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利用1×4光纤耦合器制成了4×10Gbit/s的光时分复用器,并对由该光时分复用器产生的40Gbit/s光信号进行了实验研究,分析了造成复用信号幅度随机波动的原因及改进方法。实验表明,改进后的40Gbit/s光信号波动很小,已经达到OTDM系统要求。
The 4 × 10Gbit / s optical time-division multiplexer is made by 1 × 4 fiber coupler, and the 40Gbit / s optical signal generated by this optical time-division multiplexer is experimentally studied. The effects of the multiplexed signal amplitude The reason of stochastic fluctuation and the improvement method. Experiments show that the improved 40Gbit / s optical signal is very small and has reached the requirements of OTDM system.