Performance of Satellite-to-Ground Laser Communications Under the Influence of Atmospheric Turbulence and Platform Micro-Vibration

Sun Jing; Huang Puming; Yao Zhoushi

doi:10.3788/LOP202158.0301003

Journals >Laser & Optoelectronics Progress >Volume 58 >Issue 3 >Page 301003 > Article

Laser & Optoelectronics Progress
Vol. 58, Issue 3, 301003 (2021)

Performance of Satellite-to-Ground Laser Communications Under the Influence of Atmospheric Turbulence and Platform Micro-Vibration

Sun Jing^*, Huang Puming, and Yao Zhoushi

Author Affiliations

Xi''an Institute of Space Radio Technology, Xi''an , Shaanxi 710100, China

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DOI: 10.3788/LOP202158.0301003 Cite this Article Set citation alerts

Sun Jing, Huang Puming, Yao Zhoushi. Performance of Satellite-to-Ground Laser Communications Under the Influence of Atmospheric Turbulence and Platform Micro-Vibration[J]. Laser & Optoelectronics Progress, 2021, 58(3): 301003 Copy Citation Text

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Fig. 1. Schematic diagram of the receiver system

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Fig. 2. Variation curve of the BER with the zenith angle

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Fig. 3. Variation curve of the BER with the transmitting optical antenna aperture

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Fig. 4. Variation curve of the BER with the receiving optical antenna aperture

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Fig. 5. Variation curve of BER with normalized pointing error variance

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Parameter description	Symbol	Value
Laser wavelength/nm	$λ$	1550
Altitude of the satellite/km	$H$	38000
Transmitter aperture diameter/cm	$D_{T}$	20
Beam divergence	$θ_{d i v}$	$4 λ / π D_{T}$
Transmit power/dBm	$P_{T}$	20
Altitude of the optical ground station/km	$h_{0}$	0
Noise equivalent bandwidth of the photodetector/GHz	$Δ f$	2
Mode field radius at the fiber end face/ $μ m$	$W_{m}$	$5$
Equivalent focal length of the receiver system/m	$f$	3
Photodetector responsivity/（A·W-1）	$R_{d}$	$1$
Wind velocity/(m·s-1)	$w$	$21$
Refractive index parameter/ $m^{- 2 / 3}$	$B_{0}$	$1.7 \times 10^{- 14}$
Zenith angle/rad	$ζ$	$0 - π / 2$

Table 1. Simulation parameters of the satellite-to-ground downlink

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