How to Cloak an Object to Become Invisible to a Thermal Camera
Theoretical method can make objects invisible to a thermal camera, or mimic a different object. Can you feel the heat? To a thermal camera, which…
Optics
Secret to Building Superconducting Quantum Computers With Massive Processing Power
Optical Fiber Could Boost Power of Superconducting Quantum Computers The secret to building superconducting quantum computers with massive processing power may be an ordinary telecommunications…
Dual Character of Excitons in Extreme Ultrafast Time Scales: Atomic-Like or Solid-Like?
Excitons are quasiparticles that can transport energy through solid substances. This makes them important for the development of future materials and devices — but more…
Complex Shapes of Photons for Fast Photonic Quantum Computations and Safe Data Transfer
Researchers at Tampere University Photonics Laboratory have demonstrated how two interfering photons can bunch into various shapes. These complex shapes are beneficial for quantum technologies,…
“Breaking” the Laws of Physics: Steering Light to Places It Isn’t Supposed to Go
Light that is sent into a ‘photonic crystal’, can’t go deeper than the so-called Bragg length. Deeper inside the crystal, light of a certain color…
Nano Flashlight Enables New Applications of Light – Such As Detecting Viruses
Design of miniature optical systems could lead to future cell phones that can detect viruses and more. In work that could someday turn cell phones…
Physicists Demonstrate Swarm of Photons That Somersault in Lockstep
Spinning or rotating objects are commonplace, from toy tops and fidget spinners to spinning figure skaters. And from water circling a drain to far less…
Record-Breaking Laser Pulses Allow Astrophysical Phenomena to Be Studied in the Lab
Researchers have demonstrated a record-high laser pulse intensity of over 1023 W/cm2 using the petawatt laser at the Center for Relativistic Laser Science (CoReLS), Institute…
A New Way to Make AR/VR Glasses: Freeform Optics Combined With Metasurface to Avoid “Bug Eyes”
“Image” is everything in the $20 billion market for AR/VR glasses. Consumers are looking for glasses that are compact and easy to wear, delivering high-quality…
Laser Light Makes a Comeback (Literally): New Phenomenon Discovered
Researchers from Osaka University discover phenomenon of reciprocating propagation of laser pulse intensity in free space. Straight-line constant-speed propagation in free space is a basic…
Scientists Discover That the Shape of Light Changes Our Vision
Scientists at the UNIGE have shown that the response of the retina to light depends not only on the intensity of the light perceived by…
Illuminating Dark, Underground Spaces: Scientists Design “Smart” Device to Harvest Daylight
Device can be used to illuminate dark, underground spaces in daytime. A team of Nanyang Technological University, Singapore (NTU Singapore) researchers has designed a ‘smart’…
New Optical Device Allows Engineers To Fine Tune the Color of Light
A new sort of optical device allows engineers to change the frequencies of individual photons, putting new capabilities in engineers’ hands. Among the first lessons…
MIT Develops Nanostructured Device That Stops Light in Its Tracks
MIT researchers develop compact on-chip device for detecting electric-field waveforms with attosecond time resolution. Understanding how light waves oscillate in time as they interact with…
6G and Beyond: Silicon Multiplexer Chip Will Drive Next Generation Communications
A new design of ultra-small silicon chip called a multiplexer will effectively manage terahertz waves which are key to the next generation of communications: 6G…
Smart Glass Has a Bright Future: Daylight Steering Provide Huge Energy Savings
Light modulation via optical MEMS microshutter and micromirror arrays could provide huge energy savings. Buildings are responsible for 40 percent of primary energy consumption and…
Stunning First 3D Super-Resolution Images Captured Inside Living Mice
New STED technique enables deep-tissue imaging, reveals subcellular dynamics of neurons. Researchers have developed a new microscopy technique that can acquire 3D super-resolution images of…
Optimal Information About the Invisible: Measuring Objects That You Can’t See
How do you measure objects that you can’t see under normal circumstances? Utrecht University and TU Wien (Vienna) open up new possibilities with special light…