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Optics & Photonics news
Researchers demonstrate room-temperature lasing in photonic-crystal surface-emitting laser
In a first for the field, researchers from The Grainger College of Engineering at the University of Illinois Urbana-Champaign have reported a photopumped lasing from a buried dielectric photonic-crystal surface-emitting laser ...
Optics & Photonics
12 hours ago
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Data transfer speeds increase significantly through new optical chip design
Artificial intelligence systems like ChatGPT are notorious for being power-hungry. To tackle this challenge, a team from the Center for Optics, Photonics and Lasers (COPL) has come up with an optical chip that can transfer ...
Optics & Photonics
Jul 11, 2025
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Plastic-based spectrometers offer low-cost, compact solution for broadband spectral imaging
A multinational research team, including engineers from the University of Cambridge and Zhejiang University, has developed a breakthrough in miniaturized spectrometer technology that could dramatically expand the accessibility ...
Optics & Photonics
Jul 11, 2025
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Carefully tuned laser beam protects quantum spins from noise
Researchers have discovered a simple yet powerful way to protect atoms from losing information—a key challenge in developing reliable quantum technologies.
Optics & Photonics
Jul 10, 2025
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Speed test of 'tunneling' electrons challenges alternative interpretation of quantum mechanics
Quantum mechanics describes the unconventional properties of subatomic particles, like their ability to exist in a superposition of multiple states, as popularized by the Schrödinger's cat analogy, and ability to slip through ...
Tunable laser light: Ring design could be used in telecom, medicine and more
Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and Technical University of Vienna (TU Wien) have invented a new type of tunable semiconductor laser that combines the best attributes ...
Optics & Photonics
Jul 10, 2025
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Affordable, room-temperature maser created using LED technology
With the ability to detect and amplify extremely weak electromagnetic signals without adding additional noise, masers have many potential uses, including the production of more sensitive magnetic resonance body scanners, ...
Optics & Photonics
Jul 9, 2025
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Multisynapse optical network outperforms digital AI models
For decades, scientists have looked to light as a way to speed up computing. Photonic neural networks—systems that use light instead of electricity to process information—promise faster speeds and lower energy use than ...
Optics & Photonics
Jul 9, 2025
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Keeping the photon in the dark: A new method for full control of quantum dots
Excitons—bound pairs of electrons and an electron hole—are quasiparticles that can arise in solids. While so-called "bright" excitons emit light and are therefore accessible, dark excitons are optically inactive. As a ...
Optics & Photonics
Jul 9, 2025
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Visualization of atomic-scale magnetism achieved with new imaging method
An international research team led by Forschungszentrum Jülich has succeeded in visualizing magnetism inside solids with unprecedented precision. Using a newly developed method, the scientists were able to image the finest ...
Condensed Matter
Jul 9, 2025
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Defects in single-crystal indium gallium zinc oxide could fix persistent display instability
Many displays found in smartphones and televisions rely on thin-film transistors (TFTs) made from indium gallium zinc oxide (IGZO) to control pixels. IGZO offers high transparency due to its large bandgap (the gap existing ...
Optics & Photonics
Jul 9, 2025
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Stoichiometric crystal shows promise in quantum memory
For over two decades, physicists have been working toward implementing quantum light storage—also known as quantum memory—in various matter systems. These techniques allow for the controlled and reversible mapping of ...
Optics & Photonics
Jul 9, 2025
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Scientists provide clear observation of spin and density modes in a two-component fluid of light
Recent physics studies have found that light can sometimes flow in unexpected ways, behaving like a so-called "superfluid." Superfluids, such as ultracold atomic gases or helium-4 below specific temperatures, are phases of ...
Quantum clocks deliver navigation accuracy far beyond current GPS systems in naval tests
Optical quantum clocks developed at the University of Adelaide have been proven to outperform GPS navigation systems by many orders of magnitude. The clocks, which were put through their paces in naval exercises, were designed ...
Optics & Photonics
Jul 8, 2025
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Optical tweezer sectioning microscopy enables 3D imaging of floating live cells
Three-dimensional (3D) imaging is essential for investigating cellular structure and dynamics. Traditional optical methods rely on adhesive or mechanical forces to hold and scan cells, which limit their applicability to suspended ...
Optics & Photonics
Jul 8, 2025
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Cracking the quantum code: Light and glass are set to transform computing
European researchers are developing quantum computers using light and glass, in a collaboration that promises breakthroughs in computing power, battery technology and scientific discovery.
Optics & Photonics
Jul 7, 2025
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An approach to realize heralded photon storage in a Rydberg superatom
Quantum technologies, systems that operate leveraging quantum mechanical effects, have the potential to outperform classical technologies in some specific tasks. Over the past decades, some researchers have also been trying ...
Quantum enhancement discovery could improve medical technologies
Technologies such as biomedical imaging and spectroscopy could be enhanced by a discovery in research that involved several institutions, including the University of Glasgow. Scientists have found that two-photon processes, ...
Optics & Photonics
Jul 7, 2025
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Physicists create tunable system for enhanced quantum sensing
Researchers at the Niels Bohr Institute, University of Copenhagen, have developed a tunable system that paves the way for more accurate sensing in a variety of technologies, including biomedical diagnostics. The result is ...
Optics & Photonics
Jul 3, 2025
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TaIrTe₄ photodetectors show promise for highly sensitive room-temperature THz sensing
Terahertz radiation (THz), electromagnetic radiation with frequencies ranging between 0.1 and 10 THz, could be leveraged to develop various new technologies, including imaging and communication systems. So far, however, a ...
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Sensitive yet tough photonic devices are now a reality
Boson sampling finds first practical applications in quantum AI
Researchers confirm fundamental conservation laws at the quantum level
Scientists propose blueprint for 'universal translator' in quantum networks
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Higgs-boson properties clarified through decay pattern analysis
How the genome defends itself against internal enemies
