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Publications Influence

Measuring the nonseparability of vector vortex beams

- M. Mclaren, T. Konrad, A. Forbes
- Physics
- 18 August 2015

Vector beams have the defining property of nonseparable spatial and polarization degrees of freedom and are now routinely generated in the laboratory and used in a myriad of applications. Here we… Expand

93 3- PDF

Orbital-angular-momentum entanglement in turbulence

- A. Ibrahim, F. Roux, M. Mclaren, T. Konrad, A. Forbes
- Physics
- 27 June 2013

The turbulence-induced decay of orbital-angular-momentum (OAM) entanglement between two photons is investigated numerically and experimentally. To compare our results with previous work, we simulate… Expand

85 2- PDF

LETTER TO THE EDITOR: Coupled Ito equations of continuous quantum state measurement and estimation

- L. Diósi, T. Konrad, A. Scherer, J. Audretsch
- Physics, Mathematics
- 11 August 2006

We discuss a nonlinear stochastic master equation that governs the time evolution of the estimated quantum state. Its differential evolution corresponds to the infinitesimal updates that depend on… Expand

17 2- PDF

Higher-dimensional orbital-angular-momentum-based quantum key distribution with mutually unbiased bases

We present an experimental study of higher-dimensional quantum key distribution protocols based on mutually unbiased bases, implemented by means of photons carrying orbital angular momentum. We… Expand

198 1- PDF

Qudit-Teleportation for photons with linear optics

- S. Goyal, Patricia E. Boukama-Dzoussi, S. Ghosh, F. Roux, T. Konrad
- Physics, Medicine
- Scientific reports
- 20 December 2012

Quantum Teleportation, the transfer of the state of one quantum system to another without direct interaction between both systems, is an important way to transmit information encoded in quantum… Expand

28 1- PDF

The decay of the orbital angular momentum entanglement in turbulence

- A. Ibrahim, Fillippus S. Roux, M. Mclaren, T. Konrad, A. Forbes
- Physics
- 6 October 2013

The decay of the orbital angular momentum (OAM) entanglement is investigated experi- mentally. Our results show that OAM entanglement is more robust in turbulence for higher OAM values, confiming… Expand

6 1

Implementing quantum walks using orbital angular momentum of classical light.

We present an implementation scheme for a quantum walk in the orbital angular momentum space of a laser beam. The scheme makes use of a ring interferometer, containing a quarter-wave plate and a q… Expand

63- PDF

Simultaneous entanglement swapping of multiple orbital angular momentum states of light

High-bit-rate long-distance quantum communication is a proposed technology for future communication networks and relies on high-dimensional quantum entanglement as a core resource. While it is known… Expand

36- PDF

A deterministic detector for vector vortex states

- B. Ndagano, I. Nape, +5 authors A. Forbes
- Physics, Medicine
- Scientific Reports
- 24 October 2017

Encoding information in high-dimensional degrees of freedom of photons has led to new avenues in various quantum protocols such as communication and information processing. Yet to fully benefit from… Expand

29- PDF

Counting statistics of many-particle quantum walks

- K. Mayer, M. Tichy, F. Mintert, T. Konrad, A. Buchleitner
- Physics
- 27 September 2010

We study quantum walks of many noninteracting particles on a beam splitter array as a paradigmatic testing ground for the competition of single- and many-particle interference in a multimode system.… Expand

48- PDF