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Porous Silicon Micropillar Platforms for Integrated Thin-Layer Chromatography and Laser Desorption/Ionization Mass Spectrometry Imaging

Clara Whyte Ferreira

Separating and identifying chemical compounds in complex mixtures is important in many fields, including environmental monitoring, pharmaceutical analysis, and healthcare. These tasks usually rely on two complementary techniques: chromatography, which separates molecules according to their chemical...

Physics [physics]. Univesité de Liège, 2026. English. ⟨NNT : ⟩. ⟨tel-05838070⟩

Article dans une revue

Higher-order Tamm modes in nano-structured cap layers on a distributed Bragg reflector: Application for advanced optical sensing

Oumaima Haidar, Baptiste Mathmann, Yannick Dusch, Mohamed Boutghatin, Gaëtan Lévêque, El Houssaine El Boudouti, Abdellah Mir, Abdellatif Akjouj, Abdelkrim Talbi

Tamm modes, strongly confined between a metal and a distributed Bragg reflector (DBR), offer the advantage of being accessible with conventional excitation sources, without requiring coupling elements such as prisms. Here, we experimentally observe higher-order Tamm modes in such structures by...

Optical Materials, 2026, 179, pp.118385. ⟨10.1016/j.optmat.2026.118385⟩. ⟨hal-05724911⟩

Article dans une revue

Bound states in the continuum in a photonic step ladder cavity

Eman Abdel-Ghaffar, Amina Rezzouk, Fatima Houari, Soufyane Khattou, Madiha Amrani, El Houssaine El Boudouti, Abdelkrim Talbi, Bahram Djafari-Rouhani, Housni Al-Wahsh, Leonard Dobrzyński, Abdellatif Akjouj

This paper presents an analytical study of bound states in the continuum (BICs) in a photonic step-ladder waveguide structure. We demonstrate that BICs can arise in a cavity formed by one vertical and two horizontal waveguides inserted between two semi-infinite leads. Using the Green’s function...

Optics and Lasers in Engineering, 2026, 206, pp.110027. ⟨10.1016/j.optlaseng.2026.110027⟩. ⟨hal-05718791⟩

Communication dans un congrès

Power control for mixed URLLC and eMBB traffic in cell-free massive MIMO under pilot jamming

Felix Odoom, Joumana Farah, Liesbet van der Perre, Eric Pierre Simon, Tim Claeys

<div><p>A wide range of new services in 5G and beyond networks introduces stricter reliability demands, increasing concerns about jamming. This work studies the effect of pilot jamming on user-centric cell-free massive multiple-input multipleoutput (MIMO) networks operating with mixed...

IEEE International Workshop on Signal Processing Systems (SIPS 2026), Nov 2026, Bordeaux, France. ⟨hal-05749913⟩

Article dans une revue

Blind adaptive time domain equalizer for CP-free MCM based NOMA systems

Nour El Houda Bouda, Sid Ahmed Elahmar, Anis Amazigh Hamza, Iyad Dayoub

Despite the widespread adoption of Cyclic Prefix (CP)-based waveforms in conventional wireless communication systems, their spectral efficiency is inherently limited by the overhead introduced by the guard interval. To overcome this limitation, recent studies have explored reliable CP-free...

Physical Communication, 2026, 80, pp.103358. ⟨10.1016/j.phycom.2026.103358⟩. ⟨hal-05781982⟩

Article dans une revue

Beyond the Tartaglia–Cardano Myth: Priority, Secrecy, and Print in Renaissance Algebra

Raffaele Pisano

The Tartaglia–Cardano affair is often remembered as a story of betrayal surrounding the solution of the cubic equation. This article argues that the episode is better understood as a Renaissance case of mathematical knowledge in circulation: discovered, concealed, versified, privately communicated...

The Mathematical Intelligencer, In press, 48 (4). ⟨hal-05839675⟩

Ouvrages

Smart Radio Communications

Laurent Clavier, Chiara Buratti

The ebook edition of this title is Open Access and freely available to read online. Radio communications are a cornerstone of modern life, reshaping how we connect, work, and interact. In the years ahead, they will drive even greater efficiency in industries, safety in transportation, and...

Emerald Publishing Limited, 1, 2026, 978-1-80686-850-6. ⟨10.1108/978-1-80686-849-0⟩. ⟨hal-05842192⟩

Article dans une revue

Carnot’s cycle in the making of thermodynamics

Raffaele Pisano

No heat engine operating in a cycle can convert all the heat it receives into useful work. This Carnotian limit is now elementary thermodynamics, but it remains useful at the forefront of scientific research. It governs the comparison between ideal cycles and real processes, the interpretation of...

Nature Reviews Physics, 2026, 8 (10), ⟨10.1038/s42254-026-00994-x⟩. ⟨hal-05744235⟩

Article dans une revue

Femtosecond Laser Direct Writing of Conductive Carbon Layers on Flexible Kapton Polyimide: A Parametric Study of Process, Microstructure, and Electrical Properties

Ahmad Barham, Mohammad Alkhatab, Wissam Helal, Flavie Braud, Jean-Pierre Vilcot, Basma Elzein

Femtosecond laser direct writing on Kapton polyimide was investigated using ultraviolet (343 nm) and near-infrared (1030 nm) irradiation. Sixteen conditions were screened optically and electrically. Scanning electron microscopy (SEM) micrographs were obtained for four infrared conditions and one...

Molecules, 2026, 31 (20), pp.3748. ⟨10.3390/molecules31203748⟩. ⟨hal-05807839⟩

Article dans une revue

Time‐Modulated Optomechanics Reveal Energy Flow and Inelastic Interactions Between Acoustic Phonons in Nanomembranes

Anuj Kumar Dhiman, Piotr Graczyk, Tobias Held, Mikolaj Pochylski, Kleoniki Sympoura, Rafal Bialek, Jacek Gapinski, Bahram Djafari-Rouhani, Baerbel Rethfeld, Bartlomiej Graczykowski, Thomas Vasileiadis

<div><p>An abrupt change in refractive index, known as a temporal interface, can cause temporal reflection, refraction, and diffraction of light, enabling the development of time-varying photonic devices. Since time-varying optics are based on ultrafast electronic excitations, the...

Laser and Photonics Reviews, 2026, 15 p. ⟨10.1002/lpor.72069⟩. ⟨hal-05834933⟩