New development in critical components for 40Gbit/s long-reach passive optical networks

The presentation shows the recent progress of the development of 40Gbit/s downstream components in European Framework 7 Integrated Project “DISCUS”. The DISCUS project aims to analyse, design, and demonstrate a complete end-to-end architecture and technologies for an economically viable, energy efficient and environmentally sustainable future-proof optical network. The access network proposed in DISCUS reference architecture is a long-reach passive optical network (LR-PON), which maximises infrastructure sharing, thus massively reducing cost and power consumption per customer. In order to support increasing capacity in the downstream direction, a 40Gbit/s downstream upgrade from a 10Gbit/s LR-PON is being investigated which will enable downstream data-rate switching between the two rates via wavelength selection.