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Optics & Photonics Feb 24, 2025

Scientists reveal key to affordable, room-temperature quantum light

Quantum light sources are fickle. They can flicker like stars in the night sky and can fade out like a dying flashlight. However, newly published research from the University of Oklahoma proves that adding a covering to one ...

Quantum Physics Feb 20, 2025

Newly realized nuclear-spin dark state promises reduced quantum decoherence

Quantum computers, which operate leveraging quantum mechanics phenomena, could eventually tackle some optimization and computational problems faster and more efficiently than their classical counterparts. Instead of bits, ...

Quantum Physics Feb 18, 2025

Light-powered breakthrough enables precision tuning of quantum dots

Researchers at North Carolina State University have demonstrated a new technique that uses light to tune the optical properties of quantum dots—making the process faster, more energy-efficient and environmentally sustainable—without ...

Condensed Matter Feb 13, 2025

Scientists achieve electrical manipulation of spin filling sequence in bilayer graphene quantum dots

A research team from the University of Science and Technology of China has demonstrated the ability to electrically manipulate the spin filling sequence in a bilayer graphene (BLG) quantum dot (QD). This achievement, published ...

Quantum Physics Feb 12, 2025

Scientists directly prove the existence of a nuclear-spin dark state

Quantum computers have the potential to revolutionize technology by solving complex calculations and computations that are difficult, if not impossible, for traditional computers. One major roadblock, however, is instability—quantum ...

Nanophysics Jan 30, 2025

Light-twisting materials created from nano semiconductors could be a game-changer for optics

Cornell scientists have developed a novel technique to transform symmetrical semiconductor particles into intricately twisted, spiral structures—or "chiral" materials—producing films with extraordinary light-bending properties.

Quantum Physics Jan 29, 2025

Scientists create new register with thousands of entangled nuclei to scale quantum networks

In an advance for quantum technologies, researchers at the Cavendish Laboratory, University of Cambridge, have created a functional quantum register using the atoms inside a semiconductor quantum dot.

Quantum Physics Jan 23, 2025

Study demonstrates integration of 1,024 silicon quantum dots with on-chip electronics all operating at low temperatures

Quantum computers have the potential of outperforming classical computers on some optimization tasks. Yet scaling up quantum computers leveraging existing fabrication processes while also maintaining good performances and ...

Nanophysics Jan 7, 2025

Quantum dots enhance spin chemistry in radical pairs

Colloidal quantum dots (QDs) constitute a platform to explore various quantum effects. Their size-dependent colors are essentially a naked-eye, ambient-condition visualization of the quantum confinement effect.

Quantum Physics Jan 7, 2025

The first observation of time-domain oscillations between two distant semiconductor spin qubits

Quantum computing holds the promise of outperforming classical computing on some optimization and data processing tasks. The creation of highly performing large-scale quantum computers, however, relies on the ability to support ...

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