Terahertz quantum cascade lasers (QCLs) represent a transformative development in the field of terahertz photonics, providing coherent radiation within a traditionally challenging spectral region ...

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

CEA-Leti has presented new research at the recent SPIE Photonics West highlighting major progress in the integration of ...

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 ...

Northwestern University researchers have developed compact, mid-infrared laser diodes that generate more light than heat – a breakthroughs in quantum cascade laser efficiency. The results are an ...

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 ...

For example, just as a Swiss Army knife combines several essential capabilities in one tool, Emerson’s new Rosemount QX1000 ...

Researchers have taken a major step towards bringing terahertz frequencies out of their hard-to-reach region of the electromagnetic spectrum and into everyday applications. Researchers demonstrate a ...

How lasers are used as terahertz frequency sources. The impact of the transition from nitrous oxide to methyl fluoride as the lasing gas. Results achieved by the researchers. Interest in the terahertz ...