10.18453/rosdok_id00004262 Weidemann, Sebastian Sebastian Weidemann http://d-nb.info/gnd/1286935091 https://orcid.org/0000-0002-0090-1760 Universität Rostock 2022 530 Physics 2022 en http://purl.uni-rostock.de/rosdok/id00004262 urn:nbn:de:gbv:28-rosdok_id00004262-9 In this thesis, the interplay between topology, disorder, and dissipation is investigated both theoretically and experimentally. Embedded into the field of non-Hermitian physics, one-dimensional lattice models are studied, which are governed by a Schrödinger equation with a non-Hermitian Hamiltonian. These models are experimentally implemented by means of classical light propagation in coupled optical fibre loops.