A four-channel, upstream, digital filter multiple access (DFMA) passive optical network
(PON) is experimentally demonstrated for the first time in a 26 km single mode fiber (SMF) …

Cloud radio access network (C-RAN) is a new architecture to meet the ever increasing
internet data traffic. In particular, the operating expense (OPEX), mainly the energy …

In PON-based mobile fronthauls, direct inter-ONU communications without passing end-user
traffic to the OLT offer a promising solution for fulfilling the stringent latency and bandwidth …

By utilizing digital orthogonal filtering (DOF) in the digital domain, we report, for the first time,
experimental demonstrations of aggregated 30.078 Gb/s/λ transmissions of DOF …

Known hybrid orthogonal frequency division multiplexing-digital filter multiple access (OFDM-
DFMA) PONs show promise of seamless and cost-effective convergence of optical and …

DSP-enabled multi-channel aggregation techniques are promising for cost-effectively
improving the flexibility, adaptability and elasticity of fronthaul transport networks. By utilizing …

Extensive explorations are undertaken of the feasibility of utilizing self-phase modulation
(SPM) to mitigate the channel fading effect associated with digital-orthogonal-filtering …

Making use of digital filtering, drop RF signal-driven intensity modulation and passive optical
coupling, DSP-enabled flexible ROADMs, termed soft-ROADMs, are experimentally …

Optical mitigation of interchannel interference (ICI) for multiple spectrally overlapped data
channels is experimentally demonstrated without multichannel detection and channel …

Matching filter (MF)-free digital filter multiplexed (DFM) single sideband (SSB) OFDM
intensity modulation and direct detection (IMDD) dual-channel transmissions of 51.25 Gbit/s …