This means that each electron transition will produce a photon of a different frequency and hence a different colour. This causes line emission spectra to be produced, as shown below.

The conversion of solar energy into electricity usually occurs either electrically or through thermal conversion. A new mechanism, photon-enhanced thermionic emission, which combines electric as ...

By making electrons behave as waves, a collaboration of researchers from Israel and China has produced light with quantum effects, a necessary step towards controlling quantum computers ...

Optical biosensors use light waves as a probe to detect molecules, and are essential for precise medical diagnostics, ...

In quantum optics, generating entangled and spatially separated photon pairs (e.g. for quantum cryptography) is already a reality. So far, it has, however, not been possible to demonstrate an ...

Two-photon emission seen in semiconductor. 02 Feb 2007. Electrical engineers in Israel claim to have observed two photons being emitted from a single-electron process in a semiconductor for the first ...

In a step that brings silicon-based quantum computers closer to reality, researchers at Princeton University have built a device in which a single electron can pass its quantum information to a ...

Unlike the Technion source, in which light is emitted in a process involving one electron, the Cambridge source involved a two-electron “biexciton” process. While the Cambridge source is perhaps less ...

When this overwhelms a cell's antioxidant defenses, cells and tissues can be damaged and electron excitation and transfer processes can be induced, leading to photon emission. Read more These ...