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An optical FDM-based self-healing ring network employing arrayed waveguide grating filters and EDFA's with level equalizers

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5 Author(s)
Toba, H. ; NTT Opt. Network Syst. Labs., Yokosuka, Japan ; Oda, K. ; Inoue, K. ; Nosu, K.
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An optical frequency-division multiplexing (OFDM) based self-healing unidirectional ring network is designed and its performance is verified. It employs arrayed waveguide grating add/drop multiplexers (ADMs) and erbium-doped fiber amplifiers (EDFAs) with waveguide level equalizers in each remote node. The route diversity configuration is employed to make the network robust and bit loss-free route switching is performed. The level diagram reproducibility for each OFDM channel is guaranteed by the waveguide-level equalizers. Successful transmission performance confirms the effectiveness of the proposed system

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Selected Areas in Communications, IEEE Journal on  (Volume:14 ,  Issue: 5 )