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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 34, Iss. 2 — Jan. 15, 2009
  • pp: 142–144

Influence of atmospheric turbulence on the propagation of quantum states of light carrying orbital angular momentum

Glenn A. Tyler and Robert W. Boyd  »View Author Affiliations


Optics Letters, Vol. 34, Issue 2, pp. 142-144 (2009)
http://dx.doi.org/10.1364/OL.34.000142


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Abstract

We analyze the influence of atmospheric turbulence on the propagation of an optical vortex beam having the form V ( r , θ ) = A 0 e i m θ . The probability that a detected photon after propagating through the atmosphere has the same value of the orbital angular momentum as the launched photon is found to be given by s 0 = [ 1 + ( 1.845 D r 0 ) 2 ] 1 2 , where D is the aperture diameter and r 0 is the Fried coherence diameter. These vortex beams behave very similarly to Laguerre–Gauss beams under the influence of atmospheric turbulence. These results have important implications for atmospheric laser communication systems that employ quantum encryption.

© 2009 Optical Society of America

OCIS Codes
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(270.5565) Quantum optics : Quantum communications
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

History
Original Manuscript: August 8, 2008
Manuscript Accepted: September 16, 2008
Published: January 12, 2009

Citation
Glenn A. Tyler and Robert W. Boyd, "Influence of atmospheric turbulence on the propagation of quantum states of light carrying orbital angular momentum," Opt. Lett. 34, 142-144 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-2-142


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