Zobrazeno 1 - 10 of 66 pro vyhledávání: '"Alexandre Garreau"'
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Akademický článek
Intraspecific diversity loss in a predator species alters prey community structure and ecosystem functions.
Autor: Allan Raffard, Julien Cucherousset, José M Montoya, Murielle Richard, Samson Acoca-Pidolle, Camille Poésy, Alexandre Garreau, Frédéric Santoul, Simon Blanchet
Publikováno v: PLoS Biology, Vol 19, Iss 3, p e3001145 (2021)
Loss in intraspecific diversity can alter ecosystem functions, but the underlying mechanisms are still elusive, and intraspecific biodiversity-ecosystem function (iBEF) relationships have been restrained to primary producers. Here, we manipulated gen
Externí odkaz: https://doaj.org/article/8b5a9acde2ee47be88121a01a08c0250
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4
Modulation of a High Power Semiconductor Optical Amplifier for Free Space Communications
Autor: Frederic van Dijk, Jean-Francois Paret, Catherine Fortin, Alexandre Garreau, Karim Mekhazni, Romain Brenot, Carmen Gomez, Cecil Pham, Francois Duport
Publikováno v: Journal of Lightwave Technology. 38:1836-1843
High power Semiconductor Optical Amplifiers (SOA) are often integrated in optical systems such as mode locked lasers, hybrid, or monolithically integrated Master Oscillator Power Amplifiers (MOPA) for applications such as LIDAR systems or free space
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4fdbdd23c2d671748d21f10912ddaf92
https://doi.org/10.1109/jlt.2019.2959399
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5
Phytoplankton biodiversity is more important for ecosystem functioning in highly variable thermal environments
Autor: Soraya Alvarez Codesal, Samuel Barton, Elvire Bestion, Alexandre Garreau, Michèle Huet, José M. Montoya, Bart Haegeman
Publikováno v: Proc Natl Acad Sci U S A
Proceedings of the National Academy of Sciences of the United States of America
Proceedings of the National Academy of Sciences of the United States of America, National Academy of Sciences, 2021, 118 (35), pp.e2019591118. ⟨10.1073/pnas.2019591118⟩
Proceedings of the National Academy of Sciences
International audience; The 21st century has seen an acceleration of anthropogenic climate change and biodiversity loss, with both stressors deemed to affect ecosystem functioning. However, we know little about the interactive effects of both stresso
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a9b9a6f39f84dacf308588b215643fe
https://pubmed.ncbi.nlm.nih.gov/34446547
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6
The life of a plastic butter tub in riverine environments
Autor: Astrid E. Delorme, Erwan Roussel, Vincent Verney, Alexandre Garreau, Olivier Voldoire, Jean-Luc Peiry, Haroutioun Askanian, Gaëlle Bissagou Koumba, Florence Delor-Jestin
Publikováno v: Environmental Pollution (Elsevier)
Environmental Pollution (Elsevier), 2021, 287, pp.117656. ⟨10.1016/j.envpol.2021.117656⟩
Environmental Pollution
Environmental Pollution, 2021, 287, pp.117656. ⟨10.1016/j.envpol.2021.117656⟩
Plastic pollution in the world's ocean is one of the major environmental challenges that affects the society today, due to their persistence at sea, adverse consequences to marine life and being potentially harmful to human health. Rivers are now wid
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::043434075d0d7b1fdf7ceb44d6573bd5
https://pubmed.ncbi.nlm.nih.gov/34426383
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7
An InP Reflective SOA-EAM for 10 Gb/s Colorless Multi-IFoF/mmWave Fiber-Wireless Uplink in 5G Networks
