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A 301 MHz fundamentally mode-locked erbium fiber ring laser generating 108 fs pulses is demonstrated. Novel combination of gain fiber with anomalous group-velocity dispersion and intra-cavity silicon with normal group-velocity dispersion yields a stretched-pulse operation.
Generation of low timing-jitter 150-fs pulse trains at 1560 nm with 2 GHz repetition rate is demonstrated by locking a fundamentally mode-locked 200 MHz fiber laser to a high finesse (F=2000) external Fabry-Perot cavity.
Timing jitter characterization of free-running mode-locked lasers is demonstrated using balanced optical cross-correlation in the timing detector and the timing delay configurations. The limitation set by shot noise is 470 attoseconds in 10-MHz bandwidth.
We demonstrate large-scale, long-term stable, and femtosecond-precision timing distribution and synchronization systems based on optical pulse trains generated from ultralow-noise mode-locked lasers.
Generation of 130-fs pulse trains at 1560 nm with 1 GHz repetition rate is demonstrated by locking a fundamentally mode-locked 200 MHz repetition rate fiber laser to a high finesse (F=2100) external Fabry-Perot cavity.
A drift free synchronization distribution system with femtosecond accuracy is of great interest for free-electron-lasers such as FLASH or the European XFEL. Stability at that level can be reached by distributing laser pulses from a mode-locked erbium-doped fiber laser over length-stabilized fiber-links. In this paper, we present a prototype of a fiber-link stabilization system based on balanced optical...
Next generation light sources demand femtosecond-level synchronization of its subcomponents over distances of several km. We demonstrate an optical synchronization system based on distribution of mode-locked pulses over optical fiber in a real accelerator environment.
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