Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Degert Jérôme"'
Publikováno v:
Journal of the European Optical Society-Rapid Publications, Vol 20, Iss 2, p 39 (2024)
We investigated the far-field terahertz beam profile generated from an air plasma induced by two-color femtosecond laser pulses. Under our experimental conditions (filament length shorter than the dephasing length between the two-color pulses), using
Externí odkaz:
https://doaj.org/article/8de3f170bcaf43eb973b9d190903db18
Autor:
Kumar, Sunil, Singh, Arvind, Nivedan, Anand, Kumar, Sandeep, Yun, Seok Joon, Lee, Young Hee, Tondusson, Marc, Degert, Jérôme, Oberle, Jean, Freysz, Eric
Publikováno v:
Nano Select (2021)
Monolayers of transition metal dichalcogenides are semiconducting materials which offer many prospects in optoelectronics. A monolayer of molybdenum disulfide (MoS2) has a direct bandgap of 1.88 eV. Hence, when excited with optical photon energies be
Externí odkaz:
http://arxiv.org/abs/2103.11101
Autor:
Kumar, Sunil, Singh, Arvind, Kumar, Sandeep, Nivedan, Anand, Tondusson, Marc, Degert, Jerome, Oberle, Jean, Yun, Seok Joon, Lee, Young Hee, Freysz, Eric
Publikováno v:
Optics Express (2021)
THz conductivity of large area MoS2 and MoSe2 monolayers as well as their vertical heterostructure, MoSe2MoS2 is measured in the 0.3-5 THz frequency range. Compared to the monolayers, the ultrafast THz reflectivity of the MoSe2MoS2 heterobilayer is e
Externí odkaz:
http://arxiv.org/abs/2012.10096
Autor:
Hamouda, Amine, Dutin, Fredéric, Degert, Jerome, Tondusson, Marc, Naïm, Ahmad, Rosa, Patrick, Freysz, Eric
Photo-switching the physical properties of molecular systems opens large possibilities for driving materials far from equilibrium toward new states. Moreover, ultra-short pulses of light make it possible to induce and to record photo-switching on a v
Externí odkaz:
http://arxiv.org/abs/1910.00259
Autor:
Zamith, Sebastien, Degert, Jerome, Stock, Sabine, de Beauvoir, Beatrice, Blanchet, Valerie, Bouchene, M. Aziz, Girard, Bertrand
The effects of Coherent excitation of a two level system with a linearly chirped pulse are studied theoretically and experimentally (in Rb (5s - 5p)) in the low field regime. The Coherent Transients are measured directly on the excited state populati
Externí odkaz:
http://arxiv.org/abs/physics/0105032
Publikováno v:
In Chemical Physics Letters 16 November 2015 641:14-19
Autor:
Kumar, Sunil, Singh, Arvind, Nivedan, Anand, Kumar, Sandeep, Tondusson, Marc, Degert, Jérôme, Oberle, Jean, SEOK JOON YUN, Lee, Young Hee, FREYSZ, Eric
supplemantary information
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5354bb0abd3a9587025ce424e72ca494
Autor:
Seok, Joon, Young, Hee, Kumar, Sunil, Singh, Arvind, Nivedan, Anand, Kumar, Sandeep, Tondusson, Marc, Degert, Jérôme, Oberlé, Jean, Yun, Seok Joon, Lee, Young Hee, Freysz, Eric
Publikováno v:
Optics Express
Optics Express, Optical Society of America-OSA Publishing, In press, ⟨10.1364/OE.412548⟩
Optics Express, Optical Society of America-OSA Publishing, In press, ⟨10.1364/OE.412548⟩
International audience; THz conductivity of large area MoS2 and MoSe2 monolayers as well as their vertical heterostructure, MoSe2MoS2 is measured in the 0.3-5 THz frequency range. Compared to the monolayers, the ultrafast THz reflectivity of the MoSe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2592::af65bb571985aef4dad6b96a0eedabfe
https://hal.archives-ouvertes.fr/hal-03095040/file/MS_OE_VF.pdf
https://hal.archives-ouvertes.fr/hal-03095040/file/MS_OE_VF.pdf
Autor:
Christian Buhl Sørensen, Sørensen, Christian Buhl, Guiramand, Léo, Degert, Jérôme, Tondusson, Marc, Skovsen, Esben, Freysz, Eric, Abraham, Emmanuel
Publikováno v:
Optics Letters
Optics Letters, Optical Society of America-OSA Publishing, 2020, 45 (7), pp.2132. ⟨10.1364/OL.390112⟩
Sørensen, C B, Guiramand, L, Degert, J, Tondusson, M, Skovsen, E, Freysz, E & Emmanuel, A 2020, ' Conical versus Gaussian terahertz emission from two-color laser-induced air plasma filaments ', Optics Letters, vol. 45, no. 7, pp. 2132-2135 . https://doi.org/10.1364/OL.390112
BASE-Bielefeld Academic Search Engine
Optics Letters, Optical Society of America-OSA Publishing, 2020, 45 (7), pp.2132. ⟨10.1364/OL.390112⟩
Sørensen, C B, Guiramand, L, Degert, J, Tondusson, M, Skovsen, E, Freysz, E & Emmanuel, A 2020, ' Conical versus Gaussian terahertz emission from two-color laser-induced air plasma filaments ', Optics Letters, vol. 45, no. 7, pp. 2132-2135 . https://doi.org/10.1364/OL.390112
BASE-Bielefeld Academic Search Engine
In this Letter, we demonstrate that the far-field terahertz (THz) beam generated from a Ti:Sapphire two-color laser-induced filament can exhibit a conical or Gaussian distribution, depending on the filtering experimental conditions. Using both an inc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::584e003d4743a261e569b0e6d8c4afb2
https://hal.archives-ouvertes.fr/hal-03065559/document
https://hal.archives-ouvertes.fr/hal-03065559/document
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