Update on WDM-PON

We present a status update on WDM-PON, with respect to current implementation trends and standardization. Relevant aspects of WDM-PON are being standardized in the ITU-T G.989 and G.metro Recommendation series. This is complemented by the availability of first tunable lasers with cost reduced to long-haul lasers which support bit rates of 10 Gb/s. This allows WDM-PON as a cost-effective infrastructure solution for broadband services, covering distances of up to 80 km. This can be used, for example, to connect geographically dispersed research and education sites to termination points of national networks.

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DWDM developments

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