Optics and photonics

Latest articles

Shining a light on the nanoscale

A metasurface made of arsenic trisulphide

Chalcogenide glasses open up to visible and ultraviolet wavelengths

Nanostructured metasurface overcomes a previous limitation for these materials

Atomically thin lasers shine for the first time at room temperature

Coherent light generation from ultrathin semiconductor crystals paves the way for creating novel nanolasers and valleytronic devices

Research headlines

Photo of the reconfigurable photonic quantum processor in a rack-mountable case with optical fibres coming out of it

Universal photonic quantum processor sets new size record

Photonic band structure created in electrically driven OLED microcavities

Quantum dot LEDs bend and fold like origami paper

Topological insulator design makes 30 lasers emit as one

Array of vertical cavity surface emitting lasers (VCSELs) behaves as a single coherent light source

Fluorescent dye molecules store data quickly and efficiently

New technique used to store scientific paper and image

Gain medium gives a boost to sonic crystal ‘saser’

Focused beam of sound could find use in a host of applications, including medical imaging and non-destructive materials testing

All-optical processors could compute any linear transformation, machine learning reveals

Light-based system would be faster and more energy efficient than conventional computers

Metal-organic frameworks stabilize perovskite LEDs

New structures could find use in consumer electronics, medical imaging and photovoltaic devices

Atoms and molecules make vortex beams

"Twisted" wavefront structures had previously only been seen in photons and electrons

Optics & Photonics Briefing

Take a look inside our latest free-to-read optics and photonics briefing. Answering key questions and covering the latest research, features and commercial developments, this issue highlights areas including lasers and detectors, solar power, medical imaging and high-resolution displays.

Features

Sunny superpower: solar cells close in on 50% efficiency

The potential of far-ultraviolet light for the next pandemic

The blue solution

Explore more in optics and photonics

In search of new solutions for cheap and stable solar cells

Next-generation photovoltaic materials expert Giulia Grancini discusses her research on hybrid perovskite solar cells and the “golden triangle” of efficiency, stability ...

Laser beams become visible in vacuum

New technique will make it easier to manipulate individual atoms in optical traps

Inkjet technique prints rainbow of structural colours from a single transparent ink

A novel structural colour printing approach could find use in applications ranging from smart windows to anti-counterfeit technology

Sebastian Ecker and Martin Bohmann leaning over an optical bench bathed in purple-blue light

Distillation method strengthens quantum entanglement in a single pair of photons

Novel technique uses two properties of the same photon to perform logic operation

Inside the the Hybrid Photonics Labs at Skoltech

New optical transistor uses quasiparticle condensate to switch rapidly

Low-power device operates at room temperature

Seven-segment display of elastomer-based pixels

Inflatable liquid crystalline elastomers create complex colour-changing displays

Pixels of liquid crystalline elastomer shift colour from near-infrared to ultraviolet wavelengths when stretched by less than 20%

Moiré superlattice makes magic-angle laser

Researchers create a completely new laser design based on a graphene-like structure

New ‘time lens’ could boost single-photon imaging technique

Time resolution improved by a factor of 130

Sign created using microscale concave interfaces

Could microscale concave interfaces help self-driving cars read road signs?

Microstructured materials that produce concentric rainbows could create more dependable road signs for autonomous vehicles

Probing the origins of the universe, using plasmonic tweezers to manipulate tiny objects

In this podcast we meet a nanophotonics expert and a cosmologist

$A compact electron diffractometer$

Terahertz radiation drives compact ultrafast electron diffractometer

Tabletop device could enable new science in small labs

Photo showing several perovskite-on-silicon tandem solar cells stacked in a rack

Tandem solar cells edge towards 30% efficiency

Commercial models will be ready in 2022, manufacturer says

Dose measurement system could improve phototherapy for jaundiced newborns

Estimating the rate of energy delivered by a phototherapy lamp within a selected wavelength range could optimize neonatal phototherapy

Ghost surface polaritons seen for the first time

Diffraction-less quasiparticles propagate up to 20 micron on the surface of calcite crystal

Conceptual image of waves emerging from a pair of slits in a barrier with wave equations superimposed over it

Wave–particle duality quantified for the first time

Experiment attaches precise numbers to a photon’s wave-like and particle-like character

Terahertz radiation is created using semiconductor surface states

Researchers turn a problem into a solution

Conceptual image of the optical tweezer device showing particles suspended over a plane of small pillars and confined to the focus of a vertical laser beam

Enhanced optical tweezer speeds up nanodiamond transport

Combination of laser beam and AC electric field yields fast, reliable control over nanoparticles’ positions

X-ray technique sheds fresh light on correlated metals

Combined experimental and theoretical approach reveals electronic correlations in quantum materials

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Related events

Optics and photonics | Conference SPIE Photonics West 2022 22—27 January 2022 | San Francisco, US
Quantum | Virtual event Openness as a resource: accessing new quantum states with dissipation 31 January — 4 February 2022
Optics and photonics | Conference Second International Scientific Conference on Lasers, Optics, Photonics & Sensors 10—12 June 2022 | Fort Lauderdale, US

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