Centrally controlled self-healing wavelength division multiplexing passive optical network based on optical carrier suppression technique

Min Zhu; Jiao Zhang; Xiaohan Sun

doi:10.1117/1.OE.54.12.126105

9 December 2015 Centrally controlled self-healing wavelength division multiplexing passive optical network based on optical carrier suppression technique

Min Zhu, Jiao Zhang, Xiaohan Sun

Author Affiliations +

Optical Engineering, Vol. 54, Issue 12, 126105 (December 2015). https://doi.org/10.1117/1.OE.54.12.126105

Abstract

We proposed and demonstrated a centrally controlled and self-healing wavelength division multiplexing passive optical network with colorless optical network units (ONUs) based on optical carrier suppression technique. By switching the affected data in the OCS signal sideband to an alternate protection path, only one optical switch is provisioned at the optical line terminal, which is controlled by a logic control circuit upon monitoring of power outage on the working path. The proposed scheme can reliably protect against both distribution and feeder fiber failures. Moreover, gain-saturated reflective semiconductor optical amplifiers are used as colorless transmitters in ONUs. The protection scheme feasibility and system performances are experimentally verified with 10 Gb/s downstream and 1.25 Gb/s upstream data in both working and protection modes. The protection switching time was measured to be around 1 ms.

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Min Zhu, Jiao Zhang, and Xiaohan Sun "Centrally controlled self-healing wavelength division multiplexing passive optical network based on optical carrier suppression technique," Optical Engineering 54(12), 126105 (9 December 2015). https://doi.org/10.1117/1.OE.54.12.126105

Published: 9 December 2015

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