| 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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Vallet, Maxime
CentraleSupélec
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (27/27 displayed)
- 2024Ferroelectric texture of individual barium titanate nanocrystalscitations
- 2024Sub-millisecond electric field sensing with an individual rare-earth doped ferroelectric nanocrystal
- 2024Correlated IR-SEM-TEM studies of three different grains from Ryugu: From the initial material to post-accretional processescitations
- 2024Influence of arylalkyl amines on the formation of hybrid CsPbBr 3 nanocrystals via a modified LARP method
- 2024Silicon mediated twin formation in laser direct energy deposited 316L stainless steel ; Formation de macles médiées par le silicium dans l'acier inoxydable 316L fabriqué par dépôt d'énergie dirigé
- 2024Post-process lasering improves strength-ductility tradeoff and fatigue limit of additively manufactured stainless steels ; Le lasage post-processus améliore le compromis résistance-ductilité et la limite de fatigue des aciers inoxydables fabriqués de manière additive
- 2024Altering microstructure and enhancing mechanical properties during direct energy deposition of Ti-6Al-4V via in-process laser heat treatments ; Modification de la microstructure et amélioration des propriétés mécaniques lors du dépôt direct d'énergie de Ti-6Al-4V par des traitements thermiques au laser en cours de fabrication
- 2024Crystalline / glass nanoscale chemical separation induced by femtosecond laser pulses in aluminosilicate glasscitations
- 2023Liquid metal induced fracture : modelling and supporting experiments
- 2023Liquid metal induced fracture : modelling and supporting experiments
- 2023Heterogeneity in tribologically transformed structure (TTS) of Ti–6Al–4V under frettingcitations
- 2023Effect of the liquid metal on the plastic deformation and on the fracture of metallic alloys: copper and α-brasses in presence of In-Ga eutectic
- 2022Features of a nano-twist phase in the nanolayered Ti3AlC2 MAX phasecitations
- 2022Features of a nano-twist phase in the nanolayered Ti3AlC2 MAX phasecitations
- 2022Thermal and Electron Plasma Effects on Phase Separation Dynamics Induced by Ultrashort Laser Pulsescitations
- 2021Frank partial dislocation in Ti2AlC-MAX phase induced by matrix-Cu diffusioncitations
- 2020On the charge transport mechanisms in Ge-rich GeSbTe alloyscitations
- 2019Chemical phase segregation during the crystallization of Ge-rich GeSbTe alloyscitations
- 2018A universal mechanism to describe the III-V on Si growth by Molecular Beam Epitaxy
- 2018A universal mechanism to describe the III-V on Si growth by Molecular Beam Epitaxy
- 2017Second harmonic generation in gallium phosphide microdisks on silicon: from strict $bar{4}$ to random quasi-phase matchingcitations
- 2016Impact of crystal antiphase boundaries on second harmonic generation in GaP microdisks
- 2016X-ray Coherent Scattering on GaP/Si for III-V Monolithic Integration on Silicon
- 20163D GaP/Si(001) growth mode and antiphase boundaries
- 2014Enhancement of Photoacoustic Imaging Quality by Using cMUT Technology: Experimental Studycitations
- 2014In situ growth and coalescence of He-filled bi-dimensional defects in Si by H supplycitations
- 2014Étude des défauts bidimensionnels à base d'hélium dans le silicium - Application au transfert de films minces ; Study of helium-based planar defects in silicon - Application to the transfer of thin films
Places of action
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article
Second harmonic generation in gallium phosphide microdisks on silicon: from strict $bar{4}$ to random quasi-phase matching
Abstract
The convergence of nonlinear optical devices and silicon photonics is a key milestone for the practical development of photonic integrated circuits. The associated technological issues often stem from material incompatibility. This is the case of second order nonlinear processes in monolithically integrated III-V semiconductor devices on silicon, where structural defects called antiphase domains strongly impact the optical properties of the material. We theoretically investigate the influence of antiphase domains on second harmonic generation in III-V whispering gallery mode microresonators on silicon and focus on the effects of the antiphase domains’ mean size (i.e. the correlation length of the distribution). We demonstrate that the domain distributions can have opposite effects depending on the nonlinear process under consideration: while antiphase domains negatively impact second harmonic generation under ¯4 quasi-phase matching conditions (independent of the correlation length), large conversion efficiencies can arise far from ¯4-quasi-phase matching provided that the APD correlation length remains within an appropriate range, and is still compatible with the spontaneous emergence of such defects in the usual III-V on Si epilayers. Such a build-up can be explained by the occurrence of random quasi-phase matching in the system.