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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 >Characterisation of ultrashort optical pulses in a dispersion-managed fibre link using two-photon absorption frequency-resolved optical gating
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Characterisation of ultrashort optical pulses in a dispersion-managed fibre link using two-photon absorption frequency-resolved optical gating

机译：使用双光子吸收频率分辨的光学门控对色散管理的光纤链路中的超短光脉冲进行表征

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摘要

Femtosecond optical pulses of 1550-nm wavelength propagated in a dispersion-managed single-mode optical fibre link consisting of a 50-m dispersion compensation fibre, a 250-m dispersion-shifted fibre, and a 300-m standard dispersion fibre are characterised by high-sensitivity two-photon absorption frequency-resolved optical gating. Output pulse spectrogram shows pulse trailing wings in the short and long wavelength parts of the time-spectral distribution of pulse intensity, and implies dominance of third-order chromatic dispersion in ultrashort pulse propagation in the fibre link. Numerical simulation using a nonlinear pulse propagation equation, including the experimental characteristics of chromatic dispersion in the fibre link, produces a theoretical output pulse shape qualitatively consistent with that of output pulse shape reconstructed from the experimental pulse spectrogram.
机译：在由50 m色散补偿光纤，250 m色散位移光纤和300 m标准色散光纤组成的色散管理单模光纤链路中传播的1550 nm波长的飞秒光脉冲的特征在于高灵敏度双光子吸收频率分辨光学门控。输出脉冲频谱图显示了脉冲强度时间谱分布的短波和长波部分中的脉冲尾翼，并暗示了光纤链路中超短脉冲传播中三阶色散的优势。使用非线性脉冲传播方程式进行的数值模拟（包括光纤链路中色散的实验特性）在质量上与从实验脉冲频谱图重建的输出脉冲形状在理论上一致。

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