Field Trial of Duplex, 10 Gbps x 8-user DPSK-OCDMA System using a single 16x16 Multi-port Encoder/Decoder and 16-level Phase-shifted SSFBG Encoder/Decoders

Title : Field Trial of Duplex, 10 Gbps x 8-user DPSK-OCDMA System using a single 16x16 Multi-port Encoder/Decoder and 16-level Phase-shifted SSFBG Encoder/Decoders
Author : N.Kataoka, N.Wada, X.Wang, G.Cincotti, A.Sakamoto, Y.Terada, T.Miyazaki, and K.Kitayama
Journal : IEEE/OSA J. LigthtwaveTechnol., Vol. 27, No.3, pp. 299-305, 2009.
Abstract : An optical code division multiple access (OCDMA) over wavelength division multiplexing (WDM) system could be one promising solution to the symmetric Gigabit access network with high spectral efficiency, cost effective, good flexibility and enhanced security. A cost-effective OCDMA/WDM system using a single multi-port en/decoder at an optical line terminal (OLT) and superstructured fiber Bragg grating (SSFBG) encoder/decoders at each optical network unit (ONU) in an optical network has been proposed and demonstrated. In this paper, we prepare 16-chip, 16-level phase-shifted SSFBG encoder/decoders and develop the full-asynchronous 10 Gigabit Ethernet (10GbE) interface OCDMA prototype for the first time. Field trials of duplex, fully-asynchronous, 10 Gbps x 8-user DPSK-OCDMA system over 100 km using hybrid multi-port and SSFBG encoder/decoder are demonstrated.