➀ Researchers have developed an ultra-sensitive infrared detector for molecular detection based on graphene and phonon polaritons. The device transforms infrared light into 'nanolight', enhancing the vibrational fingerprint signal. ➁ The novel technology offers potential for miniaturization and on-chip applications, including medical diagnostics and environmental monitoring. ➂ Room-temperature operation could enable integration into smartphones and wearable electronics, revolutionizing molecular identification.

1. Researchers at the University of Illinois have developed infrared quantum dots using cadmium selenide precursors, expanding the technology beyond the visible spectrum. 2. The new HgSe and HgCdSe nanocrystals maintain the properties of their parent CdSe nanocrystals, including size, shape, and uniformity. 3. This advancement opens up potential applications in molecular imaging and deeper tissue probing in biological systems.

1. ROHM introduces VCSELED, an innovative infrared light source for vehicle safety systems; 2. The technology combines a VCSEL element with an optical diffuser for enhanced light dispersion; 3. VCSELED is being developed for use in Driver Monitoring Systems (DMS) and In-Cabin Monitoring Systems (IMS), with high-accuracy sensing capabilities.