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Canadian start-up Xanadu has built a series of small-scale quantum chips, available in 8- and 12-qubit versions, along with a 24-qubit processor, and a 40-qubit chip now at the fabrication stage. Credit: Xanadu

24 January 2022

Susan Curtis speaks to start-ups building quantum processors based on the photon

An infrared beam from a quantum cascade laser excites glucose molecules in skin, which are then detected via DiaMonTech’s photothermal deflection technique. Credit: DiaMonTech

24 January 2022

David Stuart on the health benefits of mid-infrared spectroscopy

Image credit: bogdanhoda/Shutterstock.com

11 January 2022

Tiny nanodiamonds are being used to dramatically optimise the calibration of optical microscopes, Matthew Dale finds


After the test disk is placed inside the chamber, some fine tuning is required to ensure they are horizontal and perfectly centred (credit: Caltech)

07 January 2022

LIGO scientists have developed a new mirror coating that could dramatically increase the observatory's detection rate of gravitational waves

(Image: BigPixelPhotos/Shutterstock.com)

06 December 2021

Manufacturing firms must help inspire young engineers as production plants embrace digital technologies, Matthew Dale finds

The future of LEDS lies some way beyond the humble LED bulb. (Image: LariBat/shutterstock.com)


06 December 2021

As nations turn to LED lighting to save energy and cut emissions, industry players are still chasing efficiencies and searching for the elusive, right light, reports Rebecca Pool

19 October 2021

Keely Portway looks at the latest advances in diamond turning, including new properties and functions for optics

Credit: Parilov/Shutterstock.com

15 October 2021

Joerg Volpp and Adrien da Silva, at the Luleå University of Technology, investigate beam shaping possibilities for high-power processing, co-authored by Alexander Laskin, from Adloptica


FormFactor's fast photonic wafer probers enable rapid tests through faster photonic alignment than previously possible. (Credit: FormFactor Inc)

07 September 2021

Integration, automation, collaboration, customisation and designing for testing and manufacturability will help component and system makers lower costs and increase production, finds Andy Extance

Credit: THOR Biomedicine

07 September 2021

Several different light-based treatments that have relied on lasers are now finding uses for LEDs, finds Andy Extance

04 August 2021

Keely Portway considers the latest miniature spectrometers for consumer and healthcare devices

(Image: Andrey Armyagov/Shutterstock)

04 August 2021

Greg Blackman asks experts how fibre lasers developed between 2010 to 2020, as well as what advancements the future may hold for the technology