DSP-free single-wavelength 100 Gbps SDM-PON with increased splitting ratio using 10G-class DML

Fangdi Bao, Yunhong Ding, Md Nooruzzaman, Yoshimichi Amma, Yusuke Sasaki, Leif K. Oxenløwe, Hao Hu*, Toshio Morioka

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

We present beyond 100 Gbps space-division multiplexing passive optical network (SDM-PON) systems using commercial 10G-class directly modulated laser (DML) modulated with 25/28 Gbps data signals, with polarization-diversity micro-ring resonator (PD-MRR) to improve the extinction ratio (ER). A high-count multi-core fiber (HC-MCF) with low-crosstalk (XT) is used in the system, simultaneously increasing the transmission capacity and splitting ratio. Different cores of the HC-MCF are used for upstream (US) and downstream (DS) transmission, avoiding the Rayleigh backscattering noise. Thanks to compatibility with time-division multiplexing (TDM), the splitting ratio could be further increased. In addition, both symmetric and asymmetric SDM-PON architectures are proposed to meet different requirements of users. In the SDM-PON systems, a simple intensity modulation/ directly detection (IM/DD) is applied without digital signal processing (DSP), which may be a promising candidate for future large-capacity and high splitting ratio access networks.

Original languageEnglish
JournalOptics Express
Volume27
Issue number23
Pages (from-to)33915-33924
ISSN1094-4087
DOIs
Publication statusPublished - 1 Jan 2019

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