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A: Fachverband Atomphysik

A 41: Advanced Concepts for High Peak Power Ultrafast Lasers II

A 41.3: Hauptvortrag

Freitag, 4. März 2016, 15:00–15:30, e415

Multi-TW infrared laser using Frequency domain Optical Parametric Amplification — Bruno E. Schmidt¹, Philippe Lassonde², •Guilmot Ernotte², Mathieu Giguere¹, Nicolas Thire², Antoine Laramee², Heide Ibrahim², and Francois Legare² — ¹few-cycle Inc., (few-cycle.com), 2890 Rue de Beaurivage, Montréal, Qc, H1L 5W5, Canada — ²Institut National de la Recherche Scientifique, Centre ÉMT, 1650 bd Lionel Boulet, Varennes, Qc, J3X1S2, Canada

The universal dilemma of gain narrowing occurring in fs amplifiers prevents ultra-high power lasers from delivering few-cycle pulses. This problem is overcome by a new amplification concept: Frequency domain Optical Parametric Amplification - FOPA. A proof of principle experiment was carried out at the Advanced Laser Light Source (ALLS) on the sub-two cycle IR beam line and yielded record breaking performance in the field of few-cycle IR lasers. 100μJ two-cycle pulses from a hollow core fibre compression setup were amplified to 1.43mJ without distorting spatial or temporal properties [1]. Pulse duration at the input of FOPA and after FOPA remains the same. Recently, we have started upgrading this system to be pumped by 250 mJ to reach 40 mJ two-cycle IR few-cycle pulses and latest results will be presented at the conference.

[1] B. E. Schmidt, N. Thiré, M. Boivin, A. Laramée, F. Poitras, G. Lebrun, T. Ozaki, H. Ibrahim, and F. Légaré, *Frequency domain optical parametric amplification.,* Nature Commun. 5, 3643 (2014).