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多波长转换对于增强波分复用光网络的灵活性具有重要意义。基于光子晶体光纤中的多四波混频原理,实现了4×10Gbit/s全光波长转换,深入调查了泵浦功率、光纤长度、信号光与泵浦光偏振失配对波长转换信号质量的影响。结果表明:当泵浦光功率从6dBm到20dBm增长的过程中,转换信号Q因子随泵浦光功率增大而增大,最大为82.01,光纤长度从50m到120m变化过程中,转换信号Q因子最大为57.41,而随着信号光与泵浦光偏振失配角的增大,转换信号Q因子逐渐降低,当失配角大于60°后,转换信号质量急剧下降。
Multi-wavelength conversion is of great importance for enhancing the flexibility of WDM optical networks. Based on the principle of multi-four-wave mixing in photonic crystal fiber, 4 × 10Gbit / s all-optical wavelength conversion is realized. The effects of pump power, fiber length, polarization mismatch between signal light and pump light on wavelength conversion signal are investigated . The results show that when the pump power increases from 6dBm to 20dBm, the Q factor of the conversion signal increases with the increase of the pump light power, the maximum is 82.01. When the fiber length changes from 50m to 120m, The maximum is 57.41. With the increase of polarization mismatch angle between the signal light and the pump light, the Q factor of the converted signal decreases gradually. When the mismatch angle is larger than 60 °, the quality of the converted signal decreases sharply.