Latest updates for Optical Physics

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Recent items include:

  • To detect deepfake videos, researchers turn to the physics of light
  • Optical vortices provide a natural way to create topologies
  • Exciton wavefunctions come into view

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physicsworld.com /1 day ago

To detect deepfake videos, researchers turn to the physics of light

New technique claims 97.8% accuracy and uses less energy than digital neural networks with similar performance The post To detect deepfake videos, researchers turn to the physics o...

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physicsworld.com /1 month ago

Optical vortices provide a natural way to create topologies

New work suggests that building nontrivial topologies around optical vortices could be a better strategy than engineering delicate polarisation patterns across an entire beam The p...

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physicsworld.com /3 weeks ago

Exciton wavefunctions come into view

New work could lead to improvements in organic photovoltaics The post Exciton wavefunctions come into view appeared first on Physics World.

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physicsworld.com /1 month ago

Skyrmion topology makes long-distance optical communications more robust

New work will help advance the development of more reliable free-space networks The post Skyrmion topology makes long-distance optical communications more robust appeared first on...

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nanowerk.com /1 week ago

New photonic chip detects properties that could make optical devices more robust

A programmable photonic chip detects topological properties in simulated energy-losing systems, offering a new way to investigate the physics behind potentially more robust optical...

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scitechdaily.com /1 month ago

New Twist on the Einstein Problem Reveals Unexpected Physics

Optical structures based on the Smith hat produced unusual light patterns that reflected their lack of mirror symmetry and changed with light direction and polarization. The Smith...

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scitechdaily.com /1 month ago

The Physics That Curves a Ping-Pong Ball Just Showed Up in Quantum Light

Researchers have directly observed the optical Magnus effect for the first time, revealing a tiny shift in laser interactions that could affect the precise control of qubits in qua...

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physicsworld.com /1 week ago

A new route to spin-controlled photonics

Researchers demonstrate Rashba-like spin splitting in a perfectly symmetric plasmonic crystal, challenging conventional assumptions about the role of structural asymmetry The post...

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link.aps.org /1 month ago

Tuning Light Polarization with Quantum Geometry

Author(s): Michael SchirberA crystal with special geometric properties can be optically driven to produce an output beam with any desired polarization.[Physics 19, s113] Published...

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nanowerk.com /1 month ago

Optical Magnus effect observed for the first time in a trapped ion

Physicists directly observe the optical Magnus effect for the first time, revealing a nanoscale shift in laser–ion interactions that could affect qubit control.

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physicsworld.com /1 month ago

Plasmonic metamaterial makes a photonic time crystal

New nanostructure could be used to make lasers that work in the terahertz frequency range The post Plasmonic metamaterial makes a photonic time crystal appeared first on Physics Wo...

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physicsworld.com /1 month ago

Metasurface optical device boosts nonlinear frequency conversion

Nanostructured device efficiently transforms light into different frequencies – including those at technologically important near-infrared wavelengths The post Metasurface optical...

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scitechdaily.com /2 weeks ago

Two Laser Pulses Unlock Electron States Physicists Had Never Reached Before

Two ultrashort laser pulses crossed in space have unlocked previously inaccessible electron states. At the point where two ultrashort laser pulses cross, physicists can now make li...

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nanowerk.com /1 month ago

Laser annealing enables optical isolators integrated directly on silicon photonics chips

A laser annealing method integrates optical isolators directly onto silicon photonics chips, reducing back-reflected light by about 95% without damaging surrounding components.

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physicsworld.com /1 month ago

Above-average correlative materials characterization

Bringing measurements across time, space and spectrum together is revealing the hidden dynamics of innovative optoelectronic devices and novel semiconductor materials The post Abov...

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physicsworld.com /4 weeks ago

What can cutting a photon in half tell us about causality and local equivalence?

Calculations identify complicated consequences of removing a mirror The post What can cutting a photon in half tell us about causality and local equivalence? appeared first on Phys...

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sciencedaily.com /1 month ago

Physicists discover a hidden “curveball” in quantum light

Researchers have experimentally demonstrated the optical Magnus effect for the first time, revealing that a tightly focused laser interacts most strongly with an atom slightly away...

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nanowerk.com /1 month ago

Subtle wave plate imperfections enable billion-fold laser suppression

Subtle variations in wave plates can reshape light beams, enabling billion-fold laser suppression and more sensitive optical measurements.

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nanowerk.com /3 weeks ago

Using three-dimensional light fields to control electrons

Physicists generate 3D light fields that place electrons in previously inaccessible quantum states, opening new ways to study chiral molecules.

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link.aps.org /2 weeks ago

Quantum Light Leaves Its Fingerprint on Electrons

Author(s): Ryan WilkinsonWhen intense quantum light knocks electrons out of atoms, the statistics of the light can be transferred to the electrons.[Physics 19, s123] Published Wed...

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fstoppers.com /1 month ago

Lens Flare and The Incredible Physics of Modern Lenses

A bare, uncoated air-to-glass surface sends roughly 4 percent of the light striking it back the way it came, and a current professional 24-70mm f/2.8 zoom stacks about 30 of those...

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thequantuminsider.com /1 month ago

MIT’s Robotic Optics Lab Could Speed Testing for Quantum Technology

Insider Brief PRESS RELEASE — Every new generation of phone display, television screen, and solar panel is a result of precision optics experiments, which use lasers and other ligh...

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link.aps.org /1 week ago

Time Delay Probes Quantum Light

Author(s): Ryan WilkinsonPhotoelectron interference can reveal otherwise hidden properties of quantum light through an apparent attosecond time shift.[Physics 19, s125] Published T...

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webwire.com /1 month ago

Fabrication platform could enable flexible, transparent next-generation photonic chips

The field of silicon photonics, which uses light rather than electricity to transmit and process data on semiconductor chips, has enabled optical systems to evolve from bulky setup...

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