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Second Harmonic Generation and \({\varvec{\upchi}}\) (2) Cascading in Periodically Poled MgO:LiNbO3 Photonic Wires

  • 会议论文

  • 发表日期：

    2024年

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  • Halvor R. Fergestad,
  • Daiheng Fu,
  • Muhammed Alqedra,
  • Kore Hasse,
  • Detlef Kip,
  • Val Zwiller,
  • Katia Gallo

摘要

We study second harmonic generation in LiNbO3 nanowaveguides, operated with sub-pJ pulses at 1424 nm in the picosecond regime generating 0.5 \(\upmu \) W at 712 nm. Spectra recorded at both wavelengths provide evidence for enhanced χ(2) cascading effects.