Optics and photonics Archives – Page 33 of 180

Optics and photonics

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Polymer-tuned perovskite creates high-efficiency underwater solar cells

Diagram of submerged perovskite solar cells

Metasurface optical device boosts nonlinear frequency conversion

Nanostructured device efficiently transforms light into different frequencies – including those at technologically important near-infrared wavelengths

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Research headlines

Skyrmion topology makes long-distance optical communications more robust

Bilayer approach ramps performance of all-perovskite triple-junction solar cells

Plasmonic metamaterial makes a photonic time crystal

Illustration showing a yellow sinusoidal wave coming in from the left side of the image and impinging on a cube with a rippling interference pattern on its nearest face

Researchers harness sunlight to generate quantum entanglement

Sunlight may provide an energy-efficient alternative to lasers used in quantum computing

Upconverting colloidal quantum dots bring ‘colour vision’ to the infrared

The nanostructures can be incorporated into wearable eyeglasses

Semiconducting nanorods help laser-powered drones keep cool

Researchers incorporate a heat blocking technology into the solar cells onboard remote uncrewed aerial vehicles

Artificially rotating system reflects radiation like a black hole

Rotational super-radiance observed for twisted radio waves

‘Photonic multi-lane highway’ enjoys insulator-free topological protection

New technology uses a photonic valley half-semimetal

Metasurface grating gives solar telescopes a boost

New optical device could fly on future space missions that study solar magnetic fields and space weather

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Features

From ideas to industry: a theoretical physicist’s journey into Silicon Valley

China’s High Energy Photon Source prepares to light up the world

3D model of the High Energy Photon Source (HEPS) synchrotron building

Oculomics: a window to the health of the body

Hands holding a small piece of medical equipment in front of a patient's eye

Explore more in optics and photonics

The Bayeux Tapestry: how optical techniques have let this artwork come home

Honor Powrie celebrates the optical techniques that have digitized, restored and protected the Bayeux Tapestry

Nanopositioning, customization and control: opening new frontiers in optical computing

SmarAct and Akhetonics have developed a test platform for next-generation optical processors

Machine vision begins to work like the human eye

New artificial vision system adapts faster to changing light conditions

Sunlight can produce correlated pairs of photons

Novel source for quantum optics experiments could enable experiments in space or other locations with limited electricity

Illustration showing sunlight streaming into a blueish block (representing a nonlinear crystal). Two beams of purple light (representing the two photons) emerge and produce a pixelated image.

Photonic glasses deliver angle-independent structural colour, including reds

Gold nanoparticles absorb blue light

Bird motifs coloured using the new photonic glass

Building a better laser on the Moon

Ultrastable devices could be housed in dark lunar craters

‘Einstein’s flying mirror’ technique opens a path towards extreme light intensities

New strategy could allow physicists to conduct previously impossible experiments in which light interacts directly with the quantum vacuum

Photo of several researchers in a laboratory. They're all wearing identical dark blue shirts and have laser safety goggles on their heads

Researchers print structural colour with an inkjet printer

A nanoparticle ink that can print structural colour onto flat or 3D surfaces could be used to create anti-counterfeit images, smart windows and displays, and vibrant artworks

Image printed with structural colour ink

Darkness can travel faster than light

Discovery of superluminal correlations within 2D hexagonal boron nitride could advance super-resolution electron microscopy

Conceptual illustration showing a glowing pool dotted with blue and orange vortices

Ask me anything: Gwenaëlle Lefeuvre ‘Not everyone is built to be a specialist and there is nothing wrong with that’

Gwenaëlle Lefeuvre is the network coordinator for Photonics Bretagne, an innovation hub supporting the photonics ecosystem in Brittany, France

Tantala 3D integrated circuits deliver a rainbow of laser light

Devices could help miniaturize laser-based technologies

Laser-driven free electron laser runs for more than eight hours

Laser stabilization system boosts quality of electron bunches

Two researchers working at the BELLA Center

Trapped ion quantum technology gets smaller

Portable device could find applications in quantum computing and optical clocks

Two scientists standing at an optical bench in a semi-darkened laboratory. They're both wearing laser safety goggles and there is equipment on the bench, but not an entire bench's worth as is the case in some experiments.

Rocket re-entry pollutes the upper atmosphere

Lidar measurements have detected a plume of lithium created by falling space debris from a rocket stage

Ask me anything: Giannis Zacharakis – ‘The ability to pursue questions that genuinely interest you is a privilege’

Giannis Zacharakis is a biophotonics and biomedical imaging researcher and CEO of the precision photonics spin-off Kymatonics

Compact optical amplifier is efficient enough for on-chip integration

Low-power optical device achieves around 100 times amplification using just a couple of hundred milliwatts of input power

Stanford researchers measure an optical amplifier chip in the lab

Laser-written glass plates could store data for thousands of years

Scientists at Microsoft Research tout a potential long-term alternative to standard digital archives

An optical bench with some equipment on it

Metasurfaces create super-sized neutral atom arrays for quantum computing

Technique lays the groundwork for neutral-atom quantum computers with more than 100,000 qubits, say physicists

Schematic diagram of the beam arrangement, a set of atom traps arranged in a 2D shape resembling the Statue of Liberty, and a 600 × 600 array of optical tweezers

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Related events

Medical physics | Workshop 2026 ISMRM Workshop on Beyond Protons: Challenges and Advances in X-Nuclei MR 28 September — 1 October 2026 | Barcelona, Spain
Quantum | Forum Quantum Datacenter Alliance (QDA) Forum 1 October 2026 | London, UK
Optics and photonics | Conference International Conference & Expo on Lasers, Optics & Photonics 26—28 October 2026 | Frankfurt, Germany

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