Modeling channel interference in an orbital angular momentum-multiplexed laser link

Jaime A. Anguita; Mark A. Neifeld; Bane V. Vasic

doi:10.1117/12.826097

21 August 2009 Modeling channel interference in an orbital angular momentum-multiplexed laser link

Jaime A. Anguita; Mark A. Neifeld; Bane V. Vasic;

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Proceedings Volume 7464, Free-Space Laser Communications IX; 74640U (2009) https://doi.org/10.1117/12.826097
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

We study the effects of optical turbulence on the energy crosstalk among constituent orbital angular momentum (OAM) states in a vortex-based multi-channel laser communication link and determine channel interference in terms of turbulence strength and OAM state separation. We characterize the channel interference as a function of C²_n and transmit OAM state, and propose probability models to predict the random fluctuations in the received signals for such architecture. Simulations indicate that turbulence-induced channel interference is mutually correlated across receive channels.

Citation Download Citation

Jaime A. Anguita, Mark A. Neifeld, Bane V. Vasic, "Modeling channel interference in an orbital angular momentum-multiplexed laser link", Proc. SPIE 7464, Free-Space Laser Communications IX, 74640U (21 August 2009); doi: 10.1117/12.826097; https://doi.org/10.1117/12.826097

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