Ronghua Chi, Yuan Yuan, Fei Wang, Tao Lü, Xiaohan Sun. Application of Bi-Directionally Pumped Raman Amplifier in 100 Gbit·s
-1 Ultra-Long Distance Transmission System
[J]. Laser & Optoelectronics Progress, 2019, 56(6): 060601
- Laser & Optoelectronics Progress
- Vol. 56, Issue 6, 060601 (2019)
Fig. 1. Structrual diagram of transmmission system
Fig. 2. Performance comparison between backward pumped Raman amplifier and bi-directionally pumped amplifier
Fig. 3. OSNR of system for span losses of 61 dB and 68 dB
Fig. 4. Evolutions of pump power and signal power in fiber link
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Table 1. Parameters of system equipment
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Table 2. Performance factors and costs of system under different amplifier combination schemes
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