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Optics & Photonics
Lasers, photonic chips, fiber optics, and light‑matter interactions.
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Singular Photonics' Litavis is the first SPAD sensor that thinks inside the pixel
2+ hour, 59+ min ago (105+ words) Gagadget.com The pixel as processor Not for your phone — yet Where to see it - What's the best conference room webcam for hybrid meetings that doesn't make everyone look terrible?? - If AI becomes conscious tomorrow, which one of you cowards…...
Researchers Unlock Quantum Infrared Sensing With A New Screen
5+ hour, 13+ min ago (208+ words) The core-shell alloyed structure of the UCNPs is not merely architectural; it directly addresses a limitation of conventional upconversion materials. The higher overall lanthanide content within the alloyed UCNPs enables brighter emission, an important factor when detecting faint infrared signals....
Physicists discover a hidden “curveball” in quantum light
5+ hour, 2+ min ago (255+ words) 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 from the beam’s center. The unexpected shift is similar to the physics that makes…...
Applied Sciences, Vol. 16, Pages 9077: Conditional Deep Convolutional GAN for the Design of High-Performance Periodic Absorber Metasurfaces
10+ hour, 29+ min ago (271+ words) This work presents a conditional deep convolutional generative adversarial network (CDCGAN) for the inverse design of high-absorptance periodic metasurfaces (MSs) with different geometries. The conditioning mechanism encodes geometric and spectral parameters. A key innovation is the inclusion of unit cells…...
Physicists Transfer Twisted Microwave Signals Into Light With Striking
11+ hour, 24+ min ago (649+ words) Every quantum network ever proposed faces the same awkward problem: the superconducting circuits that store and process quantum information speak in microwaves, while the optical fibers that carry signals across cities and continents speak in light....
A Century-Old Physics Effect Just Got a New Dimension
17+ hour, 52+ min ago (417+ words) Physicists have uncovered an in-plane Hall response that overturns a century-old assumption about how this famous electrical effect works. The discovery could eventually make multidirectional magnetic sensing possible with one tiny device....
U.S. Begins Yearlong Directed Energy Counter-Drone Trials Across Five Military Bases.
3+ day, 11+ hour ago (702+ words) The Pentagon has moved directed-energy counter-drone systems into yearlong operational trials at U.S. military bases to assess their readiness for routine installation defense. The effort will... U.S. Begins Yearlong Directed Energy Counter-Drone Trials Across Five Military Bases. The Pentagon has moved directed-energy…...
Chip-Sized Plasma Switch Fires Picosecond Pulses to Flip Magnetic Memory
18+ hour, 21+ min ago (658+ words) For decades, one of the most stubborn bottlenecks in building faster, greener computer memory has been a simple question of timing: how do you deliver an electrical pulse short enough and powerful enough to flip a magnetic bit in a…...
Simulating the Split Second: How Femtosecond Lasers Carve Titanium, Atom by
19+ hour, 21+ min ago (637+ words) Titanium is one of the most demanding materials in modern manufacturing. It is strong, lightweight, corrosion-resistant, and biocompatible, which makes it indispensable for aerospace components, medical implants, and precision microdevices. Yet those same qualities make titanium notoriously difficult to machine…...