Junyu WU, Xueyuan AO, Lei DENG, Xiaoxiao DAI, Songnian FU, Chen LIU, Qi YANG. Research of Unrepeatered Transmission System based on Amplifier Optimization[J]. Study On Optical Communications, 2024, 50(4): 23000301
- Study On Optical Communications
- Vol. 50, Issue 4, 23000301 (2024)
Fig. 1. The diagram of unrepeatered transmission system
Fig. 2. The diagram of simulation structure of unrepeatered transmission system with DRA
Fig. 3. The diagram of simulation structure of unrepeatered transmission system with EDFA only
Fig. 4. Simulation of power distribution of signal in fiber link under two unrepeatered transmission
Fig. 5. The diagram of simulation structure of 4 channel WDM unrepeatered transmission system
Fig. 6. BER of received signal in two simulation with same bit rate
Fig. 7. The experimental setup of real-time unrepeatered transmissio
Fig. 8. The photo of real-time unrepeatered transmission experiment
Fig. 9. BER and the best signal constellations of the single carrier system and 4 channel WDM system in the real-time unrepeatered transmission experiment
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Table 1. Advantages and disadvantages of amplifiers in unrepeatered transmission system
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Table 2. The parameter of simulation environment and fiber link ring
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Table 3. BER of each channel in the 4-channel WDM System
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