研究目的
Investigating the implementation of Dispersion-Compensating Fiber (DCF) in DWDM transmission systems to compensate for chromatic dispersion and its effects on system performance at different bit rates and optical launch powers.
研究成果
The research demonstrated that DCF effectively compensates for chromatic dispersion in DWDM systems at both 10 Gbps and 40 Gbps bit rates. The optical launch power significantly impacts system performance, especially at higher bit rates. The study recommends specific optical launch power levels for optimal system performance.
研究不足
The study is limited to simulation results using OptiSystem 15.0 and does not include physical experimentation. The performance analysis is based on specific parameters and may not account for all real-world variables.
1：Experimental Design and Method Selection:
The study used OptiSystem
2：0 simulation software to model a DWDM system with 16 channels, 200 GHz channel spacing, and 300 km optical transmission length. The system included EDFA amplifiers and DCF for dispersion compensation. Sample Selection and Data Sources:
The simulation varied optical launch power from -4 to 10 dBm and bit rates of 10 Gbps and 40 Gbps.
3：List of Experimental Equipment and Materials:
The setup included CW lasers, NRZ generators, Mach Zehnder Modulators, single mode fibers, DCF, EDFA amplifiers, and photo detectors.
4：Experimental Procedures and Operational Workflow:
The system performance was evaluated based on BER, Q-factor, and received power.
5：Data Analysis Methods:
The results were analyzed to determine the effectiveness of DCF in compensating chromatic dispersion and the impact of optical launch power on system performance.
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