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Affichage de 311 à 320 sur 16170

Communication dans un congrès

Quantitative calibration of a TWPA applied to an optomechanical platform

Alexandre Delattre, Ilya Golokolenov, Richard Pedurand, X Zhou, Nicolas Roch, Luca Planat, Mika Sillanpää, L Mercier de Lépinay, A D Armour, J Glatthard, Andrew Fefferman, E Collin

In the last decade, the microwave quantum electronics toolbox has been enriched with quantum-limited detection devices such as Traveling Waves Parametric Amplifiers (TWPAs) [1]. The extreme sensitivity they provide is not only mandatory for some physics applications within quantum information...

Frontiers of Nanomechanical Systems 2025, NTT, Jun 2025, Atsugi, Kanagawa, Japan. ⟨hal-05201330⟩

Communication dans un congrès

Nonlinear Energy Transfer and Frequency Comb Generation in Coupled Silicon nitride Drum Resonators

Loïc Flis, Xin Zhou

Mechanical resonators serve as ideal experimental and theoretical platforms for exploring nonlinear phenomena such as Duffing nonlinearity, frequency comb generation, parametric amplification, and chaos. Their suitability arises from intrinsic nonlinearities introduced by device geometry and...

Frontiers of Nanomechanical Systems 2025, NTT, Jun 2025, Atsugi, Kanagawa, Japan. ⟨hal-05201311⟩

Communication dans un congrès

Interference Aware Ultra Reliable Communications in In-X IoT Sub-Networks

Mamadou Ngom, Laurent Clavier

In an environment with strict constraints on maximum permissible delay and a high density of interconnected devices, achieving global system coordination becomes impractical. This lack of coordination results in increased noise due to interference. Under such conditions, interference levels can...

2025 Joint European Conference on Networks and Communications & 6G Summit (EuCNC/6G Summit), Jun 2025, Poznan, Poland. pp.187-192, ⟨10.1109/EuCNC/6GSummit63408.2025.11037153⟩. ⟨hal-05215009⟩

Communication dans un congrès

QUIDS: A Large-Scale Distributed Framework for Quantum Irregular Dynamics Simulations

Joseph Touzet, Oguz Kaya, Pablo Arrighi, Amélia Durbec

In traditional quantum computing, e.g. in the quantum circuit model, the size of the data structure describing basis elements is well known, because the dimensionality is fixed. General quantum systems, however, exhibit basis elements of variable size, and state spaces having dynamically unbounded...

Q-CASA 2025 - IPDPS Workshop on Quantum Computing Algorithms, Systems, and Applications, Jun 2025, Milan, Italy. pp.491-500, ⟨10.1109/IPDPSW66978.2025.00080⟩. ⟨hal-05472605⟩

Communication dans un congrès

Multimode coupling and nonlinear dynamics in coupled double-drum resonators

X Zhou, L Flis, T Farah, E Collin, B Djafari-Rouhani, Y Pennec

Parametrically coupled micro- and nano-electromechanical resonators serve as ideal model systems for the study of coherent multimode energy transfer and conversion, offering diverse interaction mechanisms and flexible control of mode coupling [1-3]. In this work, we present experimental and...

Frontiers of Nanomechanical Systems 2025, NTT, Jun 2025, Hon-Atsugi, Japan. ⟨hal-05190491⟩

Article dans une revue

Performance of Long Range-Frequency Hopping Spread Spectrum (LR-FHSS) For LoRaWAN Satellite Communication

Puput Adi, Kevin Stekelorom

Some factors that need to be developed in the LoRaWAN satellite communication system are using LR-FHSS (Long Range-Frequency Hoppong Spread Spectrum) to increase resistance to frequency interference and jamming, with the technique of using a small bandwidth per channel and operating on the same...

International Journal of Emerging Information Science and Technology, 2025, 6 (1), pp.32-41. ⟨10.18196/eist.v6i1.26431⟩. ⟨hal-05301142⟩

Communication dans un congrès

Chalcogenide nano-optomechanical phase change metasurface

Ding Li, Abbas Sheikh Ansari, Avik Mandal, Behrad Gholipour, Xin Zhou, Jun-Yu Ou

Tuning any mechanical resonator like a guitar string requires continuous force and energy. Phase change chalcogenide semiconductors can provide non-volatile switching of mechanical and optical properties with phase transition. Here, we demonstrate a new class of reconfigurable nano-optomechanical...

Frontiers of Nanomechanical Systems 2025, NTT, Jun 2025, Atsugi, Kanagawa, Japan. ⟨hal-05201320⟩

Communication dans un congrès

Noise sources, data process and uncertainties in terahertz time domain spectroscopy

Jeyan Bichon, Noureddin Osseiran, Jean-Francois Lampin, Romain Peretti

The first terahertz time domain spectroscopy (THz-TDS) experiments are now well-established, and fully autonomous systems have been commercially available for over a decade. This has led to the increasing adoption of THz-TDS by research groups outside the core THz community, as well as by...

12th International Symposium on Terahertz-Related Devices and Technologies: TeraTech 2025, Jun 2025, Salamanque, Spain. ⟨hal-05160933⟩

Article dans une revue

Thermoelastic properties of polycrystalline strontium titanium silicate Sr₂TiSi₂O₈ synthesized via the reactive sintering method

Oussama Zwein, Maurice Gonon, Sandra Abdelouhab, Isabella Mastroianni, Marc Duquennoy

The aim of the work presented in this paper is to investigate the thermoelastic properties of polycrystalline Sr-fresnoite Sr2TiSi2O8 (STS). On that purpose, Sr2TiSi2O8 samples were synthesized by solid state reactive sintering from SrCO3, TiO2 and SiO2 powders. The thermal expansion behaviour of...

Journal of the European Ceramic Society, 2025, 45 (6), pp.117224. ⟨10.1016/j.jeurceramsoc.2025.117224⟩. ⟨hal-04923467⟩

Article dans une revue

Light security scheme for Cooperative, Connected and Automated Mobility (CCAM)

Ramzi Boutahala, Hacène Fouchal, Marwane Ayaida

Cooperative, Connected and Automated Mobility (CCAM) is a new paradigm adopted by academia and industry in order to provide safe, secure and sustainable mobility on all kinds of roads (highways, urban and rural roads). CCAM takes advantage of Cooperative Intelligent Transport Systems (C-ITS) to...

Vehicular Communications, 2025, 53, pp.100892. ⟨10.1016/j.vehcom.2025.100892⟩. ⟨hal-04961355⟩