June 27, 2020 - Swiss Quantum Hub

An electron inside a quantum dot is raised by a photon (green waveform) to a higher energy level. The result is a so-called exciton, an excited state consisting of two electrons and one hole. By emitting a photon (green waveform), the system returns to the ground state (green path). In rare cases, a radiative Auger process takes place (red arrow): an electron stays in the excited state, while a photon of lower energy (red waveform) is emitted. Credit: RUB, Arne Ludwig

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New insights into the energy levels in Quantum Dots

June 27, 2020June 26, 2020 wp_swiss

Researchers from University of Basel, Bochum, and Copenhagen have gained new insights into the energy states of Quantum Dots (QD). The scientists confirmed certain energy transitions in QDs that had previously only been predicted theoretically:

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