Many next-generation quantum devices rely on single-photon emitters based on optically active defects in solids, known as color centers. Understanding their properties is fundamental to developing novel quantum technologies.
Now, in a study…
Category: 4. Physics
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Search Continues for Neutrinoless Decay
• Physics 18, s21
Observations of molybdenum nuclei have revealed no signs of a speculative nuclear decay called neutrinoless double-beta decay, setting a strong constraint on this process.
generalfmv/stock.adobe.com
Time interfaces: The gateway to four-dimensional quantum optics
A new study from the University of Eastern Finland (UEF) explores the behavior of photons, the elementary particles of light, as they encounter boundaries where material properties change rapidly over time. This research uncovers remarkable…
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Multiplexing entanglement in a quantum network
Laying the groundwork for quantum communication systems of the future, engineers at Caltech have demonstrated the successful operation of a quantum network of two nodes, each containing multiple quantum bits, or qubits — the fundamental…
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Physics – Sterile Neutrinos Remain Elusive
• Physics 18, s30
A comparison of neutrinos measured 1 km and 810 km from their source finds no evidence of a putative fourth neutrino flavor.
FNAL/Reidar Hahn
Although the electroweak…
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New Fundamental Magnetic Law Uncovered
• Physics 18, 31
A new formula that connects a material’s magnetic permeability to spin dynamics has been derived and tested 84 years…
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Toward high electro-optic performance in III-V semiconductors
From integrated photonics to quantum information science, the ability to control light with electric fields — a phenomenon known as the electro-optic effect — supports vital applications such as light modulation and frequency transduction….
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A completely new type of microscopy based on quantum sensors
Researchers at the Technical University of Munich (TUM) have invented an entirely new field of microscopy, nuclear spin microscopy. The team can visualize magnetic signals of nuclear magnetic resonance with a microscope. Quantum sensors convert…
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Iron–Helium Compounds Form Under Pressure
• Physics 18, s22
Experiments show that iron’s crystal lattice expands to incorporate helium.
Noble gases are famous for being inert. But there are ways to coax even these elements into forming compounds. Heavy…
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Nonchiral Clusters Self-Assemble into Chiral Films
• Physics 18, 43
Researchers have demonstrated a method to create circular polarizing films from nonchiral nanoclusters that form spiral chains during drying.
This micrograph shows a chiral film formed by drying a… Continue Reading