We report the bi-directional transmission of 8x10Gb/s signals using an in-line SOA over 80km SMF-28 with matching DCF for the first time. Our results suggest very promising applications for bi-directional transmission in metro and access networks with simple configuration and low cost.
A new multistage scheme for dense wavelength division multiplexed passive optical networks (DWDM PON) is proposed. This scheme is realized by cascading optical interleavers with increasing periodicities. Downstream transmission of a DWDM comb consisting of four 10 Gb/s channels is demonstrated in the proposed multistage network. We also show a scheme to provide upstream transmission. Experimental results show that this technique has the potential to support many groups of customers located at various distances from the central office.
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