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Category: quantum physics

Multimode quantum entanglement achieved via dissipation engineering

A research team led by Prof. Lin Yiheng from the University of Science and Technology of China (USTC), collaborating with Prof. Yuan Haidong from the Chinese University of Hong Kong, succeeded in generating multipartite quantum entangled states across two, three, and five modes using controlled dissipation as a resource. Their study is published in Science Advances.

Multimode entanglement is a key resource in quantum computation, communication, simulation, and sensing. One of the major challenges in achieving stable and scalable multimode entanglement lies in the inherent susceptibility of quantum systems to environmental noise—a phenomenon known as . To mitigate dissipative effects, conventional preparation methods often require isolating the system from its surroundings.

Recent theoretical and experimental works have revealed an innovative perspective: when properly engineered, dissipation can be transformed into a resource for generating specific quantum states—known as dissipation engineering. However, previous related experiments were confined to single-mode and two-mode quantum systems, and significant challenges remain in the experimental realization of entangled states across multimode bosonic systems.

Insane Micro AI Just Shocked The World: CRUSHED Gemini and DeepSeek (Pure Genius)

Samsung just shocked the entire AI world — a 7-million-parameter model called Tiny Recursive Model (TRM) just out-reasoned billion-parameter giants like Gemini and DeepSeek. Built by Samsung’s Montreal research lab, this microscopic AI loops over its own thoughts, rewrites its answers, and fixes mistakes before you even see them — creating reasoning depth without size. It’s 25,000 times smaller than Gemini 2.5 Pro, yet it beat it on real reasoning benchmarks like ARC-AGI.
Meanwhile, Microsoft built an AI brain for quantum chemistry, Anthropic made an AI that audits other AIs, Liquid AI proved on-device intelligence can actually work, and Meta reinvented multimodal search — all in one insane week.

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🧠 What You’ll See:
• Samsung’s 7-million-parameter TRM model that crushed Gemini and DeepSeek.
• How recursive thinking lets TRM fix its own mistakes 16 times per answer.
• Microsoft’s new neural model that changes quantum chemistry forever.
• Anthropic’s Petri framework that makes AIs audit each other.
• Liquid AI’s mobile-ready MoE model that runs locally on your phone.
• Meta’s new MetaEmbed system that rewrites multimodal search.

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AI progress is no longer about size — it’s about intelligence, efficiency, and control. The smallest model just proved it can outsmart the giants.

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A new scalable approach to realize a quantum communication network based on ytterbium-171 atoms

Quantum networks, systems consisting of connected quantum computers, quantum sensors or other quantum devices, hold the potential of enabling faster and safer communications. The establishment of these networks relies on a quantum phenomenon known as entanglement, which entails a link between particles or systems, with the quantum state of one influencing the other even when they are far apart.

The atom-based qubits used to establish so far operate at visible or ultraviolet wavelength, which is not ideal for the transmission of signals over long distances via optical fibers. Converting these signals to telecom-band wavelengths, however, can reduce the efficiency of communication and introduce undesirable signals that can disrupt the link between qubits.

A research team at University of Illinois at Urbana-Champaign, led by Prof. Jacob P. Covey recently realized telecom-band wavelength quantum networking using an array of ytterbium-171 atoms. Their paper, published in Nature Physics, introduces a promising approach to realize high-fidelity entanglement between atoms and optical photons generated directly in the telecommunication band.

Scientists create a paper-thin light that glows like the sun

Scientists have developed an ultra-thin, paper-like LED that emits a warm, sunlike glow, promising to revolutionize how we light up our homes, devices, and workplaces. By engineering a balance of red, yellow-green, and blue quantum dots, the researchers achieved light quality remarkably close to natural sunlight, improving color accuracy and reducing eye strain.

Researchers transmit photons from moving plane in major quantum leap

A consortium of German researchers has successfully transmitted individual photons from a moving aircraft, captured them in a mobile ground station, and verified their quantum states.

The experiment, a key part of Germany’s QuNET initiative, marks a critical step towards building a global, tap-proof quantum communication network.

The research team successfully measured various quantum channels between the aircraft and the ground, sent the light particles to a sophisticated ion trap, and tested technologies vital for quantum key distribution (QKD).

Strain engineering enhances spin readout in quantum technologies, study shows

Quantum defects are tiny imperfections in solid crystal lattices that can trap individual electrons and their “spin” (i.e., the internal angular momentum of particles). These defects are central to the functioning of various quantum technologies, including quantum sensors, computers and communication systems.

Reliably predicting and controlling the behavior of quantum defects is thus very important, as it could pave the way for the development of better performing quantum systems tailored for specific applications. A property closely linked to the dependability of quantum technologies is the so-called spin readout contrast, which essentially determines how clear it is to distinguish between two different spin states in a system.

Researchers at the Harbin Institute of Technology (Shenzhen), the HUN-REN Wigner Research Center for Physics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences and other institutes recently showed that strain engineering (i.e., stretching or compressing materials) could be used to control how quantum defects behave and enhance spin readout contrast in quantum systems.

Individual electrons trapped and controlled above 1 K, easing cooling limits for quantum computing

Researchers from EeroQ, the quantum computing company pioneering electron-on-helium technology, have published a paper, titled “Sensing and Control of Single Trapped Electrons Above 1 Kelvin,” in Physical Review X that details a significant milestone: the first demonstration of controlling and detecting individual electrons trapped on superfluid helium at temperatures above 1 Kelvin. This work was achieved using on-chip superconducting microwave circuits, a method compatible with existing quantum hardware.

Quantum computers today typically require operation at ultra-low temperatures near 10 millikelvin, creating severe challenges in scaling due to heat dissipation. By showing that individual electrons can be trapped and controlled at temperatures more than 100 times higher (above 1 Kelvin), EeroQ’s results open a new pathway toward larger and more practical quantum processors.

The findings also validate long-standing theoretical predictions that electrons on helium can provide exceptionally pure and long-lived qubits, while reducing the extreme cooling demands that limit other approaches.

Quantum fluctuations found hidden beneath classical optical signals in polaritons

When optical materials (molecules or solid-state semiconductors) are embedded in tiny photonic boxes, known as optical microcavities, they form hybrid light-matter states known as polaritons. Most of the optical properties of polaritons under weak illumination can be understood using textbook classical optics. Now researchers from UC San Diego show that this is not the entire story: there are quantum fluctuations lurking underneath the classical signal and they reveal a great deal about the molecules in question.

Their work redefines the foundations of polaritonics by demonstrating that the optical spectra of these light–matter hybrids, long described by classical optics, in fact bear subtle quantum fingerprints.

Exploiting these signatures allows polaritons to act as sensitive probes of their host materials, opening new directions for polaritonic control, precision sensing, and quantum photonic technologies. Beyond optics, these hidden further suggest novel avenues for steering chemical reactivity and advancing polaritonic chemistry.

World’s most sensitive table-top experiment sets new limits on very high-frequency gravitational waves

The world’s most sensitive table-top interferometric system—a miniature version of miles-long gravitational-wave detectors like LIGO—has completed its first science run.

The Quantum Enhanced Space-Time measurement (QUEST) experiment, based in Cardiff University’s School of Physics and Astronomy, aims to uncover the fundamental nature of space-time.

QUEST can measure changes in length 100 trillion times smaller than the width of a human hair and has set a new record for sensitivity in just a three-hour experiment.

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