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Proceedings Paper

Proton exchanged waveguides in LiNbO3 characterization and design methodology
Author(s): José Manuel Marques Martins de Almeida; António Manuel Pais Pereira Leite
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Paper Abstract

The purpose of this work was to develop a design methodology for the fabrication of proton exchanged channel waveguides in LiNbO3 operating in the singlemode regime at several wavelengths, with specifice characteristics required to optimize integrated devices. To achieve this, it is necessary to obtain the relations between the optical characteristics of the waveguides and their repective fabrication conditions, and to introduce models of the waveguide formation process. The relations between fabrication conditions and optical characteristics of planar waveguides realized by proton exchange in benzoic acid are documented extensively in the literature. However, reports on the characterization of waveguide fabrication processes, performed in a systematic way, could not be found, resulting in the need to combine information from several sources. Discrepancies among results from different researches are evident, resulting from different experimental methodologies and calibration of equipment. Therefore, aiming at extracting a consistent data set, optical characterization techniques of the refractive index profile were employed to study series of samples.

Paper Details

Date Published: 24 February 2006
PDF: 12 pages
Proc. SPIE 6123, Integrated Optics: Devices, Materials, and Technologies X, 612319 (24 February 2006); doi: 10.1117/12.646088
Show Author Affiliations
José Manuel Marques Martins de Almeida, Univ. de Trás-os-Montes e Alto Douro (Portugal)
António Manuel Pais Pereira Leite, Univ. do Porto (Portugal)


Published in SPIE Proceedings Vol. 6123:
Integrated Optics: Devices, Materials, and Technologies X
Yakov Sidorin; Christoph A. Waechter, Editor(s)

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