Switching from diode pumping at 793 nm to laser pumping at 1.9 µm boosts efficiency.

…and substances will be identified by mini devices based on metalenses, says VTT Research.

Tongji University platform balances trade-off between aperture, bandwidth, image quality.

Research builds on UW–Madison’s membership in AIM Photonics to advance system design.

Optical photothermal infrared spectroscopy exploits thermal response of contaminants to illumination.

Nottingham and Imperial team say approach has applications in optical wireless, materials processing, and imaging.

Low-coherence holotomography and nanowire substrate allow study of cells in their natural state.

…and Oxford discovers way to switch OLEDs to emit polarized light without altering light-emitters.

‘Simple adaptive method’ makes optical quantum processors behave like neural networks.

...and KAIST’s efficient quantum process tomography enables scalable optical quantum computing.

Trumpf, Fraunhofer ILT, and FU Berlin developing quantum algorithms to boost laser efficiency.

Unifying detection of forward and backward scatter combines advantages of both approaches.