PhD projects), N. Korolkova