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Spectral self-imaging effect by time-domain multilevel phase modulation of a periodic pulse train

机译:周期性脉冲序列时域多级相位调制的光谱自成像效应

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摘要

We propose and analyze a novel (to our knowledge) approach to implement the spectral self-imaging effect of optical frequency combs. The technique is based on time-domain multilevel phase-only modulation of a periodic optical pulse train. The method admits both infinite- and finite-duration periodic pulse sequences. We show that the fractional spectral self-imaging effect allows one to reduce by an integer factor the comb frequency spacing. Numerical simulation results support our theoretical analysis.
机译:我们提出并分析了一种新颖的方法(据我们所知),以实现光学频率梳的光谱自成像效果。该技术基于周期性光脉冲序列的时域多级仅相位调制。该方法允许无限和有限持续时间的周期性脉冲序列。我们证明了分数频谱自成像效应可以使整数频率的梳齿频率间隔减小。数值模拟结果支持我们的理论分析。

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