Quantum computation with classical light: The Deutsch Algorithm

@article{PerezGarcia2015QuantumCW,
  title={Quantum computation with classical light: The Deutsch Algorithm},
  author={B. Perez-Garcia and M. Mclaren and S. Goyal and R. Hernandez-Aranda and A. Forbes and T. Konrad},
  journal={Physics Letters A},
  year={2015},
  volume={379},
  pages={1675-1680}
}
  • B. Perez-Garcia, M. Mclaren, +3 authors T. Konrad
  • Published 2015
  • Physics
  • Physics Letters A
  • Abstract We present an implementation of the Deutsch Algorithm using linear optical elements and laser light. We encoded two quantum bits in form of superpositions of electromagnetic fields in two degrees of freedom of the beam: its polarisation and orbital angular momentum. Our approach, based on a Sagnac interferometer, offers outstanding stability and demonstrates that optical quantum computation is possible using classical states of light. 

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