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  • Received: Mar. 3, 2020

    Accepted: Apr. 16, 2020

    Posted: May. 22, 2020

    Published Online: May. 25, 2020

    The Author Email: Mi Li (

    DOI: 10.3788/COL202018.070601

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    Mi Li, Yuan Chen, Yuejiang Song, Cheng Zeng, Xuping Zhang. DOE effect on BER performance in MSK space uplink chaotic optical communication[J]. Chinese Optics Letters, 2020, 18(7): 070601

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Chinese Optics Letters, Vol. 18, Issue 7, 070601 (2020)

DOE effect on BER performance in MSK space uplink chaotic optical communication

Mi Li*, Yuan Chen, Yuejiang Song, Cheng Zeng, and Xuping Zhang

Author Affiliations

  • Key Laboratory of Intelligent Optical Sensing and Manipulation, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China


With the increasing demand for space optical communication security, space chaotic optical communication has attracted a great amount of attention. Compared with traditional space optical communication, a chaotic optical communication system has a higher bit error rate (BER) for its complex system design. In order to decrease the BER of space chaotic optical communication systems, we introduce two diffractive optical elements (DOEs) at a transmitting terminal (Tx). That is because the commonly used reflective optical antenna at Tx blocks the central part of the transmission beam, which leads to a great amount of power consumption. Introducing the DOEs into the optical subsystem at Tx can reshape the transmission beam from a Gaussian distribution to a hollow Gaussian distribution so that the block of the secondary mirror in the reflective optical antenna can be avoided. In terms of the DOE influence on communication quality, we give a BER model based on a minimum-shift-key (MSK) space uplink chaotic optical communication system to describe the DOE function. Based on the model, we further investigate the effect of the DOEs through analyzing the BER relationship versus basic system parameters based on the BER model. Both different mismatch conditions of chaotic systems and different atmospheric turbulence conditions are considered. These results will be helpful for the scheme design of space uplink chaotic optical communication systems.


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