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Proceedings Paper

Second order optical nonlinearities in thermally poled phosphate glasses
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Paper Abstract

Second order optical nonlinearities were induced in commercial phosphate glasses (Schott, IOG-1) by the thermal poling technique. The induced χ(2) was measured via second harmonic generation using a fundamental beam from a 1064 nm mode-locked Nd:YAG laser. The nonlinear regions were characterized using the Maker-Fringe technique, in which the second harmonic signals were observed as a function of incident angle of the fundamental beam. The results show that the χ(2) profile has contributions from two distinct regions: a near-anodic surface region and a bulk. We have modeled the induced profile to fit our experimental results. The dependence of the induced nonlinearity on applied poling fields, temperatures and poling time is discussed.

Paper Details

Date Published: 18 June 2002
PDF: 8 pages
Proc. SPIE 4640, Integrated Optics: Devices, Materials, and Technologies VI, (18 June 2002); doi: 10.1117/12.431590
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Published in SPIE Proceedings Vol. 4640:
Integrated Optics: Devices, Materials, and Technologies VI
Yakov S. Sidorin; Ari Tervonen, Editor(s)

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