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New topological metamaterial amplifies sound waves exponentially

Researchers at AMOLF, in collaboration with partners from Germany, Switzerland, and Austria, have realized a new type of metamaterial through which sound waves flow in an unprecedented fashion. It provides a novel form of ...

Ultrafast plasmonics for all-optical switching and pulsed lasers

Plasmonics is playing a crucial role in advancing nanophotonics, as plasmonic structures exhibit a wide range of physical characteristics that are benefited by localized and intensified light-matter interactions. These properties ...

Exploring trends in AI-fueled metaphotonics research

A research team has published a paper in Current Opinion in Solid State and Materials Science highlighting the next generation of research trends that combine metaphotonics research with artificial intelligence.

High-quality microwave signals generated from tiny photonic chip

In a new Nature study, Columbia Engineering researchers have built a photonic chip that is able to produce high-quality, ultra-low-noise microwave signals using only a single laser. The compact deviceā€”a chip so small, it ...

Using polarization to improve quantum imaging

Quantum imaging is a growing field that takes advantage of the counterintuitive and "spooky" ability of light particles, or photons, to become linked, or entangled, under specialized circumstances. If the state of one photon ...

Combating counterfeiting: Advanced hologram protection invented

Counterfeiting of various documents, banknotes, or tickets is a common problem that can be encountered in everyday life, even when shopping. Recognizing the scale and seriousness of the problem, researchers at Kaunas University ...

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Optics & Photonics
Continuous non-invasive glucose sensing on the horizon with the development of a new optical sensor
Optics & Photonics
A method to accurately center quantum dots within photonic chips
Condensed Matter
Spectroscopy and theory shed light on excitons in semiconductors
Optics & Photonics
2D optoelectronic neuron array achieves broadband and low-loss optical nonlinearity accessible with ambient light
Optics & Photonics
Holographic message encoded in simple plastic
Optics & Photonics
Projection mapping leaves the darkness behind
Condensed Matter
Brighter, cheaper blue light could revolutionize screen technology
Optics & Photonics
Ultra-flat optics for broadband thermal imaging
Optics & Photonics
Researchers develop a new strategy to enhance blue perovskite LED performance
Optics & Photonics
Direct laser writing on halide perovskites: From mechanisms to applications
Optics & Photonics
Chiral transmission by an open evolution trajectory in a non-Hermitian system
Optics & Photonics
New excitation method of stimulated Raman scattering achieves natural-linewidth-limit spectral lines
Optics & Photonics
Quantum dance to the beat of a drum: Researchers observe how energy of single electron is tuned by surrounding atoms
Optics & Photonics
Researchers prove fundamental limits of electromagnetic energy absorption
Optics & Photonics
Researchers develop a new type of frequency comb that promises to further boost the accuracy of timekeeping
Optics & Photonics
Researchers achieve quantum key distribution for cybersecurity in novel experiment
Condensed Matter
How to upcycle low-energy light: A new design for highly efficient conversion materials
Optics & Photonics
Researchers generate super-fast electrons with table-top laser systems
Optics & Photonics
Polarization-sensitive tomography made easy with tensorial tomographic Fourier ptychography
Optics & Photonics
Team achieves successful mass production of metalenses designed for application in the ultraviolet region

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Plants & Animals
Study suggests starvation decimated gray whales off the Pacific Coast: Can the giants ever recover?
Archaeology
Study reveals evidence of violence at a time of crisis in ancient Peru
Plants & Animals
Discovering van Gogh in the wild: Scientists unveil a new gecko species
Plants & Animals
The lyrebird synchronizes elements of its mating dance
Analytical Chemistry
Chemists develop method to confirm mRNA vaccine stability
Astronomy
Faintest known star system orbiting the Milky Way discovered
Earth Sciences
Study finds landfill point source emissions have an outsized impact and present opportunity to tackle US waste methane
Molecular & Computational biology
Researchers discover key gene for toxic alkaloid in barley
Environment
New approach to monitoring freshwater quality can identify sources of pollution, predict their effects
Plants & Animals
Study finds wild nematode worms learn to avoid harmful bacteriaā€”and their offspring inherit this knowledge
Cell & Microbiology
Memories of mitosis: Molecular mechanism that detects defects during cell division could aid cancer treatment
Veterinary medicine
Tuberculosis vaccine may enable elimination of the disease in cattle by reducing its spread
Environment
Blueprint for mandating indoor air quality for public buildings in form of standards
Earth Sciences
Fukushima fallout transport longevity revealed by North Pacific ocean circulation patterns
Quantum Physics
Quantum computing just got hotter: One degree above absolute zero
Quantum Physics
A method to compute the RĆ©nyi entanglement entropy in auxiliary-field quantum Monte Carlo simulations
Plants & Animals
When inequality is more than 'skin-deep': Social status leaves traces in the epigenome of spotted hyenas in Tanzania
Materials Science
Storing electrons from hydrogen for clean chemical reactions
Molecular & Computational biology
Cross-species insights: Study finds calcium link in plant and animal immunity
Analytical Chemistry
New method provides automated calculation of surface properties in crystals