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1 April 2022 Two-octave spanning supercontinuum generation in a lead-bismuth-gallate graded-index multimode fiber
Zahra Eslami, Lauri Salmela, Adam Filipkowski, Dariusz Pysz, Mariusz Klimczak, Ryszard Buczynski, John M. Dudley, Goëry Genty
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Proceedings Volume PC11987, Laser Resonators, Microresonators, and Beam Control XXIV; PC1198708 (2022) https://doi.org/10.1117/12.2608965
Event: SPIE LASE, 2022, San Francisco, California, United States
Abstract
We report for the first time the generation of a two-octave spanning supercontinuum (SC) from 700 nm to 2800 nm in a 20 cm non-silica graded-index multimode fiber. We study the SC generation and associated nonlinear instabilities in different dispersion regimes and characterize the SC stability. Significantly, under particular injection conditions, we observe clear signatures of self-cleaning dynamics with a near single-mode spatial intensity distribution at the fiber output. Our results are confirmed by numerical simulations of the 3D+1 generalized nonlinear Schrodinger equation
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Zahra Eslami, Lauri Salmela, Adam Filipkowski, Dariusz Pysz, Mariusz Klimczak, Ryszard Buczynski, John M. Dudley, and Goëry Genty "Two-octave spanning supercontinuum generation in a lead-bismuth-gallate graded-index multimode fiber", Proc. SPIE PC11987, Laser Resonators, Microresonators, and Beam Control XXIV, PC1198708 (1 April 2022); https://doi.org/10.1117/12.2608965
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KEYWORDS
GRIN lenses
Supercontinuum generation
Multimode fibers
Glasses
Nanolithography
Nanostructuring
Numerical simulations
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