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New method to generate photon pairs efficiently on a chip

Thin-film lithium niobate is an emerging nonlinear integrated photonics platform ideally suited for quantum applications. Through spontaneous parametric down-conversion (SPDC), it can generate correlated photon pairs for ...

Silicon metasurfaces unlock broad-spectrum infrared imaging

Infrared imaging technology is crucial for advancing our understanding of the world, from exploring biological specimens to inspecting complex materials and detecting hidden patterns in physical systems.

Atomic sensors unveil hidden dynamics of molecular polarization

Magnetic resonance imaging (MRI) has long been a cornerstone of modern medicine, providing highly detailed images of internal organs and tissues. MRI machines, those large, tube-shaped magnets commonly found in hospitals, ...

Hybrid fiber pump combiner could advance mid-IR laser systems

In the last two decades, the rapid advancement in applications such as environmental monitoring, medical diagnostics, and global positioning has intensified the focus on developing novel mid-IR light sources. Fiber-based ...

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Optics & Photonics
Quantum physicists tap into entanglement to improve the precision of optical atomic clocks
Optics & Photonics
Quantum register reaches 1,200 neutral atoms in continuous operation
Optics & Photonics
New photonics approach enhances quantum computation efficiency
Optics & Photonics
Smart new laser technology can monitor greenhouse gases faster, more sensitively
Condensed Matter
Highly sensitive quantum sensors for medicine: First successful demonstration of a dual-media NV diamond laser system
Optics & Photonics
AI predicts optical properties to speed up the discovery of energy and quantum materials
Optics & Photonics
Logic with light: Introducing diffraction casting, optical-based parallel computing
Optics & Photonics
Engineers create a chip-based tractor beam for biological particles
Optics & Photonics
Quantum research paves the way toward efficient, ultra-high-density optical memory storage
Optics & Photonics
As the Advanced Photon Source upgrade nears completion, scientists anticipate experimental possibilities
Optics & Photonics
Researchers observe hidden deformations in complex light fields
Optics & Photonics
Researchers harness liquid crystal structures to design simple, yet versatile bifocal lenses
Optics & Photonics
Scientists demonstrate advanced low-coherence BOCDR system using periodic pseudo-random modulation
Optics & Photonics
Headband-like device uses speckle contrast optical spectroscopy to predict stroke risk
Optics & Photonics
A new apparatus for analyzing partial coherence in integrated photonic networks
Optics & Photonics
Nonlinear optical metasurface achieves electrically tunable third-harmonic generation
Optics & Photonics
Research team succeeds in ultra-fast switching of tiny light sources
Condensed Matter
Discovering quasiparticles ejected from color centers in diamond crystals
Optics & Photonics
Inverse-design method enhances performance and reliability of on-chip spectrometers
Optics & Photonics
New upgrade will supercharge atomic vision of the world's most powerful X-ray laser

Other news

General Physics
Investigating the impact of ultralight dark matter on gravitational wave signals
Plants & Animals
Scientists find southern killer whales of the Pacific have access to enough food, deepening mystery of their struggles
Political science
Megastudy tests crowdsourced ideas for reducing political polarization
Other
Saturday Citations: Brown dwarf actually brown dwarfs; the adaptability of ice-age humans; archaeologists excited
Plants & Animals
Worms and snails handle the pressure 2,500m below the Pacific surface
Earth Sciences
Could injecting diamond dust into the atmosphere help cool the planet?
Astronomy
Physicists show that neutron stars may be shrouded in clouds of axions
Astronomy
First results from the Axion Dark-Matter Birefringent Cavity experiment establish a new technique for axion search
Environment
Global study reveals people, including those most affected by climate change, do not understand climate justice
Plants & Animals
Bumblebee queens choose to hibernate in pesticide-contaminated soil, scientists discover
Nanomaterials
New fabrication strategy enhances graphene aerogel sensitivity and durability for human-machine interfaces
Biochemistry
Team develops promising new form of antibiotic that makes bacterial cells self-destruct
Nanophysics
Controlling sound waves with Klein tunneling improves acoustic signal filtration
Biochemistry
Lignin molecular property discovery could help turn trees into affordable, greener industrial chemicals
Cell & Microbiology
Cellular senescence research identifies key enzyme to promote healthy aging
Plants & Animals
American lobster population and habitat preferences shifting, study finds
Cell & Microbiology
Scientists show how sperm and egg come together like a key in a lock
Earth Sciences
Scientists identify potential deep-ocean greenhouse gas storage solution
Analytical Chemistry
New strategy unlocks magnetic switching with hydrogen bonding at molecular level
Plants & Animals
Butterfly brains reveal the tweaks required for cognitive innovation

Laser physics: At the pulse of a light wave

Physicists in the Laboratory for Attosecond Physics at Ludwig-Maximilians-Universitaet (LMU) in Munich and at the Max Planck Institute for Quantum Optics (MPQ) have developed a novel type of detector that enables the oscillation ...

Randomness opens the gates to the land of attophotography

One of the last obstacles hindering the photography and filming of processes occurring on a scale of attoseconds, i.e. billionths of a billionth of a second, has disappeared. The key to its removal lies in the random nature ...

Attosecond control of an atomic electron cloud

Researchers at SAGA Light Source, the University of Toyama, Hiroshima University and the Institute for Molecular Science have demonstrated a method to control the shape and orientation of an electron cloud in an atom by tuning ...

Cutting through fog with laser focus

Research from The University of Queensland aimed at controlling light in scattering materials, such as fog or biological tissues, will benefit future biomedical imaging and telecommunications.

Field-resolved infrared spectroscopy of biological systems

Scientists at the Laboratory for Attosecond Physics have developed a unique laser technology for the analysis of the molecular composition of biological samples. It is capable of detecting minimal variations in the chemical ...

Researchers build a particle accelerator that fits on a chip

On a hillside above Stanford University, the SLAC National Accelerator Laboratory operates a scientific instrument nearly 2 miles long. In this giant accelerator, a stream of electrons flows through a vacuum pipe, as bursts ...

Flexible photonic crystal from liquid thin-film metasurface

Photonic crystals are predicted to be one of the wonders of the 21st century. In the 20th century, new understanding of the electronic band structure-the physics that determines when a solid conducts or insulates-revolutionized ...