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

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

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

Pulsed Laser Deposition of Piezoelectric Ba0.85Ca0.15Ti0.9Zr0.1O3 Thin Films on Various Electrode/Substrate Combinations

Marie-Hélène Chambrier, Moustapha Azankoud, Donovan Ledru, Renaud Valois, Guillaume Demily, Freddy Ponchel, Denis Rémiens, Ilham Hamdi Alaoui, Françoise Le Marrec, Abdelilah Lahmar, Nathalie Lemée, Anthony Ferri, Antonio Da Costa, Rachel Desfeux

Ba0.85Ca0.15Ti0.9Zr0.1O3 (BCTZ) lead-free thin films (400 nm thick) with a tetragonal structure were grown by pulsed laser deposition on various bottom electrode/substrate sets. High-resolution X-ray diffraction confirmed heteroepitaxial growth of BCTZ on (001)-oriented SrTiO3 substrates; in...

ACS Applied Electronic Materials, 2026, ⟨10.1021/acsaelm.6c01288⟩. ⟨hal-05845422⟩