Chip-based devices improve practicality of quantum-secured communication
Researchers have demonstrated new chip-based devices that contain all the optical components necessary for quantum key distribution while increasing real-world security. The fast and cost-effective...
View ArticleScientists create quantum sensor that covers entire radio frequency spectrum
A quantum sensor could give Soldiers a way to detect communication signals over the entire radio frequency spectrum, from 0 to 100 GHz, said researchers.
View ArticlePhysicist develops new photon source for tap-proof communication
An international team has developed a new method for generating quantum-entangled photons in a spectral range of light that was previously inaccessible. The discovery can make the encryption of...
View ArticleTiny optical cavity could make quantum networks possible
Engineers have shown that atoms in optical cavities could be foundational to the creation of a quantum internet.
View ArticleQuantum-entangled light from a vibrating membrane
Researchers recently entangled two laser beams through bouncing them off the same mechanical resonator, a tensioned membrane. This provides a novel way of entangling disparate electromagnetic fields,...
View ArticleSmartphone videos produce highly realistic 3D face reconstructions
Normally, it takes pricey equipment and expertise to create an accurate 3D reconstruction of someone's face. Now, researchers have pulled off the feat using video recorded on an ordinary smartphone....
View ArticleLow-cost imaging system poised to provide automatic mosquito tracking
Mosquito-transmitted diseases such as malaria, dengue and yellow fever are responsible for hundreds of thousands of deaths every year. A new low-cost imaging system could make it easier to track...
View ArticleQuantum entanglement offers unprecedented precision for GPS, imaging and beyond
Engineers have demonstrated for the first time that it's possible to connect a network of sensors through quantum entanglement. The experiment opens a door to unprecedented levels of sensitivity in GPS...
View ArticlePhotonic microwave generation using on-chip optical frequency combs
Using integrated photonic chips, scientists have demonstrated laser-based microwave generators. These microwave signals, as well as their optical carriers, could be used in radars, satellite...
View ArticleResearchers solve 'link discovery' problem for terahertz data networks
A team of researchers has demonstrated a way to help devices to find each other in the ultra-fast terahertz data networks of the future.
View ArticleLight, sound, action: Extending the life of acoustic waves on microchips
Data centres and digital information processors are reaching their capacity limits and producing heat. Foundational work here on optical-acoustic microchips opens door to low-heat, low-energy, fast...
View ArticleResearchers boost microwave signal stability a hundredfold
Researchers have used state-of-the-art atomic clocks, advanced light detectors, and a measurement tool called a frequency comb to boost the stability of microwave signals 100-fold. This marks a giant...
View ArticleWorld's fastest internet speed from a single optical chip
A research team has recorded the world's fastest internet speed from a single optical chip of 44.2 Terabits per second.
View ArticleRecord-high data transmission using a soliton crystal
Researchers have achieved world record-high data transmission over 75 km of standard optical fiber using a powerful class of micro-comb called soliton crystals.
View ArticleAdding noise for completely secure communication
How can we protect communications against 'eavesdropping' if we don't trust the devices used in the process? This is one of the main questions in quantum cryptography research. Researchers have now...
View ArticleStrainoptronics: A new way to control photons
Researchers discovered a new way to engineer optoelectronic devices by stretching a two-dimensional material on top of a silicon photonic platform.
View ArticleUsing cellular networks to detect at-risk areas for spread of COVID-19
In the fight against COVID-19, researchers have developed a new, non-invasive strategy to identify areas at greatest risk for spreading the disease. The team is drawing on data from existing cellular...
View ArticleNo association found between exposure to mobile devices and brain volume...
A new study of 2,500 Dutch children is the first to explore the relationship between brain volume and different doses of radiofrequency electromagnetic fields.
View ArticleNew technology speeds up organic data transfer
An international research team developed visible light communication (VLC) setup capable of a data rate of 2.2 Mb/s by employing a new type of organic light-emitting diodes (OLEDs).
View ArticleRandomness theory could hold key to internet security
Researchers identified a problem that holds the key to whether all encryption can be broken -- as well as a surprising connection to a mathematical concept that aims to define and measure randomness.
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