Experimental Demonstration of LDPC Coded Free-Space, Space-Division-Multiplexed Systems using Orbital Angular Momentum Modes

Yongxiong Ren; Hao Huang; Yequn Zhang; Yang Yue; Yan Yan; Nisar Ahmed; Ivan B. Djordjevic; Sam Dolinar; Alan E. Willner

doi:10.1364/ECEOC.2012.Th.2.D.4

European Conference and Exhibition on Optical Communication
OSA Technical Digest (online) (Optica Publishing Group, 2012),
paper Th.2.D.4
•https://doi.org/10.1364/ECEOC.2012.Th.2.D.4

Experimental Demonstration of LDPC Coded Free-Space, Space-Division-Multiplexed Systems using Orbital Angular Momentum Modes

Yongxiong Ren, Hao Huang, Yequn Zhang, Yang Yue, Yan Yan, Nisar Ahmed, Ivan B. Djordjevic, Sam Dolinar, and Alan E. Willner

European Conference and Exhibition on Optical Communication 2012

Amsterdam Netherlands
16–20 September 2012
ISBN: 978-1-55752-950-3

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Few Mode Fiber Subsystems (Th.2.D)

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Y. Ren, H. Huang, Y. Zhang, Y. Yue, Y. Yan, N. Ahmed, I. B. Djordjevic, S. Dolinar, and A. E. Willner, "Experimental Demonstration of LDPC Coded Free-Space, Space-Division-Multiplexed Systems using Orbital Angular Momentum Modes," in European Conference and Exhibition on Optical Communication, OSA Technical Digest (online) (Optica Publishing Group, 2012), paper Th.2.D.4.

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Abstract

The performance of LDPC coded four-mode multiplexed Orbital Angular Momentum (OAM) data link using QPSK signal with net data rate of 320Gbit/s is experimentally investigated. The experiment results show that crosstalk effect can be efficiently mitigated and the LDPC codes with soft decoding can provide >7 dB coding depending on OAM crosstalk.

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