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 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 ...
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.