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...
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...
