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BER Analysis of Coherent Free-Space Optical Communication Systems with a Focal-Plane-Based Wavefront Sensor

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Abstract

A wavefront sensor is one of most important units for an adaptive optics system. Based on our previous works, in this paper, we discuss the bit-error-rate (BER) performance of coherent free space optical communication systems with a focal-plane-based wavefront sensor. Firstly, the theory of a focal-plane-based wavefront sensor is given. Then the relationship between the BER and the mixing efficiency with a homodyne receiver is discussed on the basis of binary-phase-shift-keying (BPSK) modulation. Finally, the numerical simulation results are shown that the BER will be decreased obviously after aberrations correction with the focal-plane-based wavefront sensor. In addition, the BER will decrease along with increasing number of photons received within a single bit. These analysis results will provide a reference for the design of the coherent Free space optical communication (FSOC) system.

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Authors and Affiliations

  1. Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, 130033, China

    Jingtai Cao

  2. College of Communication Engineering, Jilin University, Changchun, 130012, China

    Jingtai Cao, Xiaohui Zhao, Wei Liu & Haijun Gu

Authors
  1. Jingtai Cao
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  2. Xiaohui Zhao
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  3. Wei Liu
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  4. Haijun Gu
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Correspondence to Haijun Gu.

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Cao, J., Zhao, X., Liu, W. et al. BER Analysis of Coherent Free-Space Optical Communication Systems with a Focal-Plane-Based Wavefront Sensor. J. Korean Phys. Soc. 72, 555–560 (2018). https://doi.org/10.3938/jkps.72.555

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  • DOI: https://doi.org/10.3938/jkps.72.555

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