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Coded orbital angular momentum based free-space optical transmission in the presence of atmospheric turbulence

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Abstract

An LDPC-coded OAM-based FSO transmission system is experimentally studied in the presence of emulator-induced-scintillation. Coding gains >6.8dB are obtained at BER=10-4 for single OAM mode and dramatic improvement is found in case of OAM multiplexing.

© 2015 Optical Society of America

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