Broadband frequency generation by four-wave mixing in an all-bands-flat Floquet-Lieb topological insulator

All-bands-flat topological photonic insulators are photonic lattices with all dispersionless bulk bands separated by nontrivial bandgaps. A distinct feature of these systems is that the edge modes can be excited across the flatband frequencies without scattering into the localized bulk modes, thus a...

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Veröffentlicht in:	Optics letters 2024-02, Vol.49 (3), p.634-637
Hauptverfasser:	Kim, Tae Bin, Song, Hanfa, Huculak, Parker, Van, Vien
Format:	Artikel
Sprache:	eng
Schlagworte:	Broadband Couplings Energy gap Four-wave mixing Lattice vibration Lattices Photonics Raman spectra Solitary waves Topological insulators
Online-Zugang:	Volltext
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