Next generation optical access technologies

The TWDM-PON primary solution for FSAN NG-PON2 is optional WDM-PON overlay. Other technologies have their merits, but higher risk in 2015 time frame (target of FSAN NG-PON2). NG-PON uses expected for wireline and wireless backhaul, business . The future research directions are the following: low cost technologies within existing standards framework (components, systems); reduce operational cost; support multi-provider and multi-service (business, residential, backhaul); green access solutions (in CO and at CPE); and new long-term concepts beyond standards (needs compelling advantage over standard solution and at lower cost).