10 February 2012 Proposal to produce two and four qubits with spatial modes of two photons
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Proceedings Volume 8274, Complex Light and Optical Forces VI; 82740G (2012) https://doi.org/10.1117/12.909439
Event: SPIE OPTO, 2012, San Francisco, California, United States
Abstract
This article presents a proposal for preparing photon pairs in states that are entangled in their spatial modes. The method allows the encoding of any pair of spatial modes that is desired, without restrictions; a procedure that up to now has been elusive. This method consists of three steps: preparing photon pairs in polarization-entangled states, filtering the spatial mode, and use of polarization interferometers with diffractive mode-encoding elements to effect entanglement swapping between polarization and spatial modes. An extension of the method consists of entangling polarization and spatial mode, allowing the preparation of a 4-qubit cluster state of two photons.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Enrique J. Galvez, Enrique J. Galvez, } "Proposal to produce two and four qubits with spatial modes of two photons", Proc. SPIE 8274, Complex Light and Optical Forces VI, 82740G (10 February 2012); doi: 10.1117/12.909439; https://doi.org/10.1117/12.909439
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