EPJ Web of Conferences (Jan 2023)

Second harmonic generation in modal phase-matched AlGaAs-on-insulator waveguides

  • Lu Xinda,
  • Zheng Yi,
  • Ye Chaochao,
  • Yvind Kresten,
  • Pu Minhao

DOI
https://doi.org/10.1051/epjconf/202328706006
Journal volume & issue
Vol. 287
p. 06006

Abstract

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We utilize modal phase matching and type-I configuration to achieve second harmonic generation in AlGaAs-on-insulator waveguides. We demonstrate an overall normalized conversion efficiency of 200% W-1 cm-2 at a pump wavelength of 1587 nm in a 1-mm-long waveguide.