Zobrazeno 1 - 10
of 6 769
pro vyhledávání: '"P Grandjean"'
Autor:
Kervazo, R, Congar, A, Perin, G, Lablonde, L, Butté, R, Grandjean, N, Bodiou, L, Charrier, J, Trebaol, S
We present a compact InGaN fiber Bragg grating (FBG) semiconductor laser diode operating below 400 nm in the single-mode emission regime. This compact coherent laser source exhibits an intrinsic linewidth of 14 kHz in the near-UV range and a side-mod
Externí odkaz:
http://arxiv.org/abs/2405.15462
Autor:
Peruzzetto, Marc, BRGM), (BRGM), Gilles Grandjean, Paris, Anne Mangeney (IPG, UPCité), (BRGM), Clara Levy, (BRGM), Yannick Thiery, (BRGM, Benoit Vittecoq, LGENS), (LAMA), François Bouchut, (UR, Fabrice Fontaine, IPGP), (IPGP, Jean-Christophe Komorowski
Publikováno v:
Revue fran{\c c}aise de G{\'e}otechnique, 2023, 176, pp.1
Quantifying the propagation of landslides is a key step for analyzing gravitational risks. In this context, thin-layer models have met a growing success over the past years to simulate the dynamics of gravitational flows, such as debris flows. They a
Externí odkaz:
http://arxiv.org/abs/2311.12868
Autor:
Chen, Danxuan, Jiang, Jin, Weatherley, Thomas F. K., Carlin, Jean-François, Banerjee, Mitali, Grandjean, Nicolas
Publikováno v:
Nano Letters, 24 (33), 10124-10130 (2024)
III-nitride wide bandgap semiconductors exhibit large exciton binding energies, preserving strong excitonic effects at room temperature. On the other hand, semiconducting two-dimensional (2D) materials, including MoS$_2$, also exhibit strong excitoni
Externí odkaz:
http://arxiv.org/abs/2308.10687
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-15 (2024)
Abstract Functional magnetic resonance imaging in rodents holds great potential for advancing our understanding of brain networks. Unlike the human community, there remains no standardized resource in rodents for image processing, analysis and qualit
Externí odkaz:
https://doaj.org/article/6cb5a79e9c4e4241bff2030ec42ba974
Autor:
Elhajhasan, Mahmoud, Seemann, Wilken, Dudde, Katharina, Vaske, Daniel, Callsen, Gordon, Rousseau, Ian, Weatherley, Thomas F. K., Carlin, Jean-François, Butté, Raphaël, Grandjean, Nicolas, Protik, Nakib H., Romano, Giuseppe
We present the simultaneous optical and thermal analysis of a freestanding photonic semiconductor membrane made from wurtzite III-nitride material. By linking micro-photoluminescence ($\mu$PL) spectroscopy with Raman thermometry, we demonstrate how a
Externí odkaz:
http://arxiv.org/abs/2306.16980
The main result states that a connected conic singular sub-manifold of a Riemannian manifold, compact when the ambient manifold is non-Euclidean, is Lipschitz Normally Embedded: the outer and inner metric space structures are metrically equivalent. W
Externí odkaz:
http://arxiv.org/abs/2306.14854
In September 2022, Ethereum transitioned from Proof-of-Work (PoW) to Proof-of-Stake (PoS) during "the merge" - making it the largest PoS cryptocurrency in terms of market capitalization. With this work, we present a comprehensive measurement study of
Externí odkaz:
http://arxiv.org/abs/2306.10777
Autor:
Grandjean, Vincent, Oliveira, Roger
Let $\sigma_q : \mathbb{R}^q \to {\bf S}^q \setminus N_q$ be the inverse of the stereographic projection with centre the north pole $N_q$. Let $W_i$ be a closed subset of $\mathbb{R}^{q_i}$, for $i=1,2$. Let $\Phi:W_1 \to W_2$ be a bi-Lipschitz homeo
Externí odkaz:
http://arxiv.org/abs/2305.07469
A closed subset of $\mathbb{R}^q$, definable in some given o-minimal structure, is Lipschitz normally embedded in $\mathbb{R}^q$ if and only if its one-point compactification is Lipschitz normally embedded in the unit sphere ${\bf S}^q$($ = \mathbb{R
Externí odkaz:
http://arxiv.org/abs/2304.08555
Autor:
Dutertre, Nicolas, Grandjean, Vincent
Fix an o-minimal structure expanding the ordered field of real numbers. Let $(W_y)_{y\in\mathbb{R}^s}$ be a definable family of closed subsets of $\mathbb{R}^n$ whose total space $W = \cup_y W_y\times y$ is a closed connected $C^2$ definable sub-mani
Externí odkaz:
http://arxiv.org/abs/2303.11474