By combining adiabatic optical coupling, silicon-based feedback and cavity engineering, and ultra-compact laser concepts, CEA ...

Terahertz quantum cascade lasers (THz QCLs) are semiconductor-based devices that produce coherent radiation within the terahertz region of the electromagnetic spectrum. These lasers operate via ...

CEA‑Leti has presented new research showing advances in the integration of quantum cascade lasers with silicon photonic ...

The quest is on to make terahertz sources that are small, portable and capable of operating at room temperature. Such a breakthrough could lead to advances in everything from cancer screening to ...

A new publication from Opto-Electronic Advances; DOI 10.29026/oea.2024.240077 , discusses agile cavity ringdown spectroscopy enabled by moderate optical feedback to a quantum cascade laser. Optical ...

Resonantly tunable quantum cascade lasers (QCLs) are high-performance laser light sources for a wide range of spectroscopy applications in the mid-infrared (MIR) range. Their high brilliance enables ...

Biomass can be converted into valuable gases. But in order to control this process, the amount of water vapor has to be measured. This is notoriously hard, because other components of the gas can ...

A new ring-based tunable laser on a chip emits multiple wavelengths smoothly, offering a compact, cost-effective alternative for sensing, diagnostics, and more. (Nanowerk News) Researchers in the ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...

Defense systems developer Leonardo DRS has been awarded another full-rate production contract to supply its industry-leading quantum cascade laser technology to enable common infrared countermeasure ...

CEA-Leti today presented new research at SPIE Photonics West highlighting major progress in the integration of quantum cascade lasers (QCLs) with silicon photonic platforms for mid-infrared (MIR) ...