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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Franco Gori
  • Vol. 27, Iss. 11 — Nov. 1, 2010
  • pp: 2524–2531

Programmable unitary spatial mode manipulation

Jean-François Morizur, Lachlan Nicholls, Pu Jian, Seiji Armstrong, Nicolas Treps, Boris Hage, Magnus Hsu, Warwick Bowen, Jiri Janousek, and Hans-A. Bachor  »View Author Affiliations

JOSA A, Vol. 27, Issue 11, pp. 2524-2531 (2010)

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Free space propagation and conventional optical systems such as lenses and mirrors all perform spatial unitary transforms. However, the subset of transforms available through these conventional systems is limited in scope. We present here a unitary programmable mode converter (UPMC) capable of performing any spatial unitary transform of the light field. It is based on a succession of reflections on programmable deformable mirrors and free space propagation. We first show theoretically that a UPMC without limitations on resources can perform perfectly any transform. We then build an experimental implementation of the UPMC and show that, even when limited to three reflections on an array of 12 pixels, the UPMC is capable of performing single mode tranforms with an efficiency greater than 80% for the first four modes of the transverse electromagnetic basis.

© 2010 Optical Society of America

OCIS Codes
(110.5100) Imaging systems : Phased-array imaging systems
(230.6120) Optical devices : Spatial light modulators
(110.1080) Imaging systems : Active or adaptive optics

ToC Category:
Imaging Systems

Original Manuscript: June 14, 2010
Revised Manuscript: September 24, 2010
Manuscript Accepted: September 24, 2010
Published: October 29, 2010

Jean-François Morizur, Lachlan Nicholls, Pu Jian, Seiji Armstrong, Nicolas Treps, Boris Hage, Magnus Hsu, Warwick Bowen, Jiri Janousek, and Hans-A. Bachor, "Programmable unitary spatial mode manipulation," J. Opt. Soc. Am. A 27, 2524-2531 (2010)

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