Scientists Uncover Two Hidden Forms of Disorder in Next-Generation Semiconductors
In a twisted MoSe2/WSe2 moiré heterostructure, photoluminescence varies from point to point as excitons respond to both smooth…
Scientists Take a Major Step Toward Smaller, Cheaper Free-Electron Lasers
In the undulator, the electron beam from a compact laser-plasma accelerator interacts with a laser pulse. This interaction…
Scientists add third dimension to light and unlock hidden electron states
Some quantum states of electrons have remained out of reach not because they do not exist, but because…
The Physics That Curves a Ping-Pong Ball Just Showed Up in Quantum Light
Putting spin on a ping-pong ball changes its trajectory – a similar effect also occurs in the quantum…
Scientists Turn Sunlight Into Quantum Entanglement
Using a new cone-shaped solar concentrator, researchers showed that sunlight can be used to create entangled photons. This…
Single-mode lasers before the merger
A central problem in semiconductor lasers is deceptively simple: how can one increase optical performance without allowing unwanted…
Ultrafast triggering of strong coupling in a semiconductor terahertz Fabry-Pérot cavity
THz characterization of a photo-excited thin Si wafer When a semiconductor is excited above band-gap, its optical properties…
Scientists Reprogram How Light Travels in Just 74 Femtoseconds
Researchers have shown that nanoscale silicon structures can amplify an otherwise weak optical effect enough to control light…
Scientists Steer Infrared Light Through an “Invisible” Waveguide
Artist’s illustration of plasmon canalization in MoOCl₂, showing light propagating along a narrow channel. The image depicts the…
World’s First Photonic Time Crystal Can Reshape Light in Trillionths of a Second
A THz electromagnetic wave induces strong, fast temporal modulations that realize a photonic time crystal: a crystal lattice…
Oppo Find X10 Ultra’s 10x telephoto sensor reportedly split between two suppliers
ⓘ Weibo The Find X9 Ultra camera deco A new leak details two candidate 50MP sensors for the…
Topological Jackiw-Rebbi states in photonic Van der Waals heterostructures
Theoretical model for guided modes of photonic gratings Assuming continuous translational symmetry in the lateral y direction, the…