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Optical frequency combs have become revolutionary tools in high-precision applications. Timing jitter of optical pulse trains is an important property for optical frequency comb applications, including time/frequency metrology, low phase noise microwave generation, photonic analog-to-digital converters, photonics-based radars, dual-comb ranging, and timing synchronization and distribution, to name...
We show timing jitter spectrum measurement of free-running mode-locked lasers from 1-mHz to 40-MHz Fourier frequency. The demonstrated method can resolve different noise mechanisms that cause specific jitter characteristics from <100-ns to >1000-s time scales.
We demonstrate 14.3-attosecond timing jitter [integrated from 10 kHz to 94 MHz offset frequency] optical pulse trains from 188-MHz repetition-rate mode-locked Yb-fiber lasers. In order to minimize the timing jitter, we shorten the non-gain fiber length to shorten the pulsewidth and reduce excessive higher-order nonlinearity and nonlinear chirp in the fiber laser. The measured jitter spectrum is limited...
Beyond their traditional applications in time-resolved spectroscopy, femtosecond mode-locked lasers find more applications in ultrahigh-precision time and frequency measurement and control. In this paper, we review our recent progress in the measurement and control of timing properties of femtosecond lasers toward the attosecond precision.
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