We demonstrate a transition from positive to negative temperature of optical gas revealed by inversion of modal distribution as a power of femtosecond pulse carried by the fundamental fiber mode approaches a highly nonlinear regime.
Spatial beam freezing in a few-mode optical fiber / Stefańska, Karolina; Ferraro, Mario; Mangini, Fabio; Gemechu, Wasyhun A.; Wabnitz, Stefan. - (2025). ( Nonlinear Optics 2025 Honolulu, USA ).
Spatial beam freezing in a few-mode optical fiber
Karolina Stefańska;Mario Ferraro;Fabio Mangini;Wasyhun A. Gemechu;Stefan Wabnitz
2025
Abstract
We demonstrate a transition from positive to negative temperature of optical gas revealed by inversion of modal distribution as a power of femtosecond pulse carried by the fundamental fiber mode approaches a highly nonlinear regime.File allegati a questo prodotto
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