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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 10 — May. 15, 2014
  • pp: 2845–2848

Adaptive optics compensation of multiple orbital angular momentum beams propagating through emulated atmospheric turbulence

Yongxiong Ren, Guodong Xie, Hao Huang, Changjing Bao, Yan Yan, Nisar Ahmed, Martin P. J. Lavery, Baris I. Erkmen, Samuel Dolinar, Moshe Tur, Mark A. Neifeld, Miles J. Padgett, Robert W. Boyd, Jeffrey H. Shapiro, and Alan E. Willner  »View Author Affiliations


Optics Letters, Vol. 39, Issue 10, pp. 2845-2848 (2014)
http://dx.doi.org/10.1364/OL.39.002845


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Abstract

We propose an adaptive optics compensation scheme to simultaneously compensate multiple orbital angular momentum (OAM) beams propagating through atmospheric turbulence. A Gaussian beam on one polarization is used to probe the turbulence-induced wavefront distortions and derive the correction pattern for compensating the OAM beams on the orthogonal polarization. By using this scheme, we experimentally demonstrate simultaneous compensation of multiple OAM beams, each carrying a 100Gbit/s data channel through emulated atmospheric turbulence. The experimental results indicate that the correction pattern obtained from the Gaussian probe beam could be used to simultaneously compensate multiple turbulence-distorted OAM beams with different orders. It is found that the turbulence-induced crosstalk effects on neighboring modes are efficiently reduced by 12.5 dB, and the system power penalty is improved by 11 dB after compensation.

© 2014 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(060.4230) Fiber optics and optical communications : Multiplexing
(060.2605) Fiber optics and optical communications : Free-space optical communication

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: February 6, 2014
Revised Manuscript: April 7, 2014
Manuscript Accepted: April 7, 2014
Published: May 5, 2014

Citation
Yongxiong Ren, Guodong Xie, Hao Huang, Changjing Bao, Yan Yan, Nisar Ahmed, Martin P. J. Lavery, Baris I. Erkmen, Samuel Dolinar, Moshe Tur, Mark A. Neifeld, Miles J. Padgett, Robert W. Boyd, Jeffrey H. Shapiro, and Alan E. Willner, "Adaptive optics compensation of multiple orbital angular momentum beams propagating through emulated atmospheric turbulence," Opt. Lett. 39, 2845-2848 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-10-2845

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