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通过数值模拟研究了 1 6× 1 0 Gbit/s高速通信系统中非线性效应对系统误码率的影响 .模拟结果表明 :G.6 5 2光纤中存在的 SPM和 XPM非线性效应使得系统误码率随入纤光功率的增大呈现多级变化 ;入纤光功率的取值范围应为 9d Bm≤ Pin ≤ 1 6 d Bm.这些研究结论具有实用价值 .
The effect of nonlinearity on the bit error rate (BER) of a 16 × 10Gbit / s high-speed communication system is investigated by numerical simulation.The simulation results show that the nonlinear effects of SPM and XPM in G.6-52 fiber make the system error The code rate changes in a multistage manner with the increase of input fiber power, and the range of input fiber power should be 9d Bm ≤ Pin ≤ 16d Bm. These conclusions are of practical value.