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Publication
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A system and method to generate ultrashort high beam quality pulses from spatio- temporally mode-locked multimode fiber laser are described. The invention relies on engineering the intra-cavity pulse propagation in a multimode laser cavity to shape the spatial and temporal properties of the output pulses. The invention allows the generation of Kerr-induced self-beam cleaning when mode-locking is obtained. Using this invention, high power ultrashort pulses can be achieved with a Gaussian mode profile by using commercially available multimode fibers.
Camille Sophie Brès, Anton Stroganov, Ozan Yakar, Marco Clementi, Christian André Clément Lafforgue, Anamika Nair Karunakaran