HDR DEFENSE of Jean-Paul GUILLET - November 28, 2025
« This HDR summarizes my research activities on terahertz (THz) waves from 2010 to today, with a focus on bringing THz technologies from fundamental studies to application-ready systems. The work covers a broad range of use cases—art and cultural...
The objective of this thesis is to investigate the generation of terahertz waves in LiNbO₃ and PPLN waveguides via χ(2) processes, using a high-repetition-rate ytterbium-based laser operating at a wavelength of about 1 µm. In a LiNbO₃ waveguide...
This PhD work focuses on the design and optimization of RF energy harvesting systems for autonomous IoT nodes. The objective is to develop efficient rectifier and antenna architectures capable of operating at very low input power levels, paving the way...
The IMS Laboratory at CLEO Europe 2025: Award Recognition for Terahertz Imaging Research
As Europe’s premier event for optics and photonics, the CLEO®/Europe-EQEC Conference annually gathers leading researchers and experts from around the world who drive groundbreaking advancements and innovation in their fields. The program features plenary...
Research spotlight: Sub-THz Fully-Metallic Geodesic Luneburg Lens Antenna
An innovative study published in IEEE Transactions on Terahertz Science and Technology, March 2025, introduces a new Sub-THz Fully-Metallic Geodesic Luneburg Lens Antenna, confirming its potential for operation at higher frequencies above 300 GHz. This...
Research spotlight: Fourier synthetic-aperture-based time-resolved terahertz imaging
An innovative study published in Photonics Research, February 2025 (Vol. 13, No. 2) introduces a new terahertz imaging approach overcoming the diffraction limit by acquiring high-spatial-frequency components using a Fourier synthetic aperture.This method...
REMPOWER (REctenna in Millimeter-Wave frequency range for High-POWer Energy Reception) project selected as a part of the Pathfinder challenge portfolio
The REMPOWER project is one of the 43 selected projects among 368 submitted eligible proposals under the EIC Pathfinder Challenges call for cutting edge research projects. REMPOWER project (REctenna in Millimeter-Wave frequency range for High-POWer Energy...
Motivation: Health and fitness wearables present mobile solutions for ICT in public wellbeing by providing personal remote control and clinical intervention through telemedicine networks. Due to their noninvasive and continuous vital sign monitoring,...
Demonstration of a real-time sensor for environmental pollution
First demonstration of a real-time sensor for environmental pollution by extracellular polymeric substances isolated from algae combined with a SAW transducer : W. Gongi, M. Rubé, Hafedh Ben Ouada, Hatem Ben Ouada, O. Tamarin, C. Dejous, Elaboration...
