Atmospheric turbulence effects on the performance of a free space optical link employing orbital angular momentum multiplexing

Ren, Y. et al. (2013) Atmospheric turbulence effects on the performance of a free space optical link employing orbital angular momentum multiplexing. Optics Letters, 38(20), pp. 4062-4065. (doi: 10.1364/OL.38.004062)

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Publisher's URL: http://dx.doi.org/10.1364/OL.38.004062

Abstract

We experimentally investigate the performance of an orbital angular momentum (OAM) multiplexed free space optical (FSO) communication link through emulated atmospheric turbulence. The turbulence effects on the crosstalk and system power penalty of the FSO link are characterized. The experimental results show that the power of the transmitted OAM mode will tend to spread uniformly onto the neighboring mode in medium-to-strong turbulence, resulting in severe crosstalk at the receiver. The power penalty is found to exceed 10 dB in a weak-to-medium turbulence condition due to the turbulence-induced crosstalk and power fluctuation of the received signal.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Lavery, Professor Martin and Padgett, Professor Miles
Authors: Ren, Y., Huang, H., Xie, G., Ahmed, N., Yan, Y., Erkmen, B. I., Chandrasekaran, N., Lavery, M. P. J., Steinhoff, N. K., Tur, M., Dolinar, S., Neifeld, M., Padgett, M. J., Boyd, R. W., Shapiro, J. H., and Willner, A. E.
College/School:College of Science and Engineering > School of Engineering > Biomedical Engineering
College of Science and Engineering > School of Physics and Astronomy
Journal Name:Optics Letters
Publisher:Optical Society of America
ISSN:0146-9592
ISSN (Online):1539-4794

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