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Liste de actualités du Leti
With years of expertise in silicon photonics, CEA-Leti researchers have developed two complementary approaches for high performance photon detectors. This innovative technology meets the needs of disruptive applications in a variety of sectors such as Free Space Optics for telecoms, quantum computing and quantum cryptography. Depending on application requirements, CEA-Leti now offers cutting-edge solutions using either Avalanche Photodetectors (APD) with Mercury Cadmium Telluride (MCT) or Superconducting Single Photon Detectors (SSPD).
As published in the March April 2024 issue of Chip Scale Review
The IEEE, the largest international professional association devoted to electricity and electronics, has recognized the achievements of Olivier Faynot, the Director of CEA-Leti's Silicon Components Department, for his exceptional achievements with advanced CMOS components.
CEA-Leti's cornerstone research on silicon carbide substrates initially gained traction in 2019 with Soitec on booming demand from the electric vehicle market and a scarcity of monocrystalline silicon. Today, with four presentations at ICSCRM 2023 showcasing pioneering advances in transferred silicon carbide substrates for electronics and photonics, CEA-Leti continues to lead the way in silicon carbide and thin film transfer technologies.
CEA-Leti combined its hardware and software expertise to investigate the benefits of new signal processing approaches to conventional Time-of-Flight (ToF) histogram acquisition schemes. Among the techniques developed are compressive sensing and expectation-maximization algorithms. Both turned out to be promising avenues for reducing hardware design constraints in active direct ToF 3D imaging based on SPAD pixels.
A specialist in ultra-miniature rechargeable batteries for medical devices, the startup is acquiring an industrial site 15 km from CEA-Leti. It will ultimately employ 50 people. Volume manufacturing is to begin late 2026.
Developing new methods to extract encrypted data from cell phones and assist with criminality or terrorism matters: such was the purpose of the European ExFiles project, which was under the technical coordination of CEA-Leti from 2020 to 2023. The European Commission described the results as ‘very positive’.
CEA-Leti and the startup Kineis recently developed ultra-miniaturized antennas that significantly improve communication between earth-based objects and satellites. These improvements include lower power consumption and costs, improved reception of messages and an insensitivity to an equipment’s orientation. These advances open the door to low-cost radio links that could be accessible around the globe.
Epitaxy has become a key process in the development of devices that rely on substrates. While epitaxy refers to the general ability to grow crystals or deposit a material on a substrate, there are numerous types of epitaxy, which each have their own fields of application. Expertise at CEA-Leti covers a wide range of applications, including recent work on Nitride Epitaxy, particularly adapted to power or radio-frequency transistors as well as micro-LEDs.
Four years after launch, the CEA-Leti start-up Wormsensing has invested in a production line capable of manufacturing two million vibration sensors per year. Enough to win volume orders from customers in the energy, automotive, healthcare and manufacturing sectors.
After earning a Materials Engineering diploma from INSA Lyon, Jules Tillement did a final internship in a research laboratory specializing in image sensors. He was then recruited to pursue a doctorate at STMicroelectronics, in partnership with CEA-Leti.
When operated at high frequencies, certain piezoelectric materials display exceptional quality factors and power densities. CEA-Leti and an academic research partner have been investigating how to bring these remarkable properties to power conversion in the form of a new inductor-free power converter concept based on mechanical, rather than magnetic, energy storage.
On-chip batteries will play a key role in our increasingly connected, electrified, and sustainable world. As wireless sensor technologies improve and the Internet of Things expands, the need for tiny, high-energy-density solid-state integrated batteries for a rapidly-growing number of use cases is urgent. CEA-Leti is pushing back the frontiers of on-device energy storage with innovative battery performance optimization tools.
Late 2023, CEA-Leti executed a real-scale validation of private 5G network elements capable of offering a data rate of at least 20 Mbps at a 30 km distance. Intended for port operations, it could be adapted to other uses when public networks fail to achieve the required performance.
A new European Union consortium created to accelerate the development of next-generation, edge-AI technologies is installing cleanroom tools and gearing up to design, evaluate, test and fabricate new circuits from across Europe.
CEA-Leti and STMicroelectronics made advances on an insulated recessed-gate GaN (gallium nitride) power transistor that will improve device reliability.
ISSCC 2024 Presentation Reports Accurate Speech Recognition At Power Consumption Below One Microwatt
ISSCC 2024 Paper Says ‘Ground-Breaking’ DC-DC Converter Unifies Power Switches on a Single Chip
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CEA is a French government-funded technological research organisation in four main areas: low-carbon energies, defense and security, information technologies and health technologies. A prominent player in the European Research Area, it is involved in setting up collaborative projects with many partners around the world.