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40 Gb/s all-optical regeneration based on the pump depletion effect in fiber parametric amplification

机译:基于光纤参量放大中的泵浦耗尽效应的40 Gb / s全光再生

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摘要

A novel all-optical regeneration scheme based on fiber-optic parametric amplification operating under the strong pump depletion regime is numerically demonstrated and investigated. It is shown that a high-power intensity modulated signal depletes the continuous wave pump in such a manner that the latter becomes intensity modulated and inverted compared to the signal. A cascade of two such devices that are working under strong pump-depletion has the potential to provide a noninverted, either wavelength converted or not, amplitude modulated output, which exhibits regenerative characteristics with respect to the input signal. In this work, an extended numerical analysis accompanied with theoretical support provides the power transfer characteristics and the phase analysis of the proposed regenerator under various operating conditions. Dynamic numerical simulations are also carried out in order to evaluate the regenerative performance of the proposed scheme in a long-haul transmission system. The cascadability analysis reveals the ability of the proposed regenerator to operate efficiently for both return and nonreturn to zero intensity modulated signals. The proposed reshaping technique is numerically compared to other schemes based on parametric amplification in fibers that have been reported in the literature. The numerical analysis shows the potential of the proposed scheme to compete and even outperform the other parametric regenerators.
机译:数值论证和研究了一种基于光纤参量放大的新型全光再生方案,该方案在强泵浦耗竭条件下运行。示出了高功率强度调制信号以这样的方式耗尽了连续波泵,使得该连续波泵与信号相比变得强度调制并且被反相。在强的泵浦损耗下工作的两个这样的设备的级联有可能提供同相(无论是否经过波长转换)的幅度调制输出,该输出相对于输入信号表现出再生特性。在这项工作中,扩展的数值分析以及理论支持为拟议的再生器在各种工况下提供了功率传递特性和相位分析。为了评估所提出的方案在长距离传输系统中的再生性能,还进行了动态数值模拟。级联分析揭示了所提出的再生器对于返回和不返回零强度调制信号均有效运行的能力。将所提出的整形技术与基于文献中已报道的光纤中基于参数放大的其他方案进行数值比较。数值分析表明,该方案具有竞争甚至超越其他参数再生器的潜力。

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