Writing and probing light-induced waveguides thanks to an endlessly single-mode photonic crystal fiber |
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Authors: | Kien Phan Huy Jassem Safioui Blandine Guichardaz Fabrice Devaux Mathieu Chauvet |
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Affiliation: | Département d’Optique P.M. Duffieux, Institut FEMTO—ST, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 6174, Université de Franche-Comté, F-25030 Besan?on, France. kphanhuy@univ‐fcomte.fr |
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Abstract: | We demonstrate writing and probing of light-induced waveguides in photorefractive bulk LiNbO3 crystal using an endlessly single-mode photonic crystal fiber. The optical waveguides are written at visible wavelengths by slightly raising the ferroelectric crystal temperature to benefit from the pyroelectric-driven photorefractive effect and the guiding properties are investigated at telecom wavelengths using the same photonic crystal fiber. End butt coupling with this photonic crystal fiber enables writing and probing of optical waveguides due to the self-alignment properties of spatial solitons. |
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