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 media is an intriguing phenomenon of fundamental relevance to various applications1. Although techniques such as wavefront shaping and transmission matrix measurements2,3 have enabled remarkable progress in advanced imaging concepts4,5,6,7,8,9,10,11, the most successful strategy to obtain clear images through a disordered medium remains the filtering of ballistic light12,13,14. Ballistic photons with a scattering-free propagation are, however, exponentially rare and no known method has been able to increase their proportion. To address these limitations, we introduce and experimentally implement a new set of optical states that we term scattering invariant modes, whose transmitted field pattern is the same, irrespective of whether they scatter through a disordered sample or propagate ballistically through a homogeneous medium. We observe scattering invariant modes that are only weakly attenuated in dense scattering media, and show in simulations that their correlations with the ballistic light can be used to improve imaging inside scattering materials.
Atoms, molecules or even living cells can be manipulated with light beams. At TU Wien a method was developed to revolutionize such “optical tweezers”. Taylored light wave – Intensity distribution
The registration for 2022 joint VCQ and AppQInfo summer school is now open! The school will be held in Vienna from August 29th to September 2nd 2022 and focus on quantum information, highlighting novel
How do you measure objects that you can’t see under normal circumstances? Utrecht University and TU Wien (Vienna) open up new possibilities with special light waves. When light gets deflected
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