Highly Linearly Polarized Emission from Quantum Dash Excitons - Modelling and Experiment at the 3rd Telecom Window Topics: Laser Spectroscopy and Microscopy; Light-matter Interaction; Nanophotonics and Optical Manipulation In Proceedings of the 6th International Conference on Photonics, Optics and Laser Technology PHOTOPTICS - Volume 1, 238-241, 2018 , Funchal, Madeira, Portugal