Journal
OPTICS LETTERS
Volume 39, Issue 6, Pages 1657-1660Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.39.001657
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Funding
- Peter Brojde Center for Innovative Engineering
- SUPERCONTINUUM Sapienza project
- [PHOCOS-RBFR08E7VA]
- [PRIN 2012BFNWZ2]
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We study the formation of 2D self-trapped beams in nanodisordered potassium-sodium-tantalate-niobate (KNTN) cooled below the dynamic glass transition. Supercooling is shown to accelerate the photorefractive response and enhance steady-state anisotropy. Effects in the excited state are attributed to the anomalous slim-loop polarization curve typical of relaxors dominated by non-interacting polar-nano-regions. (C) 2014 Optical Society of America
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