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Optics & Photonics news
A molecular fingerprint beyond the Nyquist frequency
Ultrashort pulses play a significant role in spectroscopic applications. Their broad spectral bandwidth enables simultaneous characterization of the sample at various frequencies, eliminating the need for repeated measurements ...
Optics & Photonics
1 hour ago
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A shade closer to more efficient organic photovoltaics
Transparent solar cells will transform the look of infrastructure by enabling many more surfaces to become solar panels. Now, materials called non-fullerene acceptors that can intrinsically generate charges when exposed to ...
Condensed Matter
5 hours ago
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A novel universal light-based technique to control valley polarization in bulk materials
Electrons inside solid materials can only take certain values of energy. The allowed energy ranges are called "bands," and the space between them, the forbidden energies, is known as "band gaps." Both of them together constitute ...
Condensed Matter
5 hours ago
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Lead-vacancy centers in diamond as building blocks for large-scale quantum networks
Much like how electric circuits use components to control electronic signals, quantum networks rely on special components and nodes to transfer quantum information between different points, forming the foundation for building ...
Optics & Photonics
6 hours ago
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Making light 'feel' a magnetic field like an electron would
Unlike electrons, particles of light are uncharged, so they do not respond to magnetic fields. Despite this, researchers have now experimentally made light effectively "feel" a magnetic field within a complicated structure ...
Condensed Matter
8 hours ago
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Light stands still in a deformed crystal
AMOLF researchers, in collaboration with Delft University of Technology, have succeeded in bringing light waves to a halt by deforming the two-dimensional photonic crystal that contains them. The researchers show that even ...
Optics & Photonics
8 hours ago
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Tailoring electron vortex beams with customizable intensity patterns by electron diffraction holography
A new research study from Opto-Electronic Advances discusses tailoring electron vortex beams with customizable intensity patterns by electron diffraction holography.
Optics & Photonics
Apr 23, 2024
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Study shines light on properties and promise of hexagonal boron nitride, used in electronic and photonics technologies
Single-photon emitters (SPEs) are akin to microscopic lightbulbs that emit only one photon (a quantum of light) at a time. These tiny structures hold immense importance for the development of quantum technology, particularly ...
Condensed Matter
Apr 23, 2024
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New 2D material manipulates light with remarkable precision and minimal loss
Responding to the increasing demand for efficient, tunable optical materials capable of precise light modulation to create greater bandwidth in communication networks and advanced optical systems, a team of researchers at ...
Condensed Matter
Apr 22, 2024
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Realization of an ideal omnidirectional invisibility cloak in free space
A team led by Prof. Dexin Ye and Prof. Hongsheng Chen from Zhejiang University, and Prof. Yu Luo from Nanyang Technological University conducted research on the practical implementation of full-parameter transformation optical ...
Optics & Photonics
Apr 22, 2024
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Study shows ultra-thin two-dimensional materials can rotate the polarization of visible light
It has been known for centuries that light exhibits wave-like behavior in certain situations. Some materials are able to rotate the polarization, i.e. the direction of oscillation, of the light wave when the light passes ...
Condensed Matter
Apr 22, 2024
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Compact quantum light processing: New findings lead to advances in optical quantum computing
An international collaboration of researchers, led by Philip Walther at University of Vienna, have achieved a significant breakthrough in quantum technology, with the successful demonstration of quantum interference among ...
Optics & Photonics
Apr 19, 2024
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Research team resolves decades-long problem in microscopy
When viewing biological samples with a microscope, the light beam is disturbed if the lens of the objective is in a different medium than the sample. For example, when looking at a watery sample with a lens surrounded by ...
Optics & Photonics
Apr 18, 2024
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First curved data link side-steps key 6G wireless challenge
Next-generation wireless signals will no longer emanate indiscriminately from a base station as is the case now but will likely take the form of targeted directional beams. However, any physical interference—an object or ...
General Physics
Apr 18, 2024
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Dual-beamline photoelectron momentum microscopy upgrade advances valence orbital analysis
The world's first dual-beamline photoelectron momentum microscope has been developed at the UVSOR Synchrotron Facility, Japan. This innovative experimental station brings breakthroughs in studying the behavior of electrons ...
Condensed Matter
Apr 17, 2024
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Improved mid-infrared nanoscopy enables 30 times clearer view of the insides of bacteria
A team at the University of Tokyo have constructed an improved mid-infrared microscope, enabling them to see the structures inside living bacteria at the nanometer scale. Mid-infrared microscopy is typically limited by its ...
Optics & Photonics
Apr 17, 2024
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Gigahertz-rate switchable wavefront shaping by LNOI-empowered metasurface
Over the past decade, metasurfaces deploying two-dimensional artificial nanostructures have emerged as a groundbreaking platform to manipulate light across various degrees of freedom. These metasurfaces exhibit significant ...
Optics & Photonics
Apr 16, 2024
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A universal path for converting light into current in solids
Researchers have long wondered whether light can be efficiently converted into electricity. Realistic and efficient methods to generate electricity from light, photocurrent, has numerous potential applications in the clean ...
Condensed Matter
Apr 16, 2024
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132
Attosecond imaging made possible by short and powerful laser pulses
Extremely short pulses of laser light with a peak power of 6 terawatts (6 trillion watts)—roughly equivalent to the power produced by 6,000 nuclear power plants—have been realized by two RIKEN physicists. This achievement ...
Optics & Photonics
Apr 16, 2024
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Researchers control quantum properties of 2D materials with tailored light
A team of scientists has developed a method that harnesses the structure of light to twist and tweak the properties of quantum materials. Their results, published today in Nature, pave the way for advancements in next generation ...
Optics & Photonics
Apr 15, 2024
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