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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 ...

New photonics approach enhances quantum computation efficiency

A recent study, published in Nature Photonics, by Prof. Yaron Bromberg and Dr. Ohad Lib from the Racah Institute of Physics at the Hebrew University of Jerusalem has made significant strides in advancing quantum computing ...

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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
Optics & Photonics
A versatile approach to realize quantum-enhanced metrology with large Fock states
Optics & Photonics
Shrinking augmented reality displays into eyeglasses to expand their use
Optics & Photonics
Ultra-high speed camera for molecules: Attosecond spectroscopy captures electron transfer dynamics
Condensed Matter
New insights into hot carrier solar cells: Study explores hot electron tunneling and collection to enhance efficiency
Optics & Photonics
Physicists use quantum correlations of photon pairs to hide images from standard cameras

Other news

Political science
Democrats and Republicans agree on one thing: Censoring hate speech
Environment
Forever chemicals found in bottled and tap water from around the world
Cell & Microbiology
Protein signaling pathway provides insights into cell migration and cancer metastasis
Analytical Chemistry
New method for measuring luminescence lifetime offers versatility in scientific imaging
Plants & Animals
Higher oxytocin levels linked to reproductive success and better cooperation in house mice
Archaeology
In search of evidence of ancient human existence, researchers traverse the inhospitable Namib desert
Biochemistry
Plant fungus provides new drug target for colorectal cancer therapy
Ecology
Plankton balloon to six times their size in newly discovered mode of oceanic travel
Condensed Matter
Physicists report emergence of ferromagnetism at onset of Kondo breakdown in moiré bilayer lattices
Astronomy
'Old' star could provide new insights into star evolution
Planetary Sciences
Second exoplanet detected orbiting an early G-type star
Plants & Animals
Cats associate human words with images, experiment suggests
Ecology
Soil's secret language: Researchers decode plant-to-fungi communication
Polymers
Scientists discover fastest degrading bioplastic in seawater
Quantum Physics
Quantum scaling recipe: ARQUIN provides framework for simulating distributed quantum computing system
Earth Sciences
Calcium reduces COâ‚‚ emissions from Arctic soils through mineral formation, study shows
Cell & Microbiology
Microbe opens the door to carbon dioxide–driven manufacturing
General Physics
China's underground lab seeks answer to deep scientific riddle
Evolution
City microbes surviving on disinfectants, research reveals
Archaeology
'Getting high' in Paleolithic hunting: Elevated positions enhance javelin accuracy but reduce atlatl efficiency

Valley Hall nanoscale lasers developed

Topological photonics underpins a promising paradigm for robust light manipulation, as well as smart design of optical devices with improved reliability and advanced functionalities that are governed by the nontrivial band ...

A survey on optical memory and optical RAM technologies

Over the past decades, 'storing light' has appeared as a rather controversial concept, given that a photon's inherent nature hinders its spatial confinement. The first research efforts in demonstrating optical memory functionality ...

Topological photonics in fractal lattices

Topological insulators are a new phase of matter unique for their insulating bulk and perfectly conducting edges. They have been at the forefront of condensed matter physics for the past decade, and more recently inspired ...

Temporal aiming with temporal metamaterials

Tailoring and manipulating electromagnetic wave propagation has been of great interest within the scientific community for many decades. In this context, wave propagation has been engineered by properly introducing spatial ...

Physicists find ways to control gamma radiation

Researchers from Kazan Federal University, Texas A&M University and Institute of Applied Physics (Russian Academy of Sciences) found ways to direct high frequency gamma radiation by means of acoustics.

SLAC's upgraded X-ray laser facility produces first light

Just over a decade ago in April 2009, the world's first hard X-ray free-electron laser (XFEL) produced its first light at the U.S. Department of Energy's SLAC National Accelerator Laboratory. The Linac Coherent Light Source ...

Fast and flexible computation of optical diffraction

Diffraction is a classic optical phenomenon accounting for light propagation. The efficient calculation of diffraction is of significant value towards the real-time prediction of light fields. The diffraction of electromagnetic ...