Designing Dirac vortex topological photonic crystal fibres
Optical fibres made of topological photonic crystals allow improved versatility and control across the modes and polarization of light they transmit. Compositionally, photonic crystals contain bandgaps to prevent the passage of light relative to spec.....»»
Room-temperature continuous-wave topological Dirac-vortex microcavity lasers on silicon
With the explosive growth of data traffic, it is highly desired to develop hybrid photonic integrated circuits combining various optical components on a single chip......»»
A new formula to calculate the strength of thin conical structures
Conical structures can have advantageous applications in a variety of fields, ranging from robotics to civil engineering. Studies have found that conical shells made of liquid crystal elastomer films can be effective lifters; devices that can generat.....»»
More heat waves and vanishing snow: The lake Tahoe basin"s future on a warming planet
Lake Tahoe is known for its crystal-clear blue water, scenic mountain backdrop, and world-class recreation opportunities. Unfortunately, the lake and surrounding basin aren't insulated from global climate change......»»
Daily deals Oct. 22: M1 MacBook Air $799, Apple Watch Ultra $694, 3 free months of Sirius XM, more
Today's hottest deals include $70 off an M2 Mac mini, a Baseus portable charger for $15, 62% off HiFiMan Sundara Hi-Fi headphones, 64% off a Rosewill Vortex midt-tower computer case, and more.The AppleInsider staff combs the internet for top-notch ba.....»»
Pacific footballfish makes rare appearance on Orange County beach
For the second time in three years, a rare and otherworldly looking black anglerfish was found at Newport Beach's Crystal Cove State Park, showing up on Friday the 13th with its gaping mouth, jagged, translucent teeth and spiny dorsal fin......»»
New technique accomplishes precise control of photonic angular momentum
Rotating objects carry angular momentum; this fact extends even to the tiniest of particles, such as photons. Photons possess not one but two distinct forms of angular momentum: spin angular momentum (SAM) and orbital angular momentum (OAM)......»»
New photonic chips for high-capacity data transmissions
With the growth in artificial intelligence (AI), 5G systems, cloud computation, and the Internet of Things, transmitters with extremely high capacities are required for data communication. Ultrafast optical modulation is an essential technology for h.....»»
Manipulating nonlinear exciton polaritons in a WS2 monolayer with artificial lattices
Exciton polaritons, hybrid quasiparticles caused by the strong exciton-photon coupling, constitute a unique prototype for studying many-body physics and quantum photonic phenomena traditionally in cryogenic conditions......»»
High-speed electro-optic modulation in topological interface states of a one-dimensional lattice
Electro-optic modulators, which convert signals from the electrical to the optical domain, are at the heart of optical communications, terahertz wireless communications, microwave signal processing, and quantum technology. Next-generation electro-opt.....»»
Pathlight CEO explains how its AI agents will perform customer research 24/7
Pathlight CEO and co-founder Alexander Kvamme delved into the advantages and hurdles of designing an AI system. Pathlight CEO and co-founder Alexander Kvamme delved into the advantages and hurdles of designing an AI system.Read More.....»»
Ionic crystal generates molecular ions upon positron irradiation
The positron, the antiparticle of the electron, has the same mass and charge as that of an electron but with the sign flipped for the charge. It is an attractive particle for scientists because the use of positrons has led to important insights and d.....»»
Report: Apple is already designing a lighter Vision Pro to fix “neck strain”
Vision Pro isn't out until early 2024, but next-gen plans are already underway. Enlarge / Apple's Vision Pro headset. (credit: Samuel Axon) When it jumps into a new market for the first time, Apple has a long history of.....»»
Researchers develop nonlinear optical crystals by unusual cationic substitution strategy
An ideal infrared (IR) nonlinear optical (NLO) crystal must have the advantages of a wide transmittance range, impressive laser-induced damage threshold (LIDT), sufficient birefringence index, bulk single-crystal form, and physicochemical stability......»»
The hunt for a new way to tackle clothing waste
Scientists in the US are trying to find enzymes or bacteria that will decompose manmade fibres......»»
Gendered discrimination and disrespect "all too common" in legal profession, Australian report shows
A new report, Designing Gender Equality into the Future of The Law examines the experience of women in the law including discrimination, harassment and overwork......»»
Using DNA as glue to hold nanostructures together and build ultra-strong colloidal crystal metamaterials
A team of chemical and biological engineers working with a group of nanotechnologists at Northwestern University in Illinois has developed a type of super-strong colloidal crystal metamaterial by gluing together metal nanostructures using strands of.....»»
Every iPhone screen has a barcode to prevent a manufacturing scam
Apple spent millions to add a barcode to iPhone displays in order to save being charged hundreds of millions by manufacturers claiming faulty screens that may not have been.Chinese display firms Lens Technology and Biel Crystal have been controversia.....»»
Integrating 2D materials for on-chip photonics
Recently, the introduction of nonlinear optical functions in integrated optics has sparked significant enthusiasm. Demonstrations have shown the potential for integrated photonic platforms. Furthermore, large-scale manufacturing capability and afford.....»»
Chi-Nu experiment ends, bolsters nuclear security and energy reactors
The results of the Chi-Nu physics experiment at Los Alamos National Laboratory have contributed essential, never-before-observed data for enhancing nuclear security applications, understanding criticality safety and designing fast-neutron energy reac.....»»
Researchers fabricate chip-based optical resonators with record low UV losses
Researchers have created chip-based photonic resonators that operate in the ultraviolet (UV) and visible regions of the spectrum and exhibit a record low UV light loss. The new resonators lay the groundwork for increasing the size, complexity and fid.....»»