Nonlinear pulse dynamic in a weak coupled normal dispersion multicore fiber

Denis Kharenko; Natalia Koliada; Mikhail Gervaziev; Igor Chekhovskoy; Nikita Bochkarev; Alexander Revyakin; Georgiy Patrin; Olya Shtyrina; Mikhail Fedoruk; Sergey Babin

doi:10.1117/12.2688542

26 November 2023 Nonlinear pulse dynamic in a weak coupled normal dispersion multicore fiber

Denis Kharenko, Natalia Koliada, Mikhail Gervaziev, Igor Chekhovskoy, Nikita Bochkarev, Alexander Revyakin, Georgiy Patrin, Olya Shtyrina, Mikhail Fedoruk, Sergey Babin

Author Affiliations +

Proceedings Volume 12775, Quantum and Nonlinear Optics X; 127750W (2023) https://doi.org/10.1117/12.2688542
Event: SPIE/COS Photonics Asia, 2023, Beijing, China

Abstract

Linear and non-linear propagation of ultrashort pulses in a seven-core fiber was investigated experimentally and numerically in a normal dispersion regime. We observed non-uniform coupling conditions between different cores that may be the result of a random refractive index deviation. It was characterized by measurements of the power distribution and FROG traces at the output of a multicore fiber. The cores were excited by a spatial light modulator using the weighted Gerchberg-Saxton algorithm to generate phase masks. It allows us to switch-on any combination without manual alignment of the experimental setup. Finally, as the input power increased, a nonlinear coupling was observed between the selected cores, similar to a saturable absorber. So we believe that such a device could be useful for a development of high-power ultrashort fiber lasers and pulse shaping applications.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Denis Kharenko, Natalia Koliada, Mikhail Gervaziev, Igor Chekhovskoy, Nikita Bochkarev, Alexander Revyakin, Georgiy Patrin, Olya Shtyrina, Mikhail Fedoruk, and Sergey Babin "Nonlinear pulse dynamic in a weak coupled normal dispersion multicore fiber", Proc. SPIE 12775, Quantum and Nonlinear Optics X, 127750W (26 November 2023); https://doi.org/10.1117/12.2688542

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