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Controlled nonlinearity in femtosecond laser written waveguides

: Szameit, A.; Blömer, D.; Burghoff, J.; Peitsch, T.; Nolte, S.; Tünnermann, A.

	Neev, J. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.: Commercial and biomedical applications of ultrafast lasers VI : 22 - 25 January 2006, San Jose, California, USA Bellingham/Wash.: SPIE, 2006 (SPIE Proceedings Series 6108) ISBN: 0-8194-6150-4 Paper 61080V
	Conference "Commercial and Biomedical Applications of Ultrafast Lasers" <6, 2006, San Jose/Calif.>

	Englisch
	Konferenzbeitrag
	Fraunhofer IOF ()
	discrete system; integrated optic; nonlinear optics; ultrashort laser pulse

Abstract
We report on the investigation of the nonlinear refractive index in femtosecond laser written waveguide arrays in fused silica. The nonlinear refractive index is significantly reduced compared to the unmodified material. Due to the dependence of the processing parameters the effective nonlinearity in such waveguide structures can be tuned. This offers additional flexibility in the design of nonlinear devices.

: http://publica.fraunhofer.de/documents/N-46128.html