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ACP SCIENTIST LIMPERT PUBLISHES IN NATURE PHOTONICS


Together with colleagues from the Max Planck Institute for Quantum Optics in Garching, the Ludwigs-Maximilians-Universität Munich, and the University of Konstanz DESY in Hamburg, ACP principal scientist Jens Limpert has recently published an original research article titled "Temporal solitons in free-space femtosecond enhancement cavities" in Nature Photonics (Lilienfein et al., Nature Photon., doi.org/10.1038/s41566-018-0341-y). Congratulations!

Abstract: Temporal dissipative solitons in nonlinear optical resonators are self-compressed, self-stabilizing and indefinitely circulating wave packets. Owing to these properties, they have been harnessed for the generation of ultrashort pulses and frequency combs in active and passive laser architectures, including mode-locked lasers, passive fibre resonators and microresonators. Here, we demonstrate the formation of temporal dissipative solitons in a free-space enhancement cavity with a Kerr nonlinearity and a spectrally tailored finesse. By locking a 100-MHz-repetition-rate train of 350-fs, 1,035-nm pulses to this cavity-soliton state, we generate a 37-fs sech²-shaped pulse with a peak-power enhancement of 3,200, which exhibits low-frequency intensity-noise suppression. The power scalability unique to free-space cavities, the unprecedented combination of peak-power enhancement and temporal compression, and the cavity-soliton-specific noise filtering attest to the vast potential of this platform of optical solitons for applications including spatiotemporal filtering and compression of ultrashort pulses and cavity-enhanced nonlinear frequency conversion.

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