激光与光电子学进展, 2018, 55 (9): 090603, 网络出版: 2018-09-08   

时钟抽运光纤再生器的动态转移特性研究

Research on Dynamic Transfer Characteristics of Clock-Pumped Fiber Regenerators
作者单位
电子科技大学光纤传感与通信教育部重点实验室, 四川 成都 611731
摘要
针对放大自发辐射噪声引起的信号劣化情形, 分析了时钟抽运四波混频光纤再生器的静态和动态功率转移函数(PTF)以及Q因子转移函数(QTF)三者之间的差异, 揭示了消光比参数对动态PTF曲线的影响。重点研究了全光再生器的动态PTF和QTF特性, 发现仿真结果与实验数据相吻合。研究表明, 在给定波长配置和光纤参数下, PTF输出饱和点和QTF最佳工作点所对应的输入光功率相差1 dB, 且与抽运光功率基本无关。该结论意味着通过测量动态PTF曲线可以获得最佳工作点的信息。
Abstract
We analyze the differences of static and dynamic power transfer functions (PTFs) and Q-factor transfer function (QTF) for clock-pumped four-wave mixing (FWM) fiber regenerators with the optical signal degraded by spontaneous emission noise. The influence of extinction ratio on the dynamic PTF curve is revealed. The dynamic PTF and QTF characteristics of all-optical regenerator are studied emphatically and the simulation results are in good agreement with the experimental data. It is shown that the input optical power corresponding to the PTF′s output saturation point is larger than that to the QTF′s optimal operating point by 1 dB for the given wavelength configuration and optical fiber parameters. Besides, the point is basically independent of the pump optical power. This conclusion means that the optimal operating point can be derived by measurement of the corresponding dynamic PTF curves.

卢行, 武保剑, 万峰, 耿勇, 邱昆. 时钟抽运光纤再生器的动态转移特性研究[J]. 激光与光电子学进展, 2018, 55(9): 090603. Lu Hang, Wu Baojian, Wan Feng, Geng Yong, Qiu Kun. Research on Dynamic Transfer Characteristics of Clock-Pumped Fiber Regenerators[J]. Laser & Optoelectronics Progress, 2018, 55(9): 090603.

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