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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 ...

Optics & Photonics Dec 10, 2024

Scientists develop cost-effective lasers for extended short-wave infrared applications

Current laser technologies for the extended short-wave infrared (SWIR) spectral range rely on expensive and complex materials, limiting their scalability and affordability. To address these challenges, ICFO researchers have ...

Optics & Photonics Dec 10, 2024

Room-temperature nanodevice that generates structured light shows promise for secure communication and advanced optics

Researchers have developed a tiny, room-temperature device that creates a special type of structured light called radially polarized photons, which are highly useful for secure communication, advanced imaging, and precision ...

Optics & Photonics Dec 9, 2024

Quantum mechanical principle of strong coupling leads to better optical sensors

A team of researchers from the University of Cologne, Hasselt University (Belgium) and the University of St Andrews (Scotland) has succeeded in using the quantum mechanical principle of strong light-matter coupling for an ...

Bio & Medicine Dec 5, 2024

Experiments show coating rice seedling with nanoscale carbon dots from durian helps rice plants thrive in salty soil

Extreme weather and pollution have increased the salt content in some soil, making growing conditions harsh for salt-sensitive crops like rice. Now, researchers reporting in ACS Nano detail a possible solution that doesn't ...

Optics & Photonics Dec 3, 2024

Infrared detectors made from quantum dots—a keener eye for the invisible

What do motion detectors, self-driving cars, chemical analyzers and satellites have in common? They all contain detectors for infrared (IR) light. At their core and besides readout electronics, such detectors usually consist ...

Quantum Physics Dec 2, 2024

Physics experiment proves patterns in chaos in peculiar quantum realm

Patterns in chaos have been proven, in the incredibly tiny quantum realm, by an international team co-led by UC Santa Cruz physicist Jairo Velasco, Jr. In a new paper published on November 27 in Nature, the researchers detail ...

Optics & Photonics Nov 26, 2024

Simple method can recover and recycle quantum dots in microscopic lasers

Researchers have discovered a way to recycle the tiny particles used to create supraparticle lasers, a technology that precisely controls light at a very small scale. The breakthrough could help manage these valuable materials ...

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