Articles tagged with Optical Waveguides
Researchers develop signal-processing method to suppress distortions, achieving 6mm spatial resolution in single-ended Brillouin sensing. This enables early detection of damage or abnormal conditions in aging infrastructure.
Giant superatoms combine two quantum-mechanical constructs to suppress decoherence and create entanglement, opening opportunities for scalable and reliable quantum systems. This breakthrough enables quantum information to be protected, controlled, and distributed in new ways.
Scientists have developed a new type of metasurface that combines waveguide physics with planar design to achieve precise control over light at the nanoscale. The metasurfaces produce photonic flatbands across wide angles while preserving ultrahigh quality factors, enabling efficient trapping of light and strong interactions with matter.
A team of scientists developed a revolutionary SiC-based AR display platform that solves the challenges of lightweight design, full-color display, and mass production. The technology achieved excellent performance, including a high luminous efficiency and compact design with integrated vision correction.
Researchers at CUNY Graduate Center design stadium-shaped cavity to study and control light's complex behavior. By adjusting light intensity and delay, they demonstrate coherent control using reflectionless scattering modes, paving the way for better energy storage, computing, and signal processing.
Researchers at Osaka University have created a new optical device that generates deep-UV light using second harmonic generation, killing germs while remaining harmless to humans. The device is more efficient and compact than previous options, paving the way for commercial applications.
A novel coupling mechanism involving leaky mode has been uncovered, enabling zero crosstalk between closely spaced waveguides. This discovery drastically increases the coupling length of transverse-magnetic (TM) mode, expanding the potential for dense photonic integration.
Scientists at Columbia University create a new class of integrated photonic devices that can convert light from an optical waveguide to an arbitrary optical pattern in free space. The devices simultaneously control all four optical degrees of freedom, paving the way for applications in quantum optics, optogenetics, and holographic disp...
Scientists at the University of Tsukuba have created a nanocavity in a waveguide that selectively modifies short light pulses, enabling the development of ultrafast optical pulse shaping. This breakthrough may lead to the creation of new all-optical computers that operate based on light.
Harvard researchers have successfully integrated a high-power laser onto a lithium niobate chip, a major breakthrough in the development of high-performance chip-scale optical systems. The integration enables the creation of fully integrated spectrometers, optical remote sensing, and efficient frequency conversion for quantum networks.
On-chip frequency shifters in the gigahertz range enable precise color shifting for high-speed optical communication. This innovation has significant implications for the development of quantum computers and future network infrastructure.
A team of scientists has devised a mid-infrared free standing solid core optical waveguide that pushes the light interaction with air beyond previous reports. The guided mode resembles a free-space beam, with minimal overlap with material imperfections, reducing spurious fringes and loss.