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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 22 — Nov. 15, 2013
  • pp: 4762–4765

Preparing arbitrary pure states of spatial qudits with a single phase-only spatial light modulator

M. A. Solís-Prosser, A. Arias, J. J. M. Varga, L. Rebón, S. Ledesma, C. Iemmi, and L. Neves  »View Author Affiliations

Optics Letters, Vol. 38, Issue 22, pp. 4762-4765 (2013)

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Spatial qudits are D-dimensional (D2) quantum systems carrying information encoded in the discretized transverse momentum and position of single photons. We present a proof-of-principle demonstration of a method for preparing arbitrary pure states of such systems by using a single phase-only spatial light modulator (SLM). The method relies on the encoding of the complex transmission function corresponding to a given spatial qudit state onto a preset diffraction order of a phase-only grating function addressed at the SLM. Fidelities of preparation above 94% were obtained with this method, which is simpler, less costly, and more efficient than those that require two SLMs for the same purpose.

© 2013 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(230.6120) Optical devices : Spatial light modulators
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Optical Devices

Original Manuscript: August 16, 2013
Manuscript Accepted: September 30, 2013
Published: November 12, 2013

M. A. Solís-Prosser, A. Arias, J. J. M. Varga, L. Rebón, S. Ledesma, C. Iemmi, and L. Neves, "Preparing arbitrary pure states of spatial qudits with a single phase-only spatial light modulator," Opt. Lett. 38, 4762-4765 (2013)

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