Physics
Light Beams Trapped in Warm Rubidium Vapor Form Discrete Solitons for the First Time
Croatian physicists built an optical lattice out of laser interference in atomic gas and showed a beam can hold its shape inside it.
Topic
Quantum optics
10 stories from Planck Standard. Latest: October 29, 2026.
PhysicsAn AI That Designs Physics Experiments Beat Human-Built Setups, Nature Reports
Instead of a chatbot, the method treats lab design as a search problem over lasers, lenses and detectors. It has produced better designs for gravitational-wave detectors, fusion reactors and microscopes.
PhysicsAtoms Normally Shine in Every Direction
Reported in Physical Review Letters, the trick is timing: match the speed of the atoms' motion to the length of the light pulse they emit together, and up to 89% of the light goes one direction. No mirrors, no lattice, no chiral structure required.
PhysicsA Single Trapped Calcium Ion Showed a Laser Beam's Grip Is Strongest a Few Hundred Nanometers Off Center
The sideways shift depends only on the light's wavelength, not on how tightly the beam is focused. For trapped-ion quantum computers it is either a new source of error or a new way to couple qubits.
PhysicsLSU Built a 40-Photon Quantum Machine Out of Ordinary Laser Light
Instead of coaxing fragile quantum states into existence, physicists sent bright classical light through a random optical network and counted photons one at a time on the way out, exposing hidden multiphoton quantum behavior with 861 measurable components that survives noise and loss.
PhysicsThey Gave an AI a Bench Full of Lasers and Mirrors. It Returned Experiments Physicists Had Not Thought Of
A Nature paper from Mario Krenn's group shows algorithms designing setups for quantum optics, electron microscopy, gravitational-wave detectors and fusion machines that beat the human versions.
PhysicsPhysicists Made Quantum Entanglement Out of Raw Sunlight. No Laser Anywhere in the Setup
A Fresnel lens, a cone-shaped concentrator and a millimeter of crystal produced photon pairs 94% faithful to a perfect entangled state — and they violated Bell's inequality.
PhysicsSunlight Powers Quantum Ghost Imaging in Breakthrough That Could Work Anywhere
Chinese researchers generate quantum-linked photon pairs using only natural sunlight, achieving 90.7% imaging quality comparable to laboratory lasers.
PhysicsScientists Discover Hidden Gravitational Wave Signals in Light Emitted by Atoms
Revolutionary theory proposes detecting cosmic ripples through subtle frequency shifts in atomic light emission, potentially enabling ultra-compact detectors.
- Physics
Scientists Create Miniature 'Light Traps' That Supercharge Ultra-Thin Semiconductors
New hollow cavity design boosts brightness 20 times and nonlinear signals 25 times in atom-thick materials, overcoming major limitation.
