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Search results for photonic

General Âé¶¹ÒùÔºics May 28, 2025

Twisting light for memory: New chiral photonic device enables real-time control of light polarization and data storage

As fast as modern electronics have become, they could be much faster if their operations were based on light, rather than electricity. Fiber optic cables already transport information at the speed of light; to do computations ...

Optics & Photonics May 22, 2025

A new nanometer-scale measurement tool exploits the quantum properties of light for better precision and speed

University of Illinois Âé¶¹ÒùÔºics Professor Paul Kwiat and members of his research group have developed a new tool for precision measurement at the nanometer scale in scenarios where background noise and optical loss from the ...

General Âé¶¹ÒùÔºics May 20, 2025

Do photons wear out? An astrophysicist explains light's ability to travel vast cosmic distances without losing energy

My telescope, set up for astrophotography in my light-polluted San Diego backyard, was pointed at a galaxy unfathomably far from Earth. My wife, Cristina, walked up just as the first space photo streamed to my tablet. It ...

Optics & Photonics May 14, 2025

Photonic chip design offers simpler solution for one-way light flow in optical circuits

To improve photonic and electronic circuitry used in semiconductor chips and fiber optic systems, researchers at the McKelvey School of Engineering at Washington University in St. Louis tinkered with the rules of physics ...

General Âé¶¹ÒùÔºics May 12, 2025

Twist of light: Non-reciprocity in photon polarization may unlock gravity and quantum mechanics link

A team of physicists has uncovered a surprising new way to explore one of science's greatest challenges: uniting the two fundamental theories that explain how our universe works—Einstein's theory of gravity and quantum ...

Condensed Matter May 8, 2025

Topological polycrystal: A new approach to configurable, multiband topological photonic circuitry

Molding the flow of light—whether confined to localized regions or propagating in free space—remains crucial for modern integrated photonics. The advancement of the multi-channel, programmable optical waveguide and coupler ...

Optics & Photonics May 6, 2025

New microwave-to-optical transducer uses rare-earth ions for efficient quantum signal conversion

Quantum technologies, which leverage quantum mechanical effects to process information, could outperform their classical counterparts in some complex and advanced tasks. The development and real-world deployment of these ...

Optics & Photonics Apr 24, 2025

Nanophotonic platform boosts efficiency of nonlinear-optical quantum teleportation

Researchers have long recognized that quantum communication systems would transmit quantum information more faithfully and be impervious to certain forms of error if nonlinear optical processes were used. However, past efforts ...

Optics & Photonics Apr 17, 2025

A pioneering spectrometer for high photon energy X-rays

Researchers at the European XFEL have developed a new device for X-ray measurements at high photon energies—a so-called Laue spectrometer. It enables X-ray light with photon energies of more than 15 kiloelectronvolts to ...

Optics & Photonics Apr 7, 2025

Scientists achieve high-efficiency single-photon source above loss-tolerant threshold

Research teams from USTC have realized a high-performance single-photon source with an efficiency beyond the scalable linear optical quantum computing loss tolerance threshold for the first time. Led by Prof. Pan Jianwei, ...

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