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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 20 — Oct. 15, 2012
  • pp: 4197–4199

Free-space optical polarization demultiplexing and multiplexing by means of conical refraction

Alex Turpin, Yurii Loiko, Todor K. Kalkandjiev, and Jordi Mompart  »View Author Affiliations

Optics Letters, Vol. 37, Issue 20, pp. 4197-4199 (2012)

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Polarization demultiplexing and multiplexing by means of conical refraction is proposed to increase the channel capacity for free-space optical communication applications. The proposed technique is based on the forward-backward optical transform occurring when a light beam propagates consecutively along the optic axes of two identical biaxial crystals with opposite orientations of their conical refraction characteristic vectors. We present an experimental proof of usefulness of the conical refraction demultiplexing and multiplexing technique by increasing in one order of magnitude the channel capacity at optical frequencies in a propagation distance of 4 m.

© 2012 Optical Society of America

OCIS Codes
(060.4230) Fiber optics and optical communications : Multiplexing
(160.1190) Materials : Anisotropic optical materials
(060.2605) Fiber optics and optical communications : Free-space optical communication

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: June 20, 2012
Revised Manuscript: August 24, 2012
Manuscript Accepted: August 27, 2012
Published: October 3, 2012

Alex Turpin, Yurii Loiko, Todor K. Kalkandjiev, and Jordi Mompart, "Free-space optical polarization demultiplexing and multiplexing by means of conical refraction," Opt. Lett. 37, 4197-4199 (2012)

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