Impact of pulse dynamics on timing jitter in mode-locked fiber lasers

Abstract

We investigate the high-frequency timing jitter spectral density of mode-locked fiber lasers in different mode-locked regimes. Quantum-noise-limited timing jitter spectra of mode-locked-regime-switchable Yb fiber lasers are measured up to the Nyquist frequency with $\mathrm{sub}\text{-}100\text{-}\mathrm{as}$ resolution. The integrated rms timing jitter of soliton, stretched-pulse, and self-similar Yb fiber lasers is measured to be 1.8, 1.1, and $2.9\mathrm{fs}$, respectively, when integrated from $10\mathrm{kHz}$ to $40\mathrm{MHz}$. The distinct behavior of jitter spectral density related to pulse formation mechanisms is revealed experimentally for the first time.

© 2011 Optical Society of America

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