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Optics & Photonics news
A new (micro) lens on optics: Researchers develop hybrid achromats with high focusing efficiencies
Using 3D printing and porous silicon, researchers at the University of Illinois Urbana-Champaign have developed compact, visible wavelength achromats that are essential for miniaturized and lightweight optics. These high-performance ...
Optics & Photonics
Dec 9, 2023
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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, ...
Optics & Photonics
Dec 8, 2023
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Research enables high-resolution imaging of moving objects using Fourier ptychographic imaging
Recently, a research team led by Prof. Wang Yingjian at Hefei Institutes of Physical Science (HFIPS) of Chinese Academy of Sciences (CAS), proposed an efficient method to implement Fourier ptychographic imaging technology ...
Optics & Photonics
Dec 8, 2023
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A micro-ring resonator with big potential: Hybrid device significantly improves laser technology
The team at EPFL's Photonic Systems Laboratory (PHOSL) has developed a chip-scale laser source that enhances the performance of semiconductor lasers while enabling the generation of shorter wavelengths.
Optics & Photonics
Dec 8, 2023
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Research investigates thermal impact of 3D stacking photonic and electronic chips
Recent advancements in AI and more specifically large language models such as ChatGPT have put a strain on data centers. AI models require huge amounts of data to train, and in order to move data between the processing units ...
Optics & Photonics
Dec 7, 2023
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Magnetizing an iron-vanadium alloy with laser pulses sheds light on a promising phenomenon
To magnetize an iron nail, one simply has to stroke its surface several times with a bar magnet. Yet, there is a much more unusual method: A team led by the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) discovered some time ...
Optics & Photonics
Dec 7, 2023
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Exploring advances in waveguide-based augmented reality displays
In recent decades, augmented reality (AR) has evolved from a futuristic concept to a tangible and pervasive technology. AR enhances our perception and interaction with the environment by seamlessly blending projected virtual ...
Optics & Photonics
Dec 7, 2023
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Fractal photonic anomalous Floquet topological insulators to generate multiple quantum chiral edge states
An anomalous Floquet topological insulator (AFTI) is a periodically driven topological insulator (TI with nonzero winding numbers to support topological edge modes, though its standard topological invariants like Chern numbers ...
Optics & Photonics
Dec 7, 2023
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Researchers develop a reflective display technique based on electro-microfluidic assembly of particles
In an article published in Light: Science & Applications, a team of scientists, led by Professor Lingling Shui from the International Joint Laboratory of Optofluidic Technology and System (LOTS) at South China Normal University ...
Optics & Photonics
Dec 7, 2023
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X-ray method enables micron-resolution imaging of living organisms over long time periods
Researchers have developed an X-ray imaging technique that can produce detailed images of living organisms with a much lower X-ray dose than previously possible. The advance enables small organisms or other sensitive samples ...
Optics & Photonics
Dec 7, 2023
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Breakthrough in coherent two-photon LIDAR overcomes range limitations
New research has unveiled an advancement in Light Detection and Ranging (LIDAR) technology, offering unparalleled sensitivity and precision in measuring the distance of remote objects.
Optics & Photonics
Dec 7, 2023
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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 ...
Optics & Photonics
Dec 6, 2023
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NASA engineers push limits of physics to focus light
A pair of precision-orbiting small satellites will attempt to capture the first views ever of small-scale features near the surface of the sun that scientists believe drive the heating and acceleration of solar wind.
Optics & Photonics
Dec 5, 2023
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Replacing bone saws with smart lasers
Using lasers rather than scalpels and saws has many benefits in surgery. Yet they are only used in isolated cases. But that could be about to change: laser systems are getting smarter and better all the time, as a research ...
Optics & Photonics
Dec 5, 2023
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Polarized hetero-structured luminant: The 'marriage' of 2D materials and 0D quantum dots
The generation, modulation, and detection of polarized light play a pivotal role across diverse fields, including optical communication, laser processing, dynamic displays, and biomedical imaging. The advancement of multifunctional ...
Optics & Photonics
Dec 4, 2023
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'Doughnut' beams help physicists see incredibly small objects
In a new study published in Optica, researchers at the University of Colorado Boulder have used doughnut-shaped beams of light to take detailed images of objects too tiny to view with traditional microscopes.
Optics & Photonics
Dec 4, 2023
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Q&A: Unveiling a new era of imaging—engineers lead breakthrough microscopy techniques
When microscopes struggle to pick up faint signals, it's like trying to spot subtle details in a painting or photograph without your glasses. For researchers, this makes it difficult to catch the small things happening in ...
Optics & Photonics
Dec 4, 2023
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A method to resolve quantum interference between photoionization pathways with attosecond resolution
The field of attosecond physics was established with the mission of exploring light–matter interactions at unprecedented time resolutions. Recent advancements in this field have allowed physicists to shed new light on the ...
Photonic chip that 'fits together like Lego' opens door to semiconductor industry
Researchers at the University of Sydney Nano Institute have invented a compact silicon semiconductor chip that integrates electronics with photonic, or light, components. The new technology significantly expands radio-frequency ...
Optics & Photonics
Dec 1, 2023
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An anomalous relativistic emission arising from the intense interaction of lasers with plasma mirrors
Interactions between intense laser pulses and plasma mirrors have been the focus of several recent physics studies due to the interesting effects they produce. Experiments have revealed that these interactions can generate ...
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Dynamic z-scanning for ultrafast auto-focusing in laser processing
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Diamond quantum sensors measure neuron activity
Researchers unveil comprehensive collection of rhodamine-based fluorescent dyes
New compound could lead to therapeutics that selectively kill cancer cells
Orangutan male success not due to dominance alone, study finds
