Femtosecond single-beam direct laser poling of stable and efficient second-order nonlinear optical properties in glass

We depict a new approach for the localized creation in three dimensions (3D) of a highly demanded nonlinear optical function for integrated optics, namely second harmonic generation. We report on the nonlinear optical characteristics induced by single-beam femtosecond direct laser writing in a tailo...

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Bibliographic Details
Published in:Journal of applied physics 2014-03, Vol.115 (11)
Main Authors: Papon, G., Marquestaut, N., Petit, Y., Royon, A., Dussauze, M., Rodriguez, V., Cardinal, T., Canioni, L.
Format: Article
Language:English
Subjects:
Applied physics
Chemical Sciences
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Deoxidizing
Direct laser writing
ELECTRIC FIELDS
Glass transition temperature
HARMONIC GENERATION
Integrated optics
Laser beams
LASER RADIATION
Lasers
LIMITING VALUES
Material chemistry
Nonlinear optics
NONLINEAR PROBLEMS
OPTICAL PROPERTIES
OPTICS
PHOSPHATE GLASS
Photonics
Second harmonic generation
SILVER
SPATIAL DISTRIBUTION
TRANSITION TEMPERATURE
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Summary:We depict a new approach for the localized creation in three dimensions (3D) of a highly demanded nonlinear optical function for integrated optics, namely second harmonic generation. We report on the nonlinear optical characteristics induced by single-beam femtosecond direct laser writing in a tailored silver-containing phosphate glass. The original spatial distribution of the nonlinear pattern, composed of four lines after one single laser writing translation, is observed and modeled with success, demonstrating the electric field induced origin of the second harmonic generation. These efficient second-order nonlinear structures (with χeff(2) ∼ 0.6 pm V−1) with sub-micron scale are impressively stable under thermal constraint up to glass transition temperature, which makes them very promising for new photonic applications, especially when 3D nonlinear architectures are desired.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.4869058