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Affichage de 1901 à 1910 sur 16064

Communication dans un congrès

UTC Photodiodes on Silicon Nitride Enabling 100 Gbit/s Terahertz Links at 300 GHz

Dennis Maes, Sam Lemey, Gunther Roelkens, Mohammed Zaknoune, Vanessa Avramovic, Etienne Okada, P. Szriftgiser, Emilien Peytavit, Guillaume Ducournau, Bart Kuyken

By means of micro-transfer-printing, we bring high-speed UTC photodiodes to a SiN-platform. These waveguide-coupled photodiodes show a responsivity of 0.3 A/W and a bandwidth of 155 GHz. We further demonstrate that direct photomixing at 300 GHz is possible and enables data rates up to 128 Gbit/s...

European Conference on Optical Communication, ECOC 2022, Sep 2022, Basel, Switzerland. Session Photodiodes and Photodetectors (Th2E), 2 p. ⟨hal-03959704⟩

Communication dans un congrès

High-Bandwidth Photodiodes on Silicon Nitride Supporting Net Bitrates in Excess of 350 Gbit/s

Dennis Maes, Qian Hu, Robert Borkowski, Yannick Lefevre, Gunther Roelkens, Sam Lemey, Emilien Peytavit, Bart Kuyken

Silicon-nitride-based integrated photonic platforms currently lack fast photodiodes, limiting its adoption for high-speed optical transceivers. We show uni-traveling-carrier (UTC) photodiodes heterogeneously integrated by means of micro-transfer-printing and demonstrate their excellent bandwidth...

European Conference on Optical Communication, ECOC 2022, Sep 2022, Basel, Switzerland. ⟨hal-03960166⟩

Article dans une revue

Sensing of COVID-19 spike protein in nasopharyngeal samples using a portable surface plasmon resonance diagnostic system

Hiba Saada, Quentin Pagneux, James Wei, Ludovic Live, Alain Roussel, Alexis Dogliani, Lycia Die Morini, Ilka Engelmann, Enagnon Kazali Alidjinou, Anne Sophie Rolland, Emmanuel Faure, Julien Poissy, Julien Labreuche, Gil Lee, Peng Li, Gerard Curran, Anass Jawhari, Jhonny Yunda, Sorin Melinte, Axel Legay, Jean-Luc Gala, David Devos, Rabah Boukherroub, Sabine Szunerits

Rapid, yet sensitive and accurate testing concepts are critical in the control of spreading diseases. With the COVID-19 pandemic still ongoing, the need for efficient, fast and accurate testing of the infection state of children and the elderly traveling as well as people with symptoms has not...

Sensors & Diagnostics, 2022, 1 (5), pp.1021-1031. ⟨10.1039/d2sd00087c⟩. ⟨hal-03789773⟩

Communication dans un congrès

A Coarse-to-Fine Segmentation Methodology Based on Deep Networks for Automated Analysis of Cryptosporidium Parasite from Fluorescence Microscopic Images

Ziheng Yang, Halim Benhabiles, Feryal Windal, Jérôme Follet, Anne-Charlotte Leniere, Dominique Collard

In this paper, we present a deep learning-based framework for automated analysis and diagnosis of Cryptosporidium parvum from fluorescence microscopic images. First, a coarse segmentation is applied to roughly delimit the contours either of individual parasites or of grouped ones in the form of a...

Medical Optical Imaging and Virtual Microscopy Image Analysis. MOVI 2022, held in conjunction with MICCAI 2022, Sep 2022, Singapore, Singapore. pp.156-166, ⟨10.1007/978-3-031-16961-8_16⟩. ⟨hal-03793026⟩

Article dans une revue

High‐Performance Semitransparent Organic Solar Cells: From Competing Indexes of Transparency and Efficiency Perspectives

Tao Xu, Yiran Luo, Shiwei Wu, Baozhong Deng, Shi Chen, Yunbo Zhong, Shenghao Wang, Gaëtan Lévêque, Renaud Bachelot, Furong Zhu

Semitransparent organic solar cells (ST-OSCs) offer potentially more opportunities in areas of self-powered greenhouses and building-integrated photovoltaic systems. In this work, the effort to use a combination of solution-processable gold nanobipyramids (AuNBPs)-based hole transporting layer and...

Advanced Science, 2022, 9 (26), pp.2202150. ⟨10.1002/advs.202202150⟩. ⟨hal-03737804⟩

Article dans une revue

Heat-based transdermal delivery of a ramipril loaded cream for treating hypertension

Anna Voronova, Quentin Pagneux, Raphael Decoin, Eloise Woitrain, Laura Butruille, Alexandre Barras, Catherine Foulon, Marie Lecoeur, Diego Jaramillo, José Rumipamba, Sorin Melinte, Amar Abderrahmani, David Montaigne, Rabah Boukherroub, Sabine Szunerits

Angiotensin-converting enzyme (ACE) inhibitors play an important role in the development of anti-hypertension approaches, with ramipril being one of the most widely used ACE inhibitor prodrugs orally administered once or twice a day. Due to its low bioavailability, large amounts have to be...

Nanoscale, 2022, 14 (34), pp.12247-12256. ⟨10.1039/d2nr02295h⟩. ⟨hal-03764623⟩

Poster de conférence

Heat Fluxmeter in Silicon technology with low thermal resistance

Katir Ziouche, Ibrahim Bel-Hadj, Z. Bougrioua

Heat flow measurements have become essential in all sectors of industry as energy, chemicals, automotive, aerospace, environment, medicine and food industry, etc... On one hand, it allows to quantify heat losses through a part of a system surface, on the other hand it also permits to get some...

ECT’22, 18th European Thermoelectric Conference, Sep 2022, Barcelona, Spain. ⟨hal-03841126⟩

Poster de conférence

Fabrication of planar micro-ThermoElectric Generators integrating a 2.5D thermopile topology

Ibrahim Bel-Hadj, Zahia Bougrioua, Katir Ziouche

In this work, we have developed a family of planar micro-thermoelectric generators (μTEGs), integrating a novel 2.5D thermopile topology periodically folded and distributed onto a multi-membrane, capable of converting heat directly into useful electrical energy. This novel kind of thermopile...

ECT’22, 18th European Thermoelectric Conference, Sep 2022, Barcelona, Spain. ⟨hal-03841130⟩

Communication dans un congrès

Microfabricated alkali vapor cells using local sealing

Vincent Maurice, Ravinder Kumar Chutani, Clément Carlé, Shervin Keshavarzi, Samuel Queste, Ludovic Gauthier-Manuel, Jean-Marc Cote, Rémy Vicarini, Rodolphe Boudot, Nicolas Passilly

We report on a new technique to form and seal micro-fabricated cells. The technique consists in integrating single-use sealing structures actuated through laser irradiation, either to isolate cavities from each other or to connect them. Inspired by the glass-blowing techniques, we demonstrate “make...

INMAQS Technical Workshop, Sep 2022, Talk, United Kingdom. ⟨hal-03818572⟩

Communication dans un congrès

New Generation of On-Wafer Microwave Probe Station for Precision GSG Probing

Cerine Mokhtari, Mohamed Sebbache, Clément Lenoir, Christophe Boyaval, Vanessa Avramovic, Gilles Dambrine, Kamel Haddadi

Accurate characterization of emergent RF extreme impedance micro-and nanoelectronic devices requires novel probing techniques to ensure the probe-to-pad contact repeatability. In this effort, a new generation of nanorobotics on-wafer probing station is developed. Residual calibration error terms...

24th International Microwave and Radar Conference, MIKON 2022, Sep 2022, Gdansk, Poland. ⟨hal-03835130⟩