arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2002.09160physics.opticsnlin.PS
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用于频率梳单次重构的合成光子晶格

Synthetic photonic lattice for single-shot reconstruction of frequency combs

James G. Titchener, Bryn Bell, Kai Wang, Alexander S. Solntsev, Benjamin J. Eggleton, Andrey A. Sukhorukov

摘要:

我们制定理论和实验证明了一个全光学的方法重建的振幅,相位和相干的频率梳从单次测量的光谱强度。我们的方法利用合成频率晶格与泵浦诱导的光谱之间的短距离和长距离的耦合在一个单一的非线性光纤的宽带宽的数百GHz的不同信号分量。当与超快信号转换技术相结合时,这种方法有可能提供实时测量奇异光源的光谱相位和相干特性的脉冲到脉冲变化。

英文摘要:

We formulate theoretically and demonstrate experimentally an all-optical method for reconstruction of the amplitude, phase and coherence of frequency combs from a single-shot measurement of the spectral intensity. Our approach exploits synthetic frequency lattices with pump-induced spectral short- and long-range couplings between different signal components across a broad bandwidth of of hundreds GHz in a single nonlinear fiber. When combined with ultra-fast signal conversion techniques, this approach has the potential to provide real-time measurement of pulse-to-pulse variations in the spectral phase and coherence properties of exotic light sources.

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