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Bidirectional Hybrid DWDM-PON for HDTV/Gigabit Ethernet/CATV Applications
Hai-Han Lu,Wen-Shing Tsai,Tzu-Shen Chien,Shih-Hung Chen,Yu-Chieh Chi,Che-Wei Liao 한국전자통신연구원 2007 ETRI Journal Vol.29 No.2
A new scheme for bi-directional HDTV/Gigabit Ethernet/CATV transmission over a hybrid densewavelength- division-multiplexing passive optical network (DWDM-PON) is proposed and demonstrated. It is based on injection-locked vertical-cavity surface-emitting lasers and distributed-feedback laser diodes as transmitters. Services with 129 HDTV channels, a 1.25 Gbps Gigabit Ethernet connection, and 77 CATV channels are successfully demonstrated over 40 km single-mode fiber links. Good performance of bit error rate, carrier-to-noise ratio, composite second order, and composite triple beat is achieved in our proposed bidirectional DWDM-PON.