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“A new method for generating quantum-entangled photon pairs employs nonlinear metasurfaces to enhance and tailor photon emissions—an important step towards creating miniaturized quantum devices for everyday applications Quantum nanophotonics is an active research field with emerging applications that range …
“Spectral-volumetric compressed ultrafast photography simultaneously captures 5D information in a single snapshot Information-rich optical imaging can provide multidimensional information to enable observation and analysis of a detected target, contributing insights into mysterious and unknown worlds. With its ability to capture …
“Flexible control of the propagating direction of near-field light can be realized with hyperbolic metamaterials, using an all-electric metasource Near-field light is invisible light at the subwavelength scale. Harnessed for a variety of practical applications, such as wireless power transfer …
“New method generates precisely controlled graphene microbubbles with perfectly spherical curvature for lenses Tiny bubbles can solve large problems. Microbubbles—around 1-50 micrometers in diameter—have widespread applications. They’re used for drug delivery, membrane cleaning, biofilm control, and water …
News All-optical method sets record for ultrafast high-spatial-resolution imaging: 15 trillion frames per second
“New all-optical imaging technique with an unprecedented frame rate allows scientists to visualize ultrafast transient phenomena High-speed cameras can take pictures in quick succession. This makes them useful for visualizing ultrafast dynamic phenomena, such as femtosecond laser ablation for precise …
“Between relativistic and classical wave regimes, newly discovered memory effect alters the Doppler wave signature Wave scattering appears practically everywhere in everyday life—from conversations across rooms, to ocean waves breaking on a shore, from colorful sunsets, to radar waves …
“New spectroscopic technique for studying nanostructures demonstrates that stibnite nanodots can act as high-optical-quality waveguides and are promising candidates as photoswitchable materials for future applications Antimony sulfide, or stibnite (Sb2S3), has been investigated intensively in recent years as a promising …
“Researchers integrated photo-patterned liquid crystal into a dielectric metasurface to achieve achromatic and chromatic focusing with a single metalens. The development of metasurfaces opened a horizon for the advance of planar optics. Among various metadevices, the metalens has attracted widespread …
“A comprehensive analysis of vector vortex beam transmission through scattering media offers insights into the behavior of light carrying orbital angular momentum Propagate light through any kind of medium – be it free space or biological tissue – and light will scatter …
“In volumetric displays, 3D images are rendered directly onto a physical volumetric space.1–3 These images can then be viewed by observers without the need for any additional devices. The application space for displays such as these includes 3D …