Quantum Physics Archives - Scitke - Science and Technology

Physicists discovered something capable of traveling faster than light

For the first time, physicists have directly observed that “holes” within light can travel faster than the light surrounding them. These features, called phase singularities or optical vortices, were predicted decades ago. Since the 1970s, scientists have suggested that, much like whirlpools in a river can move faster than the water itself, swirling gaps within […]

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Quantum Teleportation was Achieved over the Internet for the First Time

In 2024, researchers in the US successfully teleported a quantum state of light over more than 30 kilometers (about 18 miles) of fiber optic cable, even amid heavy internet traffic—a feat once thought impossible. While it won’t help you skip your commute or speed up streaming, transmitting quantum states through existing infrastructure marks a major

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Effects of Pointing Inaccuracies in Quantum key Distribution Systems

Physics, Quantum Physics / Ngoma Manuel

Quantum key distribution (QKD) is a developing communication technology that applies the principles of quantum mechanics to achieve extremely secure information exchange between two parties. It enables a sender and a receiver to actively establish a shared secret key, even when an adversary may be monitoring the communication channel. Any eavesdropping attempt disturbs the quantum

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Innovative Quantum Detection Technology is Reshaping Dark Matter Research

Physics, Quantum Physics / Jorge Paka

In our quest to comprehend the universe, our knowledge represents just a tiny fraction of the full reality. Dark matter and dark energy constitute roughly 95% of the universe, leaving a mere 5% as “ordinary matter” that we can directly observe. Dr. Rupak Mahapatra, an experimental particle physicist at Texas A&M University, develops cutting-edge semiconductor

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A Unique Form of Quantumness may be Key to Quantum Computers Success

Physics, Quantum Physics / Jorge Paka

Google researchers used their Willow quantum computer to show that quantum contextuality may be essential to its computational power. What gives quantum computers their edge over classical machines? A new experiment suggests that “quantum contextuality” could be a crucial factor. How Qubits Redefine Computing Quantum computers differ fundamentally from conventional machines because they exploit uniquely

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Searching for Dark Matter Axions Using a Quantum-Enhanced Haloscope

Physics, Quantum Physics / Valeriano Ndeyi

Axions are theoretical lightweight particles that may address two major puzzles in physics: they could explain why certain nuclear interactions preserve time symmetry and may also make up dark matter. Dark matter itself does not emit, reflect, or absorb light and has yet to be directly detected. Axions are extremely light, hypothetical particles believed to

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Scientists Confirm Successful Quantum Teleportation Between Photons

Physics, Quantum Physics / Marcílio Santos

Stuttgart team teleports quantum state between separate photonsThis breakthrough enables quantum information to travel long distances through repeaters made of ‘quantum dots’ without loss or interference. Unlike standard internet signals, which can be amplified along the way, quantum information requires photons that are nearly identical. Quantum dots—special semiconductors that emit light at extremely precise frequencies—can

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Enhancing Group Light Emission Through Atomic Interactions

Physics, Quantum Physics / Ana Kiesse Zeleme

A group of physicists from the Faculty of Physics and the Center for New Technologies at the University of Warsaw, along with researchers from Emory University in Atlanta, U.S., studied how interactions between atoms influence their collective behavior when interacting with light. Enhancing Superradiance Through Atom Interactions In a study published in Physical Review Letters,

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The First Quantum Computer Constructed with Silicon Chip Technology

Computer & Electronics, Quantum Physics, Tech / Marcílio Santos

Quantum Motion has developed a machine that is now housed at the National Quantum Computing Centre (NQCC) in Oxfordshire. Researchers there will explore its potential for solving real-world challenges, such as drug discovery. A Comprehensive Quantum Computing System Built on Scalable Silicon CMOS Technology A full-stack quantum computer is an all-in-one system integrating a Quantum

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China Launches World-First Quantum Computer Into Space

Physics, Quantum Physics / Marcílio Santos

The competition for quantum supremacy has reached a new stage—this time extending into space. China unveiled its fastest quantum computer as another milestone marked the first launched into orbit on a SpaceX rocket. China’s newly unveiled model outperforms several of the world’s most powerful supercomputers. Using a photon-based architecture, the system performs complex computations exponentially

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