A tuneable telecom wavelength entangled light emitting diode deployed in an installed fibre network. - Xiang, Zi-Heng; Huwer, Jan; Skiba-Szymanska, Joanna; Stevenson, R. Mark; Ellis, David J. P.; Farrer, Ian; Ward, Martin B.; Ritchie, David A.; Shields, Andrew J. (Communications Physics, 2020)