Liquid-phase epitaxial growth and characterization of Nd:YAl3(BO3)4 optical waveguides

Yi Lu, Peter Dekker, Judith M. Dawes*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)
22 Downloads (Pure)


We investigated the fabrication of neodymium doped thin film optical waveguide-based devices as potential active sources for planar integrated optics. Liquid-phase epitaxial growth was used to fabricate neodymium-doped yttrium aluminum borate films on compatible lattice-matched, un-doped yttrium aluminum borate substrates. We observed the refractive index contrast of the doped and un-doped crystal layers via differential interference contrast microscopy. In addition, characterization by X-ray powder diffraction, optical absorption and luminescence spectra demonstrated the crystal quality, uniformity and optical guiding of the resulting thin films.

Original languageEnglish
Article number79
Pages (from-to)1-9
Number of pages9
Issue number2
Publication statusPublished - 1 Feb 2019


  • Epitaxial layer growth
  • Multifunctional borate crystals
  • Planar optical waveguides
  • Thin film crystal growth


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