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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 2 — Jan. 15, 2012
  • pp: 127–129

Time-division multiplexing of the orbital angular momentum of light

Ebrahim Karimi, Lorenzo Marrucci, Corrado de Lisio, and Enrico Santamato  »View Author Affiliations


Optics Letters, Vol. 37, Issue 2, pp. 127-129 (2012)
http://dx.doi.org/10.1364/OL.37.000127


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Abstract

We present an optical setup for generating a sequence of light pulses in which the orbital angular momentum (OAM) degree of freedom is correlated with the temporal one. The setup is based on a single q plate within a ring optical resonator. By this approach, we demonstrate the generation of a train of pulses carrying increasing values of OAM, or, alternatively, of a controlled temporal sequence of pulses having prescribed OAM superposition states. Finally, we exhibit an “OAM-to-time conversion” apparatus that divides different input OAM states into different time bins. The latter application provides a simple approach to digital spiral spectroscopy of pulsed light.

© 2012 Optical Society of America

OCIS Codes
(230.6120) Optical devices : Spatial light modulators
(050.4865) Diffraction and gratings : Optical vortices
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Diffraction and Gratings

History
Original Manuscript: September 7, 2011
Revised Manuscript: November 3, 2011
Manuscript Accepted: November 25, 2011
Published: January 9, 2012

Citation
Ebrahim Karimi, Lorenzo Marrucci, Corrado de Lisio, and Enrico Santamato, "Time-division multiplexing of the orbital angular momentum of light," Opt. Lett. 37, 127-129 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-2-127

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