"Flipping" optical wavefront eliminates distortions in multimode fibers
The use of multimode optical fibers to boost the information capacity of the Internet is severely hampered by distortions that occur during the transmission of images because of a phenomenon called modal crosstalk......»»
Technology using all-optical mechanisms has potential to record actions that last a femtosecond
Imagine an action that occurs within a femtosecond, or one-quadrillionth of a second: atomic transitions, charge transfers and dynamics, biochemical processes. Now imagine being able to record that action so it can be studied in further detail......»»
Illuminating new horizons: Navigating nonlinear scattering with precision
In the intricate world of light, a journey through inhomogeneous media often leads to distortions in space, time, spectrum, and polarization. These distortions, detrimental to applications like optical manipulation, imaging, and communication, have l.....»»
It"s time for a gravitational wave observatory in the Southern Hemisphere, say researchers
What's true for optical astronomy is also true for gravitational wave astronomy: The more observatories you have, the better your view of the sky. This is why the list of active gravitational wave observatories is growing. But so far they are all in.....»»
Eve Play brings AirPlay 2 wireless audio to speakers with coaxial/optical/RCA inputs
Ever wish you could AirPlay audio from your iPhone to your amp or powered speakers? Smart home solutions firm Eve is launching a new audio streaming interface that lets you hook up Hi-Fi components to Apple’s Home app and AirPlay 2. more….....»»
Eve Play brings AirPlay 2 wireless audio to speakers with coaxial/optical/RCA outputs
Ever wish you could AirPlay audio from your iPhone to your amp or powered speakers? Smart home solutions firm Eve is launching a new audio streaming interface that lets you hook up Hi-Fi components to Apple’s Home app and AirPlay 2. more….....»»
Micro-optical technology based on metamaterials takes center stage
Metasurfaces are artificial materials adept at manipulating perception. With metasurfaces allowing lenses to be reduced to one 10,000th the size of conventional lenses, they are generating considerable interest as optical components allowing miniatur.....»»
New X-ray detectors to provide unprecedented vision of the invisible universe
Very detailed information is now available from ultraviolet, optical, and submillimeter observations of the stellar, dust, and cold gas content of galaxies, and yet there is a dearth of understanding about the mechanisms that formed these galaxies. T.....»»
Brighter comb lasers on a chip mean new applications
Researchers have shown that dissipative Kerr solitons (DKSs) can be used to create chip-based optical frequency combs with enough output power for use in optical atomic clocks and other practical applications. The advance could lead to chip-based ins.....»»
Researchers demonstrate high-fidelity transmission of information via novel electronic-optical system
Transferring optical information in free space with large bandwidth and high transmission capacity has gained significant attention in various applications, such as remote sensing, underwater communication, and medical devices. Nevertheless, unpredic.....»»
Multiwavelength quantum well nanowire array micro-LED for on-chip optical communication
As the number of cores in a processor continues to grow, so too does the challenge of connecting them all together. Traditional electrical networks fall short due to latency, limited bandwidth, and high-power consumption. Researchers have long sought.....»»
A new route for universal polarization transformations of spatially varying polarization fields
Polarization describes the orientation of oscillations in a light wave, and it plays an essential role in various optical applications—from enhancing visibility in sunglasses and camera lenses to facilitating advanced optical communication and imag.....»»
Learning from viruses: Molecular fibers can help to introduce genetic material into cells
Pathogenic viruses that enter the human body can dock onto cells with their tentacle-like extensions, whereupon the cell takes up the viruses. This process, which is already known and occurs in diseases such as HIV, can also be used for therapeutic a.....»»
Team develops way to integrate electro-optic modulator device on end faces of a single-mode optical fiber jumper
Electro-optic modulators (EOMs) are cardinal elements in the optical communication networks that control the amplitude, phase and polarization of a light via external electric signals. Aiming to realize ultracompact and high-performance EOMs, most in.....»»
On-chip generation of Bessel-Gaussian beam for long-range sensing
The Bessel beam, with a significant depth of field and self-healing characteristics, has been applied in widespread applications, including quantum entanglement, underwater 3D imaging, optical micro-manipulation, microscope, and so on. However, these.....»»
Scientists trap light inside a magnet
A new study led by Vinod M. Menon and his group at the City College of New York shows that trapping light inside magnetic materials may dramatically enhance their intrinsic properties. Strong optical responses of magnets are important for the develop.....»»
Universal linear processing of spatially incoherent light through diffractive optical networks
Information processing with light is a topic of ever-increasing interest among optics and photonics researchers. Apart from the quest for an energy-efficient and fast alternative to electronic computing for future computing needs, this interest is al.....»»
Motorized iPhone periscope camera could offer optical image stabilization, autofocus
The expected periscope camera system in a future iPhone could include actuators, allowing the lens to move for autofocus and optical image stabilization applications, without requiring a massive camera bump increase.A folding camera system used by Sa.....»»
2D optical waveguides: Scientists invent smallest known way to guide light
Directing light from place to the place is the backbone of our modern world. Beneath the oceans and across continents, fiber optic cables carry light that encodes everything from YouTube videos to banking transmissions—all inside strands about the.....»»
Microplastics found embedded in tissues of whales and dolphins
Microscopic plastic particles have been found in the fats and lungs of two-thirds of the marine mammals in a graduate student's study of ocean microplastics. The presence of polymer particles and fibers in these animals suggests that microplastics ca.....»»
Pivotal discovery in sensor technology eliminates faulty electronic sensors when measuring toxins in water
There is a global water crisis, and it is not only about the dwindling supply of clean water. Contaminated drinking water exposes hundreds of millions of people worldwide to toxins, such as bacteria, heavy metals, pesticides and coronaviruses. This c.....»»