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We demonstrate a cost-effective WDM source for broadcast service using a reflective modulator (such as F-P LD or RSOA) with ASE injection. This optical source provides simple and high capacity broadcast services with direct modulation.
Based on a low-cost injection locked F-P LD WDM-PON, we have implemented a multicast network for video signal at 19.2Mbps and measured the packet loss.
WDM-PON can deliver huge bandwidth to customer premises with protocol transparency. This feature enables application of WDM-PON beyond last mile access. The colorless transceiver can simplify management of system considerably.
We propose and demonstrate a simple decision threshold control circuit. By employing this method, we demonstrate a feasibility of WDM-PON at 1.25 Gb/s per channel with 100 GHz spacing based on the wavelength-locked F-P LDs.
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