Scientific Results

Localized structures formed through domain wall locking in cavity-enhanced second-harmonic generation

Year: 2020

Authors: Arabi C. M., Parra-Rivas P., Hansson T., Gelens L., Wabnitz S., Leo F.

Autors Affiliation: Univ Libre Bruxelles, OPERA Photon, 50 Ave FD Roosevelt,CP 194-5, B-1050 Brussels, Belgium; Univ Leuven, KU Leuven, Lab Dynam Biol Syst, Dept Cellular & Mol Med, B-3000 Leuven, Belgium; Linkoping Univ, Dept Phys Chem & Biol, SE-58183 Linkoping, Sweden; Sapienza Univ Rome, Dipartimento Ingn Informaz Elettron & Telecomunic, Via Eudossiana 18, I-00184 Rome, Italy; CNR INO, Ist Nazl Ott, Via Campi Flegrei 34, I-80078 Pozzuoli, NA, Italy; Novosibirsk State Univ, 1 Pirogova St, Novosibirsk 630090, Russia

Abstract: We analyze the formation of localized structures in cavity-enhanced second-harmonic generation. We focus on the phase-matched limit, and consider that fundamental and generated waves have opposite signs of group velocity dispersion. We show that these states form due to the locking of domain walls connecting two stable homogeneous states of the system, and undergo collapsed snaking. We study the impact of temporal walk-off on the stability and dynamics of these localized states. (C) 2020 Optical Society of America

Journal/Review: OPTICS LETTERS

Volume: 45 (30)      Pages from: 5856  to: 5859

KeyWords: FREQUENCY COMB GENERATION; SOLITONS
DOI: 10.1364/OL.399658

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