Researching | Performance of Faster-than-Nyquist Optical Communication System under Gamma-Gamma Atmospheric Turbulence

Chinese Journal of Lasers, Volume. 47, Issue 9, 906003(2020)

Performance of Faster-than-Nyquist Optical Communication System under Gamma-Gamma Atmospheric Turbulence

Cao Minghua^*, Wu Xin, Wang Huiqin, and Peng Qingbin

Author Affiliations

School of Computer and Communication, Lanzhou University of Technology, Lanzhou, Gansu 730050, China

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References (27)

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Figures & Tables(11)

Fig. 1. Time-domain FTN-QPSK signal waveform under different roll-off factors

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Fig. 2. Time-domain signal waveform

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Fig. 3. Frequency-domain signal waveform

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Fig. 4. Schematic of atmospheric optical communication system based on FTN-QPSK modulation mode

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Fig. 5. Theoretical and simulated values

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Fig. 6. System BER under different transmission distances

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Fig. 7. Effect of FTN on BER under different turbulence

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Fig. 8. Effect of FTN on <C_FTN-GG> under different turbulence

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Fig. 9. Effect of acceleration constant on BER

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Fig. 10. Effect of acceleration constant on <C_FTN-GG>

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Table 1. Simulation parameters
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Table 1. Simulation parameters
Parameter Value Parameter Value
Channel space /GHz 20 λ /nm 1550
Data rate /(Gbit·s^-1) 44 τ 0.75
E 1 T /s 1
η /mA·mW^-1 0.5 $\begin{matrix} C_{n}^{2} \end{matrix}$ /m^-2/3 0.50×10^-13,1.13×10^-13,5.00×10^-13
D /m 0.2 L /m 1500, 2000, 2500

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Cao Minghua, Wu Xin, Wang Huiqin, Peng Qingbin. Performance of Faster-than-Nyquist Optical Communication System under Gamma-Gamma Atmospheric Turbulence[J]. Chinese Journal of Lasers, 2020, 47(9): 906003

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Paper Information

Category: Fiber optics and optical communication

Received: Jan. 17, 2020

Accepted: --

Published Online: Sep. 16, 2020

The Author Email: Minghua Cao (caominghua@lut.edu.cn)

DOI:10.3788/CJL202047.0906003

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology