Hollow top‐hat DOE shaping method applied in space uplink chaotic optical communication for BER improvement | Zendy

Li Mi | Zendy; Chen Yuan | Zendy; Yu Jianjie | Zendy; Chen Minwei | Zendy; Song Yuejiang | Zendy

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Hollow top‐hat DOE shaping method applied in space uplink chaotic optical communication for BER improvement

Author(s) -

Li Mi,

Chen Yuan,

Yu Jianjie,

Chen Minwei,

Song Yuejiang

Publication year - 2020

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

ISSN - 1350-911X

DOI - 10.1049/el.2019.4130

Subject(s) - chaotic , telecommunications link , optical communication , computer science , electronic engineering , space (punctuation) , free space optical communication , telecommunications , engineering , artificial intelligence , operating system

As the traditional refractive optical telescope blocks part of the transmission beam, the transmission efficiency in space chaotic optical communication is needed to be improved. A couple of diffractive optical elements (DOEs) are introduced into the optical subsystem at transmitting terminal to avoid the obscuration through shaping transmission beam into hollow top‐hat beam (HTB). The simulation results indicate that shaping transmission beam into HTB is more efficient than traditional hollow Gaussian beam in bit error rate (BER) improvement of space chaotic optical communication. The results are significant for the optimisation design of space uplink chaotic optical communication system.

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