"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......»»
Engineers pair laser light to crystal lattice vibrations to enhance optical properties of 2D material
Engineers at Columbia University and theoretical collaborators at the Max Planck for the Structure and Dynamics of Matter have found that pairing laser light to crystal lattice vibrations can enhance the nonlinear optical properties of a layered 2D m.....»»
All-optical object identification and three-dimensional reconstruction based on optical computing metasurface
As object identification and three-dimensional (3D) reconstruction techniques become essential in various reverse engineering, artificial intelligence, medical diagnosis, and industrial production fields, there is an increasing focus on seeking vastl.....»»
Generation of lossy mode resonances using perovskite nanofilms
In recent research, scientists have unlocked the potential of a remarkable material called perovskite to revolutionize the world of optical sensing. Their study is published in the journal Opto-Electronic Advances......»»
Research team develops optical technique for simultaneously producing and shaping gigahertz burst pulses
The generation and manipulation of high-repetition pulses hold great promise across various applications, including high-speed photography, laser processing, and acoustic wave generation. Gigahertz (GHz) burst pulses, with intervals ranging from ~0.0.....»»
Microwaves heat the soil to eliminate pests and help farmers manage soil diseases
A research team led by Dr. Sunshin Jung at the Korea Electrotechnology Research Institute (KERI) has developed a breakthrough technology that effectively eliminates pests without the use of pesticides and protects farms from soil diseases by using mi.....»»
Wearable sensors for advanced plant phenotyping
In response to increasing global food demands, improving crop yields through efficient phenotyping is imperative. Optical imaging-based phenotyping has markedly progressed plant breeding and crop management, yet encounters limitations in spatial reso.....»»
Researchers create stable hybrid laser by 3D printing micro-optics onto fibers
For the first time, researchers have shown that 3D-printed polymer-based micro-optics can withstand the heat and power levels that occur inside a laser. The advance enables inexpensive, compact, and stable laser sources that would be useful in a vari.....»»
A new method to fabricate optical devices that more closely match their design specifications
Photolithography involves manipulating light to precisely etch features onto a surface, and is commonly used to fabricate computer chips and optical devices like lenses. But tiny deviations during the manufacturing process often cause these devices t.....»»
New technology for microscopy analysis provides precise maps of cell membrane lipid rafts
A research team led by Professor Dae-ha Seo at the Department of Physics and Chemistry, Daegu Gyeongbuk Institute of Science and Technology, has successfully developed a new technology for optical microscopy analysis—known as lipid-MAP—which can.....»»
A locally grown solution for period poverty
A Kenyan tinkerer and Stanford engineer team up to make maxi pads from agave fibers. Enlarge / Sisal is an invasive species that is also grown agriculturally. (credit: Chris Hellier) Women and girls across much of the de.....»»
Conjoined "racetracks" make new optical device possible
When we last checked in with Caltech's Kerry Vahala three years ago, his lab had recently reported the development of a new optical device called a turnkey frequency microcomb that has applications in digital communications, precision time keeping, s.....»»
Quantum computer performs error-resistant operations with logical qubits
QuEra gets ready for error correction, runs operations with over 40 logical qubits. Enlarge / Some of the optical hardware needed to get QuEra's machine to work. (credit: QuEra) There's widespread agreement that most use.....»»
Bowtie resonators that build themselves bridge the gap between nanoscopic and macroscopic
A central goal in quantum optics and photonics is to increase the strength of the interaction between light and matter to produce, for example, better photodetectors or quantum light sources. The best way to do that is to use optical resonators that.....»»
Researchers create first supermirrors in mid-infrared range
An international team of researchers from Austria, the United States and Switzerland have created the first supermirrors in the mid-infrared range. These mirrors are a key technology for many applications, such as optical spectroscopy of greenhouse g.....»»
Optical data storage breakthrough increases capacity of diamonds by circumventing the diffraction limit
Physicists at The City College of New York have developed a technique with the potential to enhance optical data storage capacity in diamonds. This is possible by multiplexing the storage in the spectral domain. The research by Richard G. Monge and T.....»»
Researchers develop a new approach to polarization-independent LC phase modulation
Liquid-crystal (LC) phase modulators are widely used in optical systems because of their advantages of low power consumption, lightweight, flexible bandwidth adjustment, and non-mechanical movements. However, most LC phase modulators are polarization.....»»
A low-cost microscope projection photolithography system for high-resolution fabrication
Integrated optical signal distributing, processing, and sensing networks require the miniaturization of basic optical elements, such as waveguides, splitters, gratings, and optical switches. To achieve this, fabrication approaches that allow for high.....»»
Two-photon lithography for photonic packaging: A promising solution
Photonic integrated circuits (PICs) are compact devices that combine multiple optical components on a single chip. They have a wide range of applications in communications, ranging, sensing, computing, spectroscopy, and quantum technology. PICs are n.....»»
Photonic chips can calculate optimal shape of light for next-gen wireless systems
Optical wireless may no longer have any obstacles. A study by Politecnico di Milano, conducted together with Scuola Superiore Sant'Anna in Pisa, the University of Glasgow and Stanford University, and published in Nature Photonics, has made it possibl.....»»
Orbital-angular-momentum-encoded diffractive networks for object classification tasks
Deep learning has revolutionized the way we perceive and utilize data. However, as datasets grow and computational demands increase, we need more efficient ways to handle, store, and process data. In this regard, optical computing is seen as the next.....»»