Autor: F. Pommereau, Kebede Atra, C. Vagionas, Jean-Francois Paret, Carmen Gomez, Catherine Fortin, Amalia Miliou, Mohand Achouche, Cédric Ware, Karim Mekhazni, Giancarlo Cerulo, Arnaud Wilk, Franck Mallecot, Eugenio Ruggeri, Alexandre Garreau, Didier Erasme, Jean-Guy Provost
Publikováno v: Conference on Lasers and Electro-Optics, CLEO-2021
Conference on Lasers and Electro-Optics, CLEO-2021, May 2021, Virtual (Online), France
International audience; We experimentally present a 10-Gb/s Fiber Wireless IFoF/V-band uplink of four625Mbaud 16QAM signals with a linear, high-power monolithically integrated reflective electroabsorptionmodulator with semiconductor optical amplifier
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3cbb2d5b470e07931033429dcbf6fd6b
https://doi.org/10.1364/cleo_si.2021.sw3a.6
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8
Long cavity hybrid InP/SiN mode-locked lasers
Autor: Frederic van Dijk, Yasmine Ibrahimi, Jean-Marc Fedeli, Stephanie Garcia, Catherine Fortin, Alexandre Garreau, Karim Mekhazni, Francois Duport, Corrado Sciancalepore, Sylvain Boust, Quentin Wilmart, Jean-Francois Paret
Publikováno v: International Topical Meeting on Microwave Photonics (MWP)
International Topical Meeting on Microwave Photonics (MWP), Nov 2020, Matsue, Japan
2020 IEEE International Topical Meeting on Microwave Photonics (MWP 2020)
2020 IEEE International Topical Meeting on Microwave Photonics (MWP 2020), Nov 2020, Matsue, Japan. ⟨10.23919/MWP48676.2020.9314587⟩
International audience; In this paper, we present a 1.19 GHz integrated mode locked laser based on III-V/Si3N4 butt-coupling. We report the results of active mode locking and harmonic mode locking up to the 2nd harmonic. We also present the prelimina
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::51928b49c8dfb6fa3973cc747ebe379f
https://hal.archives-ouvertes.fr/hal-03285022
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9
Intraspecific diversity loss in a predator species alters prey community structure and ecosystem functions
Autor: Frédéric Santoul, Alexandre Garreau, Camille Poesy, Allan Raffard, Murielle Richard, Samson Acoca-Pidolle, Simon Blanchet, Julien Cucherousset, José M. Montoya
Publikováno v: PLoS Biology
PLoS Biology, 2021, 19 (3), pp.e3001145. ⟨10.1371/journal.pbio.3001145⟩
PLoS Biology, Public Library of Science, 2021, 19 (3), pp.e3001145. ⟨10.1371/journal.pbio.3001145⟩
PLoS Biology, Vol 19, Iss 3, p e3001145 (2021)
Loss in intraspecific diversity can alter ecosystem functions, but the underlying mechanisms are still elusive, and intraspecific biodiversity–ecosystem function (iBEF) relationships have been restrained to primary producers. Here, we manipulated g
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5afa6f260cc849ef4ad2b62911be8c5b
https://doi.org/10.1101/2020.06.10.144337
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10
O-band Reflective Electroabsorption Modulator for 50 Gb/s NRZ and PAM-4 Colorless Transmission
Autor: Kebede Atra, Jean-Guy Provost, F. Pommereau, Mohand Achouche, Giancarlo Cerulo, Alexandre Garreau, Didier Erasme, Fabrice Blache, Cédric Ware, Catherine Fortin, Carmen Gomez, Filipe Jorge, Franck Mallecot, Karim Mekhazni
Publikováno v: Optical Fiber Communication Conference
Optical Fiber Communication Conference, Mar 2020, San Diego, United States. ⟨10.1364/OFC.2020.M2B.1⟩
OFC
we present a 50 Gb/s O-band reflective electroabsorption modulator operating in both non-return-to-zero (NRZ) and PAM-4 modulation formats without equalization. We obtained >9 dB NRZ dynamic extinction ratio for a peak-to-peak voltage of 2.4 V.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::27c4f4e88dc6d3a966a1f2c23f18cd6f
https://hal.telecom-paris.fr/hal-02935215
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