News : Electronics and microelectronics - Optoelectronics
April 18 2023
Integrated Photonic on glass for THz Frequency Generation
PhD position Integrated Photonic on glass for THz Frequency Generation The thesis will focus on the development of co-integrated Glass DFB Lasers for THz generation and the demonstration to high speed communications. Several advanced applications, such as next wireless communication system (6G and beyond), spectroscopes and radars require high purity radio frequency signals. These […] >>
August 26 2022
Strain driven Group IV photonic devices: applications to light emission and detection
Straining the cristal lattice of a semiconductor is a very powerfull tool enabling controlling many properties such as its emission wavelength, its mobility…Making strain amplification microstructures is a rather recent technique allowing accumulating very significant amounts of strain in a micronic constriction, such as a microbridge (up to 4.9% for Ge [1]), which deeply drives […] >>
December 15 2020
Development of Atomic Force Microscopy techniques for the characterization of piezoelectric semiconductor materials – Applications in energy conversion
Description of the project: Semiconductor piezoelectric nanowires (NWs) (GaN and ZnO among others) have improved piezoelectric properties compared to thin films and bulk materials, due to their greater flexibility and sensitivity to lower forces. An intrinsic improvement in piezoelectric coefficients has also been identified by recent theoretical and experimental studies [1, 2]. These NWs can […] >>