Engineered Dispersion Measurements in LiNbO3 Nanophotonic Wires

Halvor R. Fergestad,Wolfgang Hänsel, Arne Kordts,Alessandro Prencipe,Ronald Holzwarth,Katia Gallo

2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)（2023）

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摘要

Dispersion engineering of waveguides in photonic integrated circuits (PIC) is a crucial design tool for tailoring nonlinear functionalities in the rapidly emerging thin film LiNbO 3 (TFLN) platform, exemplified by frequency comb generation, soliton formation and broadband frequency conversion [1]. Experimentally, the dispersion of PIC structures is typically measured in terms of free-spectral range (FSR) variation in ring cavity configurations or propagation time delays in long waveguides under short pulse excitation [2], methods with their own limitations when it comes to measurements in straight and relatively short (更多

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关键词

broadband frequency conversion,crucial design tool,dispersion measurements,free-spectral range variation,frequency comb generation,LiNbO3nanophotonic wires,long waveguides,nonlinear functionalities,photonic integrated circuits,PIC structures,propagation time delays,ring cavity configurations,short pulse excitation,soliton formation,TFLN ones

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