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Proceedings Paper

Investigation of DOE effect on BER performance in space downlink chaotic optical communication system
Author(s): Yuan Chen; Xuan Du; Wenchen Li; Xin Li; Mi Li
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Paper Abstract

Chaotic optical communication is a secure communication method which uses synchronous chaotic carrier to realize encryption and decryption. With the demand for information security increasing, chaotic encryption has been applied to space optical communication experimentally. However, due to the complexity of chaotic system design, the bit error rate (BER) of space chaotic optical communication system is much higher than that of traditional one. High BER limits the bitrate of space chaotic optical communication while bitrate is quite important since a large amount of information needs to be transmitted in space downlink. According to our previous work, introducing two diffractive optical elements (DOEs) into optical subsystem can improve transmission efficiency, which equals to increasing transmission power. In this manuscript, we further investigate the effect of DOEs on BER and propose some suggestions on BER enhancement of space downlink chaotic optical communication.

Paper Details

Date Published: 18 December 2019
PDF: 6 pages
Proc. SPIE 11341, AOPC 2019: Space Optics, Telescopes, and Instrumentation, 1134108 (18 December 2019); doi: 10.1117/12.2539691
Show Author Affiliations
Yuan Chen, Nanjing Univ. (China)
Xuan Du, Shanghai Academy of Spaceflight Technology (China)
Wenchen Li, Nanjing Univ. (China)
Xin Li, Shanghai Academy of Spaceflight Technology (China)
Mi Li, Nanjing Univ. (China)

Published in SPIE Proceedings Vol. 11341:
AOPC 2019: Space Optics, Telescopes, and Instrumentation
Suijian Xue; Xuejun Zhang; Carl Anthony Nardell; Ziyang Zhang, Editor(s)

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