Scientists successfully used 13,000 nuclear spins in a gallium arsenide (GaAs) quantum dot system to create a scalable ...

Single quantum dots, however, are immensely bright and easily ... elicit unexpected cytotoxicity owing to colloidal effects and photon-induced free-radical formation 11. Nevertheless, quantum ...

When excited by an external stimulus (such as a laser pulse), a quantum dot can emit a single photon as the electron-hole pair recombines. Quantum dots can be fabricated using various semiconductor ...

A programmable integrated photonic circuit that works with single photons has enabled the construction of quantum-to-quantum ... % and broadband generation of photon pairs at telecom wavelength ...

In an advance for quantum technologies, researchers at the Cavendish Laboratory, University of Cambridge, have created a ...

In a groundbreaking achievement for quantum technologies, researchers at the Cavendish Laboratory, University of Cambridge, have created a functional quantum register using the atoms inside a ...

Colloidal quantum dots are solution-based nanocrystals prized for their unique light-harvesting abilities. They can illuminate, create color, harness solar energy and function as semiconductors. These ...

Researchers in Taiwan have claimed to have created the smallest single-photon quantum computer in the world. At a press ...

Quantum dots are nanoscale objects with unique optical ... has been mostly due to their ability to operate as bright single-photon sources. However, effective quantum networks need more than ...

In quantum computers, information is often carried by single photons and picked up by structures named superconducting nanostrip single-photon detectors (SNSPDs). In principle, traditional type-I ...

Colloidal quantum dots (QDs) constitute a platform to explore ... been observed using the material platform of QDs, such as single-photon emission, spin coherence, and exciton coherence.

PLQY measures the probability that an absorbed photon will result in the emission of a photon through luminescence. PLQY is a critical parameter for evaluating the performance of luminescent materials ...