Nonlinear refractive index of erbium-doped Y2O3 integrated-optical waveguides

Hoekstra, T.H. and Offrein, B.J. and Lambeck, P.V. and Popma, Th.J.A. (1993) Nonlinear refractive index of erbium-doped Y2O3 integrated-optical waveguides. Optics Letters, 18 (20). pp. 1718-1720. ISSN 0146-9592

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Abstract:	Self-induced phase modulation in erbium-doped polycrystalline Y203 integrated-optic waveguides is studied by use of a Mach-Zehnder interferometric setup. We determined the wavelength dispersion of the nonlinear refractive index near the 4F912 absorption band and show that it corresponds qualitatively with a Kramers-Kronig analysis. The nonlinear coefficient at 670 nm was determined to be 1.4 x 10-1' m2/W and has an electronic origin with a slow relaxation time of 6 ms.
Item Type:	Article
Copyright:	© 1993 Optical Society of America
Research Group:	Integrated Optical MicroSystems (IOMS)
Link to this item:	http://purl.utwente.nl/publications/71738
Official URL:	http://dx.doi.org/10.1364/OL.18.001718
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