The Complete Guide to WDM-PON You Must Know

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Date: 2023-02-13 16:44:00

WDM-PON can realize the multiplexing and demultiplexing between two communication channels. It can expand the capacity of a single fiber to achieve bidirectional communication, which can be widely used in optical network upgrades and expansion. This article will provide some knowledge about WDM-PON.

What is WDM-PON?
Wavelength division multiplexing-passive optical network (WDM-PON) is an access network technology that has the potential to significantly alter carrier infrastructures. In addition, WDM-PON uses WDM multiplexing/demultiplexing technology to ensure that data signals can be divided into individual outgoing signals that are connected to buildings or homes.　

Architecture of WDM-PON
WDM-PON creates a wavelength-based logical point-to-point (P2P) architecture upon a physical point-to-multipoint (P2MP) fiber network topology. P2P architecture consists of an optical line terminal (OLT), optical distribution network (ODN), and optical network unit (ONU). The OLT and ONU should be able to emit and receive light of different wavelengths. Wavelength selection is achieved by arrayed waveguide-grating (AWG) filtering at the user.

Benefits of WDM-PON
WDM-PON provides high reliability, high bandwidth, high security, high channel isolation, low latency, low insertion loss, low polarization-dependent loss, low cost, low fiber counts, plug-and-play ONU, simple operation and maintenance (O&M), and easy deployment.

Applications
WDM-PON is used in the PON system, CATV System, FTTH, FTTB, FTTC, FTTO, FTTA, 5G front-haul/back-haul, etc.

Conclusion
WDM-PON gives service providers a graceful, long-term way to accommodate growing bandwidth requirements by maximizing the capacity of each fiber strand. In addition, WDM-PON provides low latency