Zobrazeno 1 - 10
of 250
pro vyhledávání: '"Benjamin Damilano"'
Autor:
Qinghua Song, Arthur Baroni, Pin Chieh Wu, Sébastien Chenot, Virginie Brandli, Stéphane Vézian, Benjamin Damilano, Philippe de Mierry, Samira Khadir, Patrick Ferrand, Patrice Genevet
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-9 (2021)
Though multiplexing meta-holograms remains an attractive approach for realizing optical encoding, existing methods encode information based on the intensity of the holographic images. Here, the authors report vectorial metasurfaces that decouple and
Externí odkaz:
https://doaj.org/article/8ff8c49eebfc4f2ca97515ebe6a4ded8
Autor:
Qinghua Song, Arthur Baroni, Rajath Sawant, Peinan Ni, Virginie Brandli, Sébastien Chenot, Stéphane Vézian, Benjamin Damilano, Philippe de Mierry, Samira Khadir, Patrick Ferrand, Patrice Genevet
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-8 (2020)
Controlling light with planar elements requires full polarization channels and reconstruction of optical signals. Here, the authors have demonstrated a general method relying on pixelated metasurfaces that enables wavefront shaping with arbitrary out
Externí odkaz:
https://doaj.org/article/453415e54c4b4f15a87206b6f808da49
Autor:
Haoran Ren, Gauthier Briere, Xinyuan Fang, Peinan Ni, Rajath Sawant, Sébastien Héron, Sébastien Chenot, Stéphane Vézian, Benjamin Damilano, Virginie Brändli, Stefan A. Maier, Patrice Genevet
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-8 (2019)
Conventional hologram designs lack orbital angular momentum selectivity. Here, the authors design metasurface holograms consisting of GaN nanopillars with discrete spatial frequency distributions allowing the reconstruction of distinctive orbital ang
Externí odkaz:
https://doaj.org/article/8c0478d64e3748a9be62d441a1b84381
Autor:
Thi Huong Ngo, Bernard Gil, Tatiana V. Shubina, Benjamin Damilano, Stéphane Vezian, Pierre Valvin, Jean Massies
Publikováno v:
Scientific Reports, Vol 8, Iss 1, Pp 1-9 (2018)
Abstract We investigate the optical properties of porous GaN films of different porosities, focusing on the behaviors of the excitonic features in time-integrated and time-resolved photoluminescence. A substantial enhancement of both excitonic emissi
Externí odkaz:
https://doaj.org/article/6fb6501d0db34b0280442a5978ce5f1d
Publikováno v:
Reflets de la physique. :16-21
Les propriétés germicides des rayonnements ultraviolets (UV) suscitent un intérêt de plus en plus important dans les domaines d’applications stratégiques que sont l’environnement et la santé. Les diodes électroluminescentes (LEDs) semi-con
Autor:
Thi Huong Ngo, Rémi Comyn, Sébastien Chenot, Julien Brault, Maud Nemoz, Philippe Vennéguès, Benjamin Damilano, Stéphane Vézian, Eric Frayssinet, Flavien Cozette, Nicolas Defrance, François Lecourt, Nathalie Labat, Hassan Maher, Yvon Cordier
Publikováno v:
Journal of Crystal Growth
Journal of Crystal Growth, 2022, 593, pp.126779. ⟨10.1016/j.jcrysgro.2022.126779⟩
Journal of Crystal Growth, 2022, 593, pp.126779. ⟨10.1016/j.jcrysgro.2022.126779⟩
International audience; In the present study, the selective sublimation of the p-GaN cap layer of Al(Ga)N/GaN HEMTs is developed to replace the commonly used dry etching with no risk of damage in the barrier layer in order to fabricate enhanced mode
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e99464295d6e8d6fbdb725e1ac0d3f14
https://hal.science/hal-03741626
https://hal.science/hal-03741626
Autor:
Leszek Konczewicz, Sandrine Juillaguet, Marcin Zajac, Elzbieta Litwin-Staszewska, Mohamed Al Khalfioui, Mathieu Leroux, Benjamin Damilano, Julien Brault, Sylvie Contreras
Publikováno v:
physica status solidi (a). :2200769
Autor:
Christophe Largeron, Benjamin Damilano, Marc Portail, Eric Frayssinet, David Cooper, Virginie Brandli, Florian Faure, Daniel Turover, Guy Feuillet
Publikováno v:
Scientific Reports, Vol 10, Iss 1, Pp 1-8 (2020)
Scientific Reports
Scientific Reports, Nature Publishing Group, 2020, 10 (1), ⟨10.1038/s41598-020-76031-3⟩
Scientific Reports
Scientific Reports, Nature Publishing Group, 2020, 10 (1), ⟨10.1038/s41598-020-76031-3⟩
It is shown that substrate pixelisation before epitaxial growth can significantly impact the emission color of semiconductor heterostructures. The wavelength emission from InxGa1−xN/GaN quantum wells can be shifted from blue to yellow simply by red
Autor:
Nicolas Defrance, Thi Huong Ngo, Eric Frayssinet, Benjamin Damilano, Flavien Cozette, Rémi Comyn, Stéphane Vézian, Hassan Maher, Julien Brault, Nathalie Labat, F. Lecourt, Yvon Cordier, Sébastien Chenot
Publikováno v:
Solid-State Electronics
Solid-State Electronics, Elsevier, 2022, 188, pp.108210. ⟨10.1016/j.sse.2021.108210⟩
Solid-State Electronics, 2022, 188, pp.108210. ⟨10.1016/j.sse.2021.108210⟩
Solid-State Electronics, Elsevier, 2022, 188, pp.108210. ⟨10.1016/j.sse.2021.108210⟩
Solid-State Electronics, 2022, 188, pp.108210. ⟨10.1016/j.sse.2021.108210⟩
International audience; We report on the fabrication of an enhancement mode p-GaN/AlN/GaN high electron mobility transistor with selective area sublimation under vacuum of the p-GaN cap layer. The GaN evaporation selectivity is demonstrated on the th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f0dc6ed5afd72a29615ac084fc919dcf
https://hal.archives-ouvertes.fr/hal-03467546
https://hal.archives-ouvertes.fr/hal-03467546
Autor:
Thomas Frisch, Samuel Matta, Benjamin Damilano, Julien Brault, Jean Massies, Jean-Noël Aqua, Philippe Vennéguès, M. Korytov, Guido Schifani
Publikováno v:
ACS Applied Nano Materials
ACS Applied Nano Materials, American Chemical Society, 2020, 3 (5), pp.4054-4060. ⟨10.1021/acsanm.9b02546⟩
ACS Applied Nano Materials, American Chemical Society, 2020, 3 (5), pp.4054-4060. ⟨10.1021/acsanm.9b02546⟩
International audience; We exhibit both experimentally and theoretically a novel growth mode for the epi-taxy of AlGaN quantum dots (QD), where they are eventually produced without their usual surrounding wetting layer. If the generic evolution of QD