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首页> 外文期刊>Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter >Complete theoretical analysis of actively mode-locked fiber ring laser with external optical modulation of a semiconductor optical amplifier
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Complete theoretical analysis of actively mode-locked fiber ring laser with external optical modulation of a semiconductor optical amplifier

机译：具有半导体光放大器的外部光调制的有源锁模光纤环形激光器的完整理论分析

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摘要

We present a complete and extensive study of an actively mode-locked ring laser that uses a semiconductor optical amplifier (SOA) acting both as gain medium and mode-locker controlled by an external optical signal, including self-phase modulation (SPM) due to the SOA gain saturation by the recirculating mode-locked pulses and the associated imposed chirp. The operation of the different cavity elements is separately modelled and combined to obtain the self-consistent equation of mode-locking. The role of the critical parameters on the formation of the mode-locked pulses, which include the SOA linewidth enhancement factor, small signal gain and carrier lifetime, the external driving pulse width and energy and the bandwidth of the filter, as well as the simultaneous effect of SPM and dispersion is thoroughly investigated in order to specify the conditions that are required to obtain output pulses of short width and high energy. The adopted theoretical approach and the outcome of the simulation can form the basis for analyzing, evaluating and improving the performance of more complex, non-trivial implementations that exploit this ring laser platform and which are expected to find application in all-optical networks. (c) 2005 Elsevier B.V. All rights reserved.
机译：我们介绍了一种主动锁模环形激光器的完整，广泛的研究，该激光器使用半导体光放大器（SOA）作为增益介质和受外部光信号（包括自相位调制（SPM））控制的锁模器循环锁模脉冲和相关的线性调频脉冲使SOA增益饱和。对不同腔体元件的操作分别进行建模和组合，以获得锁模的自洽方程。关键参数对锁模脉冲形成的作用，包括SOA线宽增强因子，小信号增益和载波寿命，外部驱动脉冲宽度和能量以及滤波器的带宽以及同步彻底研究了SPM和色散的影响，以便确定获得短宽度和高能量的输出脉冲所需的条件。所采用的理论方法和仿真结果可以为分析，评估和改进利用此环形激光器平台的更复杂，非平凡实现的性能奠定基础，并有望在全光网络中找到应用。 （c）2005 Elsevier B.V.保留所有权利。

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