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Start Over Author "Pagnoux, D." Publication Type Reports
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1. Spatiotemporal Characterization of Supercontinuum Extending from the Visible to the Mid-Infrared in Multimode Graded-Index Optical Fiber

Author

Krupa, K., Louot, C., Couderc, V., Fabert, M., Guenard, R., Shalaby, B. M., Tonello, A., Barthélémy, A., Pagnoux, D., Leproux, P., Bendahmane, A., Dupiol, R., Millot, G., and Wabnitz, S.

Subjects
Physics - Optics
Abstract

We experimentally demonstrate that pumping a graded-index multimode fiber with sub-ns pulses from a microchip Nd:YAG laser leads to spectrally flat supercontinuum generation with a uniform bell-shaped spatial beam profile extending from the visible to the mid-infrared at 2500\,nm. We study the development of the supercontinuum along the multimode fiber by the cut-back method, which permits us to analyze the competition between the Kerr-induced geometric parametric instability and stimulated Raman scattering. We also performed a spectrally resolved temporal analysis of the supercontinuum emission., Comment: 5 pages 7 figures

Published
2016
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