Ultra-Fast Broadband Connectivity

Evolution of Fiber to the Passive Optical Network Equipment

Passive optical network or PON technology has emerged as the preferred method for fiber to the home deployments over the last decade. Starting with GPON standards in the early 2000s that supported data speeds up to 1 Gbps, the PON infrastructure has continued to evolve with newer and faster standards. The latest iteration, XGS-PON standard approved in 2015, supports symmetrical speeds of up to 10 Gbps over a single strand of fiber. This massive increase in bandwidth capacity allows internet service providers to deliver multi-gigabit internet speeds to residential and business customers.

Advancements in Passive Optical Network Equipment Components

One of the primary reasons behind the speed upgrades in Passive Optical Network Equipment networks has been technological progress in optical network terminals and optical line terminals. ONTs placed at customer premises and OLTs located in the central office are the critical network components that handle the transmission and splitting of optical signals. Early ONT/OLT designs for GPON supported only 1 Gbps through lower order splitting using less advanced semiconductor lasers and receivers. However, component vendors have since developed more powerful and efficient 10G XGS-PON ONT/OLT modules that employ higher order splitting with narrow linewidth lasers and avalanche photodiodes receivers to squeeze multi-gigabit throughput over a single fiber strand.

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