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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 12 — Apr. 20, 2013
  • pp: 2659–2669

Diffractive optical elements for mode-division multiplexing of temporal signals with the aid of Laguerre–Gaussian modes

Shoam Shwartz, Michael Golub, and Shlomo Ruschin  »View Author Affiliations


Applied Optics, Vol. 52, Issue 12, pp. 2659-2669 (2013)
http://dx.doi.org/10.1364/AO.52.002659


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Abstract

Optical aspects of space-division multiplexing with orthogonal modes of coherent light were considered in theory and experiments with the coherent optical correlator. We resorted to the mathematical tool of generating functions and technologies of diffractive optical elements to implement complex spatial filters matched to rotationally symmetrical transverse modes. Successful multiplexing and demultiplexing in free-space transmission of low-frequency temporally modulated signals through different spatial modes was demonstrated. Experimental results show low cross talk between different mode channels and feasibility of further applications in multimode fiber optical communication data links.

© 2013 Optical Society of America

OCIS Codes
(050.1380) Diffraction and gratings : Binary optics
(050.1970) Diffraction and gratings : Diffractive optics
(060.4230) Fiber optics and optical communications : Multiplexing
(140.3300) Lasers and laser optics : Laser beam shaping
(060.2605) Fiber optics and optical communications : Free-space optical communication

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: December 17, 2012
Revised Manuscript: March 11, 2013
Manuscript Accepted: March 15, 2013
Published: April 15, 2013

Citation
Shoam Shwartz, Michael Golub, and Shlomo Ruschin, "Diffractive optical elements for mode-division multiplexing of temporal signals with the aid of Laguerre–Gaussian modes," Appl. Opt. 52, 2659-2669 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-12-2659

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