| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Rottwitt, Karsten
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2018Analytic description of four-wave mixing in silicon-on-insulator waveguidescitations
- 2017Study of Raman-free photon pair generation using inter-modal four-wave mixing in a few-mode silica fiber
- 2017Effects of Raman scattering and attenuation in silica fiber-based parametric frequency conversioncitations
- 2017Effects of noninstantaneous nonlinear processes on photon-pair generation by spontaneous four-wave mixingcitations
- 2012High-Energy Four-Wave Mixing, with Large-Mode-Area Higher-Order Modes in Optical Fibres
- 2009Measurement and modeling of low-wavelength losses in silica fibers and their impact at communication Wavelengthscitations
- 2008730-nm optical parametric conversion from near- to short-wave infrared bandcitations
- 2008Ge nanoclusters in PECVD-deposited glass caused only by heat treatmentcitations
- 2008Low Wavelength Loss of Germanium Doped Silica Fiberscitations
- 2007Ge nanoclusters in PECVD-deposited glass after heat treating and electron irradiationcitations
- 2004GE NANOCLUSTERS IN PLANAR GLASS WAVEGUIDES DEPOSITED BY PECVD
- 2003Sub-micrometer waveguide for nano-optics
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document
GE NANOCLUSTERS IN PLANAR GLASS WAVEGUIDES DEPOSITED BY PECVD
Abstract
Germanium (Ge) has been widely used as the dopant in the core layer of planar glass waveguides to increase the refractive index because it gives a small propagation loss. Plasma enhanced chemical vapour deposition (PECVD) and flame hydrolysis deposition (FHD) are two main material deposition methods for waveguide components. For the first time to our best knowledge, this paper reports the formation of Ge nanoclusters in glass thin films deposited by using PECVD. Ge nanoclusters in glass have been demonstrated to have great potential for application to the nonlinear waveguide components. In this work we study the size and distribution of the nanoclusters by transmission electron microscopy (TEM) and Raman spectroscopy. The formation of the clusters is investigated by varying the Ge concentration in the glass and changing the annealing conditions such as temperature, atmosphere and time.The combined effect of a strong nonlinear glass material and a material platform that is well known from standard planar lightwave components makes this Ge nanoclusters material very promising for optical nonlinear waveguide components that are readily fabricated by using the same processing as standard waveguide components.