Quantum dot–based time-bin QKD achieves stable, long-distance secure communication with practical performance. Quantum key distribution…
Browsing: Optics
Optics is the branch of physics that studies the behavior and properties of light, including its interactions with matter and the design of instruments that use or detect it. From understanding reflection, refraction, and diffraction to advancing technologies like lasers, fiber optics, and imaging systems, optics plays a foundational role in both scientific research and everyday applications. It’s also key to fields like astronomy, medicine, telecommunications, and quantum computing. This page features the latest developments in optical science, showcasing discoveries that are shaping our ability to observe, manipulate, and harness light in innovative ways.
A team of physicists has pushed the limits of quantum control by cooling the rotational…
Researchers generated stable vortex light in its lowest-energy state using liquid crystal traps and optical…
A new laser-powered wireless system uses light to deliver data at speeds exceeding 360 Gbps.…
Researchers have created an ultra-compact nanolaser that could transform how data moves within microchips, replacing…
A breakthrough holographic system uses AI and multidimensional light to store vastly more data in…
A long-standing limitation in photonics may be giving way to a new regime of light…
Scientists have found a way to trap light in an extremely thin layer, potentially reshaping…
A new ultrathin photodetector captures light across the full spectrum in just 125 picoseconds, opening…
Scientists are exploring a new type of optical atomic clock based on ytterbium-173 ions that…
A new quantum communication method uses the temporal Talbot effect to simplify high-dimensional quantum key…
A twisted pair of photonic crystals integrated with MEMS can dynamically control the handedness of…
A newly studied ferroelectric crystal can tune and manipulate ultraviolet and blue light in ways…
A tiny metasurface chip can turn invisible infrared light into steerable visible beams, opening the…
Scientists have built tiny “light racetracks” that could supercharge the next generation of sensors and…
Using gold flakes, salt water, and light, scientists have made the universe’s invisible binding forces…
A laser-written glass chip shows how fragile quantum signals can be decoded with high stability…
A newly developed fiber-optic microphone demonstrates how light-based sensing can overcome the limitations of conventional…