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Quantitative measurement of the phase locking of highly repetitive ultrashort optical pulses generated by a multifrequency continuous-wave Raman laser

机译:多频连续波拉曼激光器产生的高度重复的超短光脉冲锁相的定量测量

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摘要

We proposed and demonstrated a novel method for the evaluation of optical pulse trains generated by a multifrequency continuous-wave Raman laser operating at a mode separation of 17.6 THz. This approach is based on the detection of a nonlinear signal arising from the intensity modulation of a pulse train, which should provide a useful means for measuring the deviation from phase locking of multifrequency lasers. Our results suggest that an optimization of intracavity dispersion allows the generation of phase-locked multifrequency emissions, which leads to optical pulse trains at a repetition rate in excess of 10 THz.
机译:我们提出并证明了一种新颖的方法,用于评估由以17.6 THz的模式间隔工作的多频连续波拉曼激光器产生的光脉冲序列。该方法基于对脉冲序列强度调制产生的非线性信号的检测,这将为测量多频激光器的相位锁定偏差提供有用的手段。我们的结果表明,腔内色散的优化可以产生锁相多频发射,从而导致光脉冲序列的重复频率超过10 THz。

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