Observation of polychromatic gap solitons.
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We study theoretically and observe experimentally polychromatic gap solitons generated by supercontinuum light in an array of optical waveguides. The solitons are formed through a sharp transition from diffraction-induced broadening and color separation to the simultaneous spatio-spectral localization of supercontinuum light inside the photonic bandgap with the formation of the characteristic staggered phase structure for all colors.
complete list of authors
Sukhorukov, Andrey A||Neshev, Dragomir N||Dreischuh, Alexander||Krolikowski, Wieslaw||Bolger, Jeremy||Eggleton, Benjamin J||Bui, Lam||Mitchell, Arnan||Kivshar, Yuri S