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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 ...

More news

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

Other
Saturday Citations: Brown dwarf actually brown dwarfs; the adaptability of ice-age humans; archaeologists excited
Political science
Megastudy tests crowdsourced ideas for reducing political polarization
Plants & Animals
Worms and snails handle the pressure 2,500m below the Pacific surface
Nanophysics
Controlling sound waves with Klein tunneling improves acoustic signal filtration
Cell & Microbiology
Cellular senescence research identifies key enzyme to promote healthy aging
Biochemistry
Lignin molecular property discovery could help turn trees into affordable, greener industrial chemicals
Plants & Animals
American lobster population and habitat preferences shifting, study finds
Earth Sciences
Could injecting diamond dust into the atmosphere help cool the planet?
Astronomy
First results from the Axion Dark-Matter Birefringent Cavity experiment establish a new technique for axion search
Plants & Animals
Bumblebee queens choose to hibernate in pesticide-contaminated soil, scientists discover
Astronomy
Physicists show that neutron stars may be shrouded in clouds of axions
Nanomaterials
New fabrication strategy enhances graphene aerogel sensitivity and durability for human-machine interfaces
Environment
Global study reveals people, including those most affected by climate change, do not understand climate justice
Biochemistry
Team develops promising new form of antibiotic that makes bacterial cells self-destruct
Analytical Chemistry
New strategy unlocks magnetic switching with hydrogen bonding at molecular level
Plants & Animals
Butterfly brains reveal the tweaks required for cognitive innovation
Earth Sciences
Scientists identify potential deep-ocean greenhouse gas storage solution
Analytical Chemistry
Leveraging skyscraper architecture: New design enhances porosity and structural stability for metal-organic frameworks
Cell & Microbiology
Team achieves successful reproduction of hematopoietic stem cell developmental process in an in vitro culture system
Earth Sciences
Scientists untangle the challenging complexities of radiocarbon in ice cores

On-chip single-mode CdS nanowire laser

In recent years, increasing attention has been paid to the integration of active nanowires with on-chip planar waveguides for on-chip light sources. Towards this goal, scientists in China demonstrated a highly compact on-chip ...

Symmetry-enforced three-dimension Dirac phononic crystals

Dirac semimetals are critical states of topologically distinct phases. Such gapless topological states have been accomplished by a band-inversion mechanism, in which the Dirac points can be annihilated pairwise by perturbations ...

First ultra-low threshold continuous-wave lasing in GeSn

Transistors in computer chips work electrically, but data can be transmitted more quickly with light. Researchers have therefore been looking for a way to integrate a laser directly into silicon chips for a long time. A team ...

A nanoscale laser made of gold and zinc oxide

Tiny particles composed of metals and semiconductors could serve as light sources in components of future optical computers, as they are able to precisely localize and extremely amplify incident laser light. A team from Germany ...