| 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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Sazio, Pier-John
University of Southampton
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (56/56 displayed)
- 2022Functionalised optical fiber devices for nonlinear photonics: from high harmonics generation to frequency comb
- 2020Enhancement of nonlinear functionality of step-index silica fibers combining thermal poling and 2D materials depositioncitations
- 2020Photonic glass ceramics based on SnO2 nanocrystals: advances and perspectivescitations
- 2020Photonic glass ceramics based on SnO2 nanocrystals: advances and perspectivescitations
- 2020Combining photocatalysis and optical fibre technology towards improved microreactor design for hydrogen generation with metallic nanoparticlescitations
- 2020SiO2-SnO2:Er3+ planar waveguides: highly photorefractive glass-ceramicscitations
- 2020SiO 2- SnO 2 :Er 3+ planar waveguides: highly photorefractive glass-ceramicscitations
- 2020Enhancing the nonlinear functionality of step-index silica fibers through the combination of thermal poling and 2D materialscitations
- 2020Incorporating metal organic frameworks within microstructured optical fibers toward scalable photoreactorscitations
- 2019SiO2-SnO2 transparent glass-ceramics activated by rare earth ionscitations
- 2019Impact of the electrical configuration on the thermal poling of optical fibres with embedded electrodes: Theory and experiments
- 2018Single is better than double: analysis of thermal poling configurations using 2D numerical modeling
- 2017Wafer scale spatially selective transfer of 2D materials and heterostructures
- 2017Wafer scale spatially selective transfer of 2D materials and heterostructures
- 2017Heterogeneous zeotype catalysts for the direct utilisation of CO2
- 2017A lift-off method for wafer scale hetero-structuring of 2D materials
- 2017Thermal poling of silica optical fibers using novel liquid electrodescitations
- 2017All-fiber sixth harmonic generation of deep UVcitations
- 2016Phase matched parametric amplification via four-wave mixing in optical microfiberscitations
- 2016Optical fiber poling by induction: analysis by 2D numerical modelingcitations
- 2016All-fiber fourth and fifth harmonic generation from a single sourcecitations
- 2015Templated growth of II-VI semiconductor optical fiber devices and steps towards infrared fiber lasers
- 2014Tunable anisotropic strain in laser crystallized silicon core optical fibers
- 2014Extreme electronic bandgap modification in laser-crystallized silicon optical fibrescitations
- 2013Templated chemically deposited semiconductor optical fiber materialscitations
- 2013Laser crystallisation of semiconductor core optical fibres
- 2013Laser crystallisation of semiconductor core optical fibres
- 2013Superfluid helium-4 in one dimensional channel
- 2012Conformal coating by high pressure chemical deposition for patterned microwires of II-VI semiconductorscitations
- 2012Integration of gigahertz-bandwidth semiconductor devices inside microstructured optical fibrescitations
- 2012Laser annealing of amorphous silicon core optical fiberscitations
- 2012Mid Infrared Transmistion Properties of ZnSe Microstructured Optical Fiberscitations
- 2012A magnifying fiber element with an array of sub-wavelength Ge/ZnSe pixel waveguides for infrared imagingcitations
- 2011High index contrast semiconductor ARROW and hybrid ARROW fiberscitations
- 2011Selective semiconductor filling of microstructured optical fiberscitations
- 2011Zinc selenide optical fiberscitations
- 2011ARROW guiding silicon photonic crystal fibres
- 2010Integration of semiconductors molecules and metals into microstructured optical fibers
- 2009Electrodeposition of metals from supercritical fluidscitations
- 2008Fusion of transparent semiconductors and microstructured optical fibers via high-pressure microfluidic chemical deposition
- 2008Microstructured optical fibers embedded with semiconductors and metals: a potential route to fiberized metamaterials
- 2008Endoscopic fiber: microfluidic chemical deposition moves optical fiber to the nanoscale
- 2008Flexible semi-conductor devices in microstructured optical fibers for integrated optoelectronics
- 2008Loss measurements of microstructured optical fibres with metal-nanoparticle inclusionscitations
- 2008Single-crystal semiconductor wires integrated into microstructured optical fiberscitations
- 2008Silver nanoparticle impregnated polycarbonate substrates for surface enhanced Raman spectroscopycitations
- 2007Integrated optoelectronics in an optical fiber
- 2007Deposition of electronic and plasmonic materials inside microstructured optical fibres
- 2007Highly efficient SERS inside microstructured optical fibres via optical mode engineering
- 2006Microstructured optical fibers as high-pressure microfluidic reactorscitations
- 2006Surface enhanced Raman scattering using metal modified microstructured optical fiber substratescitations
- 2006Surface enhanced Raman scattering using metal modified microstructured optical fibre substrates
- 2006Building semiconductor structures in optical fiber
- 2005Microstructured optical fibres semiconductor metamaterials
- 2005Microstructured optical fibre semiconductor metamaterials
- 2005Fabrication of extreme aspect ratio wires within photonic crystal fibers
Places of action
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document
Impact of the electrical configuration on the thermal poling of optical fibres with embedded electrodes: Theory and experiments
Abstract
Thermal poling of optical fibres is a well-known technique to create second order nonlinearity inside silica optical fibres, otherwise characterized by negligible nonlinear properties in the electric dipole approximation. Some recent work, realized by F. De Lucia <i>et al</i>., has introduced a new technique, designated as 'Induction poling' [1] and with the adoption of liquid materials as embedded electrodes (both metallic and non-metallic) [2], allows thermal poling of optical fibres with any length and geometry. Despite these advances, thermal poling still represents a technological challenge that needs to be continuously optimized and simplified. In this work we focus our attention on the optimization of the electrical configuration of thermal poling of single mode optical fibres. We consider the single-anode (S-A) configuration, where a single electrode is embedded inside one of the two cladding channels of the optical fibre and connected to the desired electrical potential, and the double-anode (D-A) configuration, introduced for the first time by W. Margulis et al. in 2009 [3] and later commonly adopted by the scientific community. Fig. 1(a) shows the dependence (numerically calculated with COMSOL Multiphysics) of the χ<sup>(2)</sup><sub>eff</sub> on the poling duration for both electrode configurations and at two different positions. The key result of these simulations is that the final value (for extended poling times) of the χ<sup>(2)</sup><sub>eff</sub> in S-A configuration is approximately double with respect to the one obtained in the D-A approach. Furthermore, the value at the centre of the fibre is almost zero in D-A configuration. We hypothesize that this behaviour arises from the mutually competitive evolution of the space-charge formation due to the presence of two anodes. In contrast, the S-A configuration does not suffer from this limitation. Experimentally for the first time the χ<sup>(2)</sup><sub>eff</sub> was measured in a process of second harmonic generation (SHG) at 1550 nm in a fibre periodically poled in S-A configuration. The nonlinearity has been periodically erased via exposure to a UV light generated by a frequency doubled Argon-ion laser (CW, 244 nm). Fig. 1(c) shows the spectrum of the SHG light.