Asimakis, S.Petropoulos, P.Ebendorff-Heidepriem, H.Leong, J.Finazzi, V.Koizumi, F.Frampton, K.Moore, R.Monro, T.Richardson, D.2008-03-262008-03-262005Report on Winter School on “Core Network Technologies”, Aveiro, Portugal, 23-25 Feb 2005:www1-www4http://hdl.handle.net/2440/41370We report on recent development in the fabrication and characterization of small-core lead-silicate and bismuth-oxide glass holey fibers. These fibers exhibit an effective nonlinearity three orders of magnitude higher than standard silica fibers, offering the prospect of compact, nonlinear devices operating at low powers.en© 2005 University of Southampton. Optoelectronics Research CentreConference paper00200763062008032614251845011Ebendorff-Heidepriem, H. [0000-0002-4877-7770]