Options for TDM PON beyond 10G

This paper proposes an architecture to increase the downstream transmission of TDM PON from 10-Gbps to 40-Gbps. Challenges like chromatic dispersion tolerance, optical power budget, cost, and coexistence with legacy PONs are discussed. OCIS codes: (060.0060) Fiber optics and optical communications; (060.4080) Fiber optics and optical communications: Modulation; (060.4250) Fiber optics and optical communications: Networks