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Spatiotemporal mode decomposition of ultrashort pulses propagating in graded-index multimode fibers
Mario Zitelli, Vincent Couderc, Mario Ferraro +4
We develop a spatiotemporal mode decomposition technique to study the mode power distribution of ultrashort pulses emerging from long spans of graded-index multimode fiber, for dif…
X-ray computed -tomography for the characterization of optical fibers
Mario Ferraro, Maria C. Crocco, Fabio Mangini +11
In spite of their ubiquitous applications, the characterization of glass fibers by means of all-optical techniques is still facing some limitations. Recently, X-ray absorption has…
Optimizing supercontinuum spectro-temporal properties by leveraging machine learning towards multi-photon microscopy
Van Thuy Hoang, Yassin Boussafa, Lynn Sader +3
Multi-photon microscopy has played a significant role in biological imaging since it allows to observe living tissues with improved penetration depth and excellent sectioning effec…
Multimode optical fiber beam-by-beam cleanup
Mario Ferraro, Fabio Mangini, Yann Leventoux +8
We introduce and experimentally demonstrate the concept of all-optical beam switching in graded-index multimode optical fibers. Nonlinear coupling between orthogonally polarized se…
Numerical analysis of beam self-cleaning in multimode fiber amplifiers
Mesay Addisu Jima, Alessandro Tonello, Alioune Niang +6
Recent experimental results have reported the observation of beam self-cleaning or, more generally, nonlinear beam reshaping in active multimode fibers. In this work we present a n…
Twin Spotlight Beam Generation in Quadratic Crystals
Raphaël Jauberteau, Sahar Wehbi, Tigran Mansuryan +6
Optical rogue waves have been extensively studied in the past two decades. However, observations of multidimensional extreme wave events remain surprisingly scarce. In this work we…