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Opt Lett. 1999 Aug 15;24(16):1145-7.

Second-harmonic generation in waveguides induced by photorefractive spatial solitons.

Abstract

We demonstrate experimentally second-harmonic generation in waveguides induced by photorefractive solitons and show that the conversion efficiency is improved considerably. These induced waveguides are flexible and can be generated in any crystalline direction that allows soliton formation, and thus offer broad tunability (by rotation of the crystal), which cannot exist in fabricated waveguides.

PMID:
18073967
DOI:
10.1364/ol.24.001145

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