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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
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
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
Optics & Photonics
A versatile approach to realize quantum-enhanced metrology with large Fock states

Other news

Plants & Animals
Bumblebee queens choose to hibernate in pesticide-contaminated soil, scientists discover
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
Earth Sciences
Scientists identify potential deep-ocean greenhouse gas storage solution
Cell & Microbiology
Single-molecule imaging reveals aberrant DNA-binding dynamics of cancer-linked chromatin remodelers
Condensed Matter
Key role of structural defects in amorphous solid deformation uncovered
Nanomaterials
New fabrication strategy enhances graphene aerogel sensitivity and durability for human-machine interfaces
Biotechnology
Molecular 'cut and sew' process could accelerate drug design
Astronomy
First results from the Axion Dark-Matter Birefringent Cavity experiment establish a new technique for axion search
Cell & Microbiology
Researchers find new role for protein in combating age-related diseases
Environment
Global study reveals people, including those most affected by climate change, do not understand climate justice
Cell & Microbiology
Scientists show how sperm and egg come together like a key in a lock
Nanophysics
Fast-responding colorimetric sensor for real-time monitoring has expanded color gamut
Evolution
Extremely well-preserved fossil sawfly sheds new light on co-evolution of insects and toxic plants
Plants & Animals
Scientists create new overwintering sites for monarch butterflies on a warming planet
Economics & Business
Philosopher finds glitch in worldwide patent laws
Astronomy
Astronomers detect ancient lonely quasars with murky origins
Astronomy
Rare ultra-luminous nova spotted in the Small Magellanic Cloud
Astronomy
A near-Earth microquasar emerges as a source of powerful radiation
Astronomy
Imaging X-ray Polarimetry Explorer helps researchers determine shape of black hole corona

Avalanche photodiode breaks performance record for LiDAR receivers

Electrical and computer engineers at the University of Virginia and University of Texas-Austin have developed an avalanche photodiode that achieved record performance and has the potential to transform next generation night-vision ...

Performing optical logic operations by a diffractive neural network

Optical logical operations have sparked major interest in the past decade since they can enable many applications, particularly those involving high-throughput and on-the-fly data processing such as secured wireless communication ...

Saturable plasmonic metasurfaces for laser mode locking

Plasmonic metasurfaces are artificial 2-D sheets of plasmonic unit cells repeated in a subwavelength array, which give rise to unexpected wave properties that do not exist in nature. In the linear regime, their applications ...