Few-cycle Yb laser source at 20 kHz using multidimensional solitary states in hollow-core fibers
L. Arias, Adrien Longa, Gaëtan Jargot, A. Pomerleau, Philippe Lassonde, G. Fan, Reza Safaei, P. B. Corkum, Fabio Boschini, Heide Ibrahim, François Légaré
Abstract
We demonstrate ultrashort pulse compression from 300 fs down to 17 fs at a repetition rate of 20 kHz and 160-µJ output pulse energy (3.2 W of average power) using multidimensional solitary states (MDSS) in a 1-meter hollow-core fiber (HCF) filled with N 2 O. Under static pressure, thermal limitations at this repetition rate annihilate the MDSS with suppression of spectral broadening. The results obtained in differential pressure configuration mitigate thermal effects and significantly increase the range of repetition rate over which MDSS can be used to compress sub-picosecond laser pulses.
Topics & Concepts
OpticsMaterials scienceFiber laserPicosecondYtterbiumLaserCore (optical fiber)Optical fiberThermalFiberPhysicsMeteorologyComposite materialLaser-Matter Interactions and ApplicationsAdvanced Fiber Laser TechnologiesPhotonic Crystal and Fiber Optics