Grzegorz Stępniewski

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We respond to the comment submitted by Xian Feng on our recent Letter, Opt. Lett.38, 4679 (2013). The comment addressed the attenuation of our oxide tellurite glass labeled TWPN/I/6. We provide the originally measured absorbance spectrum of the glass and correct values of its mid-infrared attenuation.
We present a new approach for the development of structured optical fibers. It is shown that fibers having an effective gradient index profile with designed refractive index distribution can be developed with internal nanostructuring of the core composed of two glasses. As proof-of-concept, fibers made of two soft glasses with a parabolic gradient index(More)
We have developed thermally stable borosilicate glass for joint thermal processing with in-house synthesized highly nonlinear lead-bismuth-gallium-silicate glass PBG081. Presented pair of glasses is suitable for fabricating all-solid photonic crystal fibers, with high contrast of refractive index at level of 0.42 at 589.3nm. The difference in thermal(More)
The NIR and mid IR supercontinuum generation in photonic crystal fibres are attractive light sources for sensing and spectroscopy applications, since it provides a high brightness, good beam quality source and can be offered as a compact, ready-to-use device. Most of the research work related to supercontinuum generation in photonic crystal fibres has to(More)
We present a numerical study of the dispersion characteristic modification of nonlinear photonic crystal fibers infiltrated with liquids. A photonic crystal fiber based on the soft glass PBG-08, infiltrated with 17 different organic solvents, is proposed. The glass has a light transmission window in the visible-mid-IR range of 0.4-5 μm and has a higher(More)
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