Encoding mutually unbiased bases in orbital angular momentum for quantum key distribution

A. Dudley, M. Mafu, S. Goyal, D. Giovannini, M. McLaren, T. Konrad, M. J. Padgett, F. Petruccione, N. Lütkenhaus, A. Forbes

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)


We encode mutually unbiased bases (MUBs) using the higher-dimensional orbital angular momentum (OAM) degree of freedom and illustrate how these states are encoded on a phase-only spatial light modulator (SLM). We perform (d - 1)- mutual unbiased measurements in both a classical prepare and measure scheme and on entangled photon pairs for dimensions ranging from d = 2 to 5. The calculated average error rate, mutual information and secret key rate show an increase in information capacity as well as higher generation rates as the dimension increases.

Original languageEnglish
Title of host publicationComplex Light and Optical Forces VIII
ISBN (Print)9780819499127
Publication statusPublished - 2014
EventComplex Light and Optical Forces VIII - San Francisco, CA, United States
Duration: Feb 4 2014Feb 6 2014

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X


OtherComplex Light and Optical Forces VIII
Country/TerritoryUnited States
CitySan Francisco, CA

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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