Influence of atmospheric turbulence on states of light carrying orbital angular momentum

Brandon Rodenburg; Martin P. J. Lavery; Mehul Malik; Malcolm N. O'Sullivan; Mohammad Mirhosseini; David J. Robertson; Miles Padgett; Robert W. Boyd

doi:10.1364/OL.37.003735

Influence of atmospheric turbulence on states of light carrying orbital angular momentum

Brandon Rodenburg^*
, Martin P. J. Lavery
, Mehul Malik
, Malcolm N. O'Sullivan
, Mohammad Mirhosseini
, David J. Robertson
, Miles Padgett
, Robert W. Boyd

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

248 Citations (Scopus)

Abstract

We have experimentally studied the degradation of mode purity for light beams carrying orbital angular momentum (OAM) propagating through simulated atmospheric turbulence. The turbulence is modeled as a randomly varying phase aberration, which obeys statistics postulated by Kolmogorov turbulence theory. We introduce this simulated turbulence through the use of a phase-only spatial light modulator. Once the turbulence is introduced, the degradation in mode quality results in crosstalk between OAM modes. We study this crosstalk in OAM for 11 modes, showing that turbulence uniformly degrades the purity of all the modes within this range, irrespective of mode number.

Original language	English
Pages (from-to)	3735-3737
Number of pages	3
Journal	Optics Letters
Volume	37
Issue number	17
DOIs	https://doi.org/10.1364/OL.37.003735
Publication status	Published - 1 Sept 2012

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Influence of atmospheric turbulence on states of light carrying orbital angular momentum",

abstract = "We have experimentally studied the degradation of mode purity for light beams carrying orbital angular momentum (OAM) propagating through simulated atmospheric turbulence. The turbulence is modeled as a randomly varying phase aberration, which obeys statistics postulated by Kolmogorov turbulence theory. We introduce this simulated turbulence through the use of a phase-only spatial light modulator. Once the turbulence is introduced, the degradation in mode quality results in crosstalk between OAM modes. We study this crosstalk in OAM for 11 modes, showing that turbulence uniformly degrades the purity of all the modes within this range, irrespective of mode number.",

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AU - Rodenburg, Brandon

AU - Lavery, Martin P. J.

AU - Malik, Mehul

AU - O'Sullivan, Malcolm N.

AU - Mirhosseini, Mohammad

AU - Robertson, David J.

AU - Padgett, Miles

AU - Boyd, Robert W.

PY - 2012/9/1

Y1 - 2012/9/1

N2 - We have experimentally studied the degradation of mode purity for light beams carrying orbital angular momentum (OAM) propagating through simulated atmospheric turbulence. The turbulence is modeled as a randomly varying phase aberration, which obeys statistics postulated by Kolmogorov turbulence theory. We introduce this simulated turbulence through the use of a phase-only spatial light modulator. Once the turbulence is introduced, the degradation in mode quality results in crosstalk between OAM modes. We study this crosstalk in OAM for 11 modes, showing that turbulence uniformly degrades the purity of all the modes within this range, irrespective of mode number.

AB - We have experimentally studied the degradation of mode purity for light beams carrying orbital angular momentum (OAM) propagating through simulated atmospheric turbulence. The turbulence is modeled as a randomly varying phase aberration, which obeys statistics postulated by Kolmogorov turbulence theory. We introduce this simulated turbulence through the use of a phase-only spatial light modulator. Once the turbulence is introduced, the degradation in mode quality results in crosstalk between OAM modes. We study this crosstalk in OAM for 11 modes, showing that turbulence uniformly degrades the purity of all the modes within this range, irrespective of mode number.

UR - https://www.scopus.com/pages/publications/84865789803

U2 - 10.1364/OL.37.003735

DO - 10.1364/OL.37.003735

M3 - Article

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JO - Optics Letters

JF - Optics Letters

IS - 17

ER -

Influence of atmospheric turbulence on states of light carrying orbital angular momentum

Abstract

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