In materials research, considerable progress is made by exploiting insights from the field of topology. Similar tools can now be applied to lasers. A donut is not a bun. From

Under certain conditions, the evolution of a quantum system can be rewound or fast-forwarded in time at will. Theoretical physicists from the Austrian Academy of Sciences illustrate how in their

The paper on Scattering invariant modes of light in complex media from the Rotter-Group made it on the Cover of Nature Photonics! Paper Abstract Random scattering of light in disordered