Abstract
Dispersive wave emission (DWE) in gas-filled hollow-core dielectric waveguides is a promising source of tuneable coherent and broadband radiation, but so far the generation of few-femtosecond pulses using this technique has not been demonstrated. Using in-vacuum frequency-resolved optical gating, we directly characterize tuneable 3 fs pulses in the deep ultraviolet generated via DWE. Through numerical simulations, we identify that the use of a pressure gradient in the waveguide is critical for the generation of short pulses.
© 2019 Optical Society of America
Full Article | PDF ArticleMore Like This
Alexey Ermolov, Heli Valtna-Lukner, John Travers, and Philip St.J. Russell
Opt. Lett. 41(23) 5535-5538 (2016)
M. Reduzzi, M. Pini, L. Mai, F. Cappenberg, L. Colaizzi, F. Vismarra, A. Crego, M. Lucchini, C. Brahms, J. C. Travers, R. Borrego-Varillas, and M. Nisoli
Opt. Express 31(16) 26854-26864 (2023)
Federico Belli, Amir Abdolvand, John C. Travers, and Philip St. J. Russell
Opt. Lett. 44(22) 5509-5512 (2019)