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Strong field quantum optics is a rapidly emerging research topic, which merges elements of non-linear photoemission rooted in strong field physics with the well-established realm of quantum optics. While the distribution of light particles (i.e., photons) has been widely documented both in classical and non-classical light sources, the impact of such distributions on photoemission processes remains poorly understood.

Particle accelerators are crucial tools in a wide variety of areas in industry, research and the medical sector. The space these machines require ranges from a few square meters to large research ...

A particle accelerator that measures just 0.2 mm in length uses laser light to accelerate electrons to speeds of a hundred thousand kilometres per second

In a first, chip-scale accelerators revved up electrons while also confining them into a beam.

Physicists measure and control electron release from metals in the attosecond range. By superimposing two laser fields of different strengths and frequency, the electron emission of metals can be measured and controlled precisely to a few attoseconds. Physicists from Friedrich-Alexander-Universit