Last update:
Physics news
Universal optothermal micro/nanoscale rotors
The fundamental rotation of micro and nano-objects is crucial for the functionality of micro and nanorobotics, as well as three-dimensional imaging and lab-on-a-chip systems. These optical rotation methods can function fuel-free ...
Keeping the energy in the room
It may seem like technology advances year after year, as if by magic. But behind every incremental improvement and breakthrough revolution is a team of scientists and engineers hard at work.
General Physics
Jul 01, 2022
0
196
Advocating a new paradigm for electron simulations
Although most fundamental mathematical equations that describe electronic structures are long known, they are too complex to be solved in practice. This has hampered progress in physics, chemistry and the material sciences. ...
Quantum Physics
Jul 01, 2022
1
382
Characterizing the materials for next-generation quantum computers with nonlinear optical spectroscopy
Researchers at the Department of Physics and the Cluster of Excellence "CUI: Advanced Imaging of Matter" of Universität Hamburg and the University of California at Irvine have recently proposed a new way to characterize ...
Condensed Matter
Jul 01, 2022
0
67
Scientists investigate temperature effect on semiconductor optical amplifiers
The effect of temperature on the performance of the semiconductor optical amplifiers (SOAs) is an important research point. Amer Kotb and his colleagues from the Changchun Institute of Optics, Fine Mechanics and Physics of ...
Optics & Photonics
Jul 01, 2022
0
18
Photon-controlled diode: An optoelectronic device with a new signal processing behavior
A photodetector is a kind of optoelectronic device that can detect optical signals and convert them into electrical signals. These devices include photodiodes, phototransistors and photoconductors.
Optics & Photonics
Jul 01, 2022
0
13
Research team develops ultrabroadband edge coupler for highly efficient second harmonic generation
Thin-film lithium niobate (TFLN) has recently emerged as a versatile nanophotonic platform. With the advantages of high optical confinement, enhanced light-matter interaction, and flexible dispersion control, TFLN-based periodically ...
Optics & Photonics
Jun 30, 2022
0
211
Optical fiber imaging method advances studies of Alzheimer's disease
An optical fiber as thin as a strand of hair holds promise for use in minimally invasive deep-tissue studies of patients' brains that show the effects Alzheimer's disease and other brain disorders. The research could set ...
Optics & Photonics
Jun 30, 2022
0
50
Laser creates a miniature magnetosphere
Magnetic reconnections in laser-produced plasmas have been studied to understand microscopic electron dynamics, which is applicable to space and astrophysical phenomena. Osaka University researchers, in collaboration with ...
Plasma Physics
Jun 30, 2022
0
62
Advanced technology allows automated 3D tracking of leaked gas
Researchers have developed a way to create a 3D image of a leaked gas cloud that provides detailed information about the leak such as location, volume and concentration. The new automated detection approach could be used ...
Optics & Photonics
Jun 30, 2022
0
20
The principle of inkjet printing and its applications on AR/VR micro-displays
With the rapid development of artificial intelligence, image recognition and 5G communication technology, augmented reality (AR) and virtual reality (VR) technologies are developing at an alarming rate. Under the background ...
Optics & Photonics
Jun 30, 2022
0
16
Photonic synapses with low power consumption and high sensitivity
Neuromorphic photonics/electronics is the future of ultralow energy intelligent computing and artificial intelligence (AI). In recent years, inspired by the human brain, artificial neuromorphic devices have attracted extensive ...
Optics & Photonics
Jun 30, 2022
0
9
Review discusses using nonlinear optics with structured light
Light can be tailored, much like cloth, weaving and stitching a pattern into the very fabric of light itself. This so-called structured light allows us to access, harness and exploit all light's degrees of freedom, for seeing ...
Optics & Photonics
Jun 30, 2022
0
21
Miniaturized, highly sensitive ultrasound sensor for photoacoustic imaging
Photoacoustic imaging generates ultrasound waves by irradiating biological tissues with pulses or modulated continuous lasers. Ultrasound sensors are used to capture ultrasound signals in a distributed manner. Then, the light ...
Optics & Photonics
Jun 30, 2022
0
31
New single-mode semiconductor laser delivers power with scalability
Berkeley engineers have created a new type of semiconductor laser that accomplishes an elusive goal in the field of optics: the ability to maintain a single mode of emitted light while maintaining the ability to scale up ...
General Physics
Jun 29, 2022
0
116
Position measurement of a levitated nanoparticle via interference with its mirror image
Levitated nanoparticles are promising tools for sensing ultra-weak forces of biological, chemical or mechanical origin and even for testing the foundations of quantum physics. However, such applications require precise position ...
Optics & Photonics
Jun 29, 2022
0
39
Researchers measure atmospheric water vapor using open-air spectroscopy
Researchers have shown that a new mid-infrared spectrometer can precisely measure the ratios of different forms of water—known as isotopologues—in atmospheric water vapor through open air in a little over 15 minutes. ...
Optics & Photonics
Jun 29, 2022
0
14
Physicists confront the neutron lifetime puzzle
To solve a long-standing puzzle about how long a neutron can "live" outside an atomic nucleus, physicists entertained a wild but testable theory positing the existence of a right-handed version of our left-handed universe. ...
Quantum Physics
Jun 28, 2022
111
972
Dream of unlimited, clean nuclear fusion energy within reach
The old joke is that nuclear fusion is always 30 years away. Yet the dream of abundant clean energy is no laughing matter as we meet an ITER researcher to catch up on progress at the reactor facility.
Plasma Physics
Jun 28, 2022
24
1152
Study identifies a tidal disruption event that coincides with the production of a high-energy neutrino
High-energy neutrinos are highly fascinating subatomic particles produced when very fast charged particles collide with other particles or photons. IceCube, a renowned neutrino detector located at the South Pole, has been ...
More news
Quantum network between two national labs achieves record synch
Breaking the strongest chemical bonds with laser shock compression
Defining plasma dose for potential future cancer treatments
Getting more information by measuring faster and averaging less
Investigating positron scattering from giant molecular targets
Taking quantum control of life's building blocks
Novel gel proves itself to be a highly tunable color filter
Tiny lab on a chip analyzes very small volumes of liquid
Cocrystal engineering: A technique for designing multifunctional materials
Light traveling in a distorting medium can appear undistorted
Ultra-thin film creates vivid 3D images with large field of view
Other news
Researchers use AI to detect new family of genes in gut bacteria
'Soft' CRISPR may offer a new fix for genetic defects
Horseshoe crabs: 'Living fossils' vital for vaccine safety
Study: How placentas evolved in mammals
New method boosts the study of regulation of gene activity
Triply eclipsing stellar systems
Exotic photonic crystals empower robust one-way transport of light
Researchers extend quantum amplification to Floquet systems
New ultrathin capacitor could enable energy-efficient microchips
Following ultrafast magnetization dynamics in depth
How to find marker genes in cell clusters
Whales learn songs from each other in a cultural 'deep dive'
