| 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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Richardson, David J.
University of Southampton
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (35/35 displayed)
- 2024Double-clad antiresonant hollow-core fiber and its comparison with other fibers for multiphoton micro-endoscopycitations
- 2024Double-clad antiresonant hollow-core fiber and its comparison with other fibers for multiphoton micro-endoscopycitations
- 2023Optical time domain reflectometry for hollow core optical fibres
- 2023Loss in hollow-core fibers: mechanisms, scaling rules, and limitscitations
- 2021Hollow-core-fiber delivery of broadband mid-infrared light for remote multi-species spectroscopy
- 2021Gas-induced differential refractive index enhanced guidance in hollow-core optical fiberscitations
- 2021Compact chirped-pulse amplification systems based on highly Tm3+ doped germanate fibercitations
- 2021Bi-doped fiber amplifiers for ultra-wideband optical communication systemscitations
- 2020Extruded tellurite antiresonant hollow core fiber for mid-IR operationcitations
- 2020Ultra-low NA step-index large mode area Yb-doped fiber with a germanium doped cladding for high power pulse amplificationcitations
- 2019Highly efficient Tm3+ doped germanate large mode area single mode fiber lasercitations
- 2019Ultra-short wavelength operation of thulium doped fiber amplifiers and laserscitations
- 2018Novel fiber design for wideband conversion and amplification in multimode fiberscitations
- 2017Elliptical core few mode fibers for multiple-input multiple output-free space division multiplexing transmissioncitations
- 2017Merging metamaterial and optical fiber technologies
- 2017Fibre-coupled photonic metadevices
- 2015MicroStructure Element Method (MSEM): viscous flow model for the virtual draw of microstructured optical fiberscitations
- 2015Accurate modelling of fabricated hollow-core photonic bandgap fiberscitations
- 2015Anti-resonant hexagram hollow core fiberscitations
- 2014X-ray tomography for structural analysis of microstructured and multimaterial optical fibers and preformscitations
- 20111.06 µm picosecond pulsed, normal dispersion pumping for generating efficient broadband infrared supercontinuum in meter-length single-mode tellurite holey fiber with high Raman gain coefficientcitations
- 2010Dispersion controlled highly nonlinear fibers for all optical processing at telecoms wavelengthscitations
- 2010Near-zero dispersion, highly nonlinear lead-silicate W-type fiber for applications at 1.55µmcitations
- 2010Efficient near-infrared supercontinuum generation in tellurite holey fiber pumped 320nm within the normal dispersion regime
- 2009Optical fiber nanowires and microwires: fabrication and applicationscitations
- 2009Dispersion-shifted all-solid high index-contrast microstructured optical fiber for nonlinear applications at 1.55µmcitations
- 2009Four-wave mixing-based wavelength conversion in a short-length of a solid 1D microstructured fibre
- 2008Developing single-mode tellurite glass holey fiber for infrared nonlinear applications
- 2008Single-mode tellurite glass holey fiber with extremely large mode area for infrared nonlinear applicationscitations
- 2007RGB generation by four-wave mixing in small-core holey fibers
- 2006Non-silica microstructured optical fibers for mid-IR supercontinuum generation from 2 µm - 5 µmcitations
- 2006Optimisation of cascaded Yb fiber amplifier chains using numerical-modellingcitations
- 2004Recent advances in high power fiber lasers
- 2003Fiber lasers: flexible and functional solutions for today and the future
- 2002Synchronously pumped optical parametric oscillator driven by a femtosecond mode-locked fibre lasercitations
Places of action
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article
Optimisation of cascaded Yb fiber amplifier chains using numerical-modelling
Abstract
We show that it is possible to adapt existing software packages developed originally for modeling telecommunication devices and systems to reliably predict and optimize the performance of high-power Ytterbium doped fiber amplifier and laser systems. The ready availability of a flexible, user-friendly design tool should be of considerable practical interest to scientists and engineers working with this important new laser technology since Ytterbium amplifier and amplifier cascades are often difficult to optimize experimentally due to the three-level nature of the Ytterbium laser transition. As examples of the utility and accuracy of the software, as well as the complexity of the systems and amplifier properties that can be successfully modeled, we present a comparison of experimental and theoretical results for individual core and cladding pumped amplifiers, and also for an ultra-short pulse four-stage amplifier system optimized both to provide a broad gain bandwidth and to minimize nonlinear effects. We also show how high energy 100 ns pulses with complex user definable temporal profiles can be created in a gain-saturated amplifier by suitable pre-shaping of the low-energy input pulses. Furthermore, with appropriate modifications the same software package can be applied to fiber amplifiers based on other rare-earth elements and glass hosts.