Octave-spanning supercontinuum generation via microwave frequency multiplication
Octave-spanning supercontinuum generation via microwave frequency multiplication
复制标题
通过微波倍频生成倍频程超连续谱
DOI：
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发表时间：
2016
期刊：
影响因子：
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通讯作者：
S. Papp
中科院分区：
文献类型：
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作者：
D. Cole;K. Beha;S. Diddams;S. Papp
我们展示了一种基于电信组件的系统，用于从连续波激光中产生相干倍频程跨越超连续谱。该系统利用从商用合成器获得的10 GHz信号的直接乘法来雕刻来自激光器的脉冲，然后分两个阶段迭代地对脉冲进行啁啾和压缩。在通过电光门的选择性传输将产生的脉冲序列的重复频率降低到2.5 GHz之后，通过高度非线性的光纤传输产生了一个倍频程的超连续谱。我们讨论了调制频率的噪声对超连续谱相干性的影响，并讨论了它的抑制。实验和理论之间的密切一致是贯穿始终的，我们利用我们的能力来精确地模拟实验，建议将系统扩展到20 GHz的重复频率。
We demonstrate a system based on telecom components for the generation of a coherent octave-spanning supercontinuum from a continuous-wave laser. The system utilizes direct multiplication of a 10 GHz signal derived from a commercial synthesizer to carve pulses from the laser, which are then iteratively chirped and compressed in two stages. After reducing the repetition rate of the resulting pulse train to 2.5 GHz using selective transmission through an electro-optic gate, propagation through highly-nonlinear fiber generates an octave-spanning supercontinuum spectrum. We discuss the impact of the noise of the modulation frequency on the coherence of the supercontinuum and discuss its mitigation. Close agreement between experiment and theory is shown throughout, and we use our ability to precisely model the experiment to propose an extension of the system to 20 GHz repetition rate.