
1.Vienna Center for Quantum Science & Technology (VCQ), Faculty of Physics, University of Vienna, Boltzmanngasse 5, Vienna 1090, Austria
2.Institute for Quantum Optics and Quantum Information (IQOQI), Austrian Academy of Sciences, Boltzmanngasse 3, Vienna 1090, Austria
3.Department of Physics, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
M Erhard, Email: manuel.erhard@univie.ac.at
Published:2018,
Published Online:09 March 2018,
Received:27 July 2017,
Revised:21 September 2017,
Accepted:16 October 2017
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Erhard, M. et al. Twisted photons: new quantum perspectives in high dimensions. Light: Science & Applications, 7, 17146 (2018).
Erhard, M. et al. Twisted photons: new quantum perspectives in high dimensions. Light: Science & Applications, 7, 17146 (2018). DOI: 10.1038/lsa.2017.146.
Twisted photons can be used as alphabets to encode information beyond one bit per single photon. This ability offers great potential for quantum information tasks
as well as for the investigation of fundamental questions. In this review article
we give a brief overview of the theoretical differences between qubits and higher dimensional systems
qudits
in different quantum information scenarios. We then describe recent experimental developments in this field over the past three years. Finally
we summarize some important experimental and theoretical questions that might be beneficial to understand better in the near future.
entanglementhigh-dimensional quantum systemsorbital-angular-momentum of photonsquantum communication
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