Quantum computation with classical light: The Deutsch Algorithm uri icon


  • © 2015 Elsevier B.V.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.

Publication date

  • August 28, 2015