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Proceedings Paper

Performance analysis of orbital angular momentum multiplexing systems with different wavelengths under oceanic channels
Author(s): Xiaoli Yin; Zhaoyuan Zhang; Xiaozhou Cui; Huan Chang; Lihang Wang
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Paper Abstract

Effects of oceanic channels degrade the performance of underwater optical communication (UOC) systems based on orbital angular momentum (OAM) multiplexing. Considering both oceanic turbulence and water attenuation, a more comprehensive channel model is proposed. We derive the expressions of bit error rate (BER) and aggregate capacity of UOC-OAM systems. We also investigate the system performance with wavelengths of 400-700 nm . The numerical simulation results show that the blue-green wavelength is not always the best choice to provide large channel capacities for UOC-OAM systems. For large chlorophyll-a concentration channel, due to the strong attenuation the optimal wavelength is shifted toward red wavelength region. Meanwhile, with increasing of oceanic turbulence strength, the frequency bandwidth decreases and systems with larger wavelength show better performance. These results will be beneficial to the design and application of UOC-OAM systems.

Paper Details

Date Published: 31 January 2020
PDF: 6 pages
Proc. SPIE 11427, Second Target Recognition and Artificial Intelligence Summit Forum, 114272H (31 January 2020); doi: 10.1117/12.2552351
Show Author Affiliations
Xiaoli Yin, Beijing Univ. of Posts and Telecommunications (China)
Zhaoyuan Zhang, Beijing Univ. of Posts and Telecommunications (China)
Xiaozhou Cui, Beijing Univ. of Posts and Telecommunications (China)
Huan Chang, Beijing Univ. of Posts and Telecommunications (China)
Lihang Wang, Beijing Univ. of Posts and Telecommunications (China)


Published in SPIE Proceedings Vol. 11427:
Second Target Recognition and Artificial Intelligence Summit Forum
Tianran Wang; Tianyou Chai; Huitao Fan; Qifeng Yu, Editor(s)

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