Wang, KaiSuchkov, SergeyTitchener, JamesWeimann, S.Christodoulides, Demetrios NSzameit, AlexanderSukhorukov, Andrey2020-02-11July 2-5 2978-155752820-9http://hdl.handle.net/1885/201634We predict a periodic variation of the coherence between optical modes in parity-time symmetric photonic structures, and show experimentally reversible purification of incoherent light propagating along coupled conservative and lossy waveguides.This work was supported by the Australian Research Council (DP160100619); Australia-Germany Joint Research Cooperation Scheme; Erasmus Mundus (NANOPHI 2013 5659/002-001); Alexander von Humboldt-Stiftung.2 pagesapplication/pdfen-AU© OSA 2018Waveguides; Systems with special symmetry; Quantum information and processingManipulation and measurement of optical coherence in PT-symmetric photonic structures201810.1364/NP.2018.NpM4C.52019-11-25