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Crystals 2019, 9(2), 79; https://doi.org/10.3390/cryst9020079

Liquid-Phase Epitaxial Growth and Characterization of Nd:YAl3(BO3)4 Optical Waveguides

MQ Photonics, Department of Physics and Astronomy, Macquarie University, 2109 Sydney, Australia
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Received: 16 December 2018 / Revised: 25 January 2019 / Accepted: 28 January 2019 / Published: 1 February 2019
(This article belongs to the Special Issue Crystal Growth of Multifunctional Borates and Related Materials)
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Abstract

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. View Full-Text
Keywords: thin film crystal growth; epitaxial layer growth; multifunctional borate crystals; planar optical waveguides thin film crystal growth; epitaxial layer growth; multifunctional borate crystals; planar optical waveguides
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Lu, Y.; Dekker, P.; Dawes, J.M. Liquid-Phase Epitaxial Growth and Characterization of Nd:YAl3(BO3)4 Optical Waveguides. Crystals 2019, 9, 79.

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