A single-fiber full-duplex hybrid TDM/WDM-PON is demonstrated to operate at
2.5/1.25 Gbps rates, with RSOA ONU. It achieves high power budget (GPON compliant) at a distances higher than 20km, and serves up to 1280 users.
Fabrega, J. M. [et al.]. Deployment analysis of TDM/WDM single fiber PON with colourless ONU operating at 2.5 Gbps subcarrier multiplexed downstream and 1.25 gbps upstream. A: National Fiber Optic Engineers Conference. "National Fiber Optic Engineers Conference 2010". San Diego, CA: 2010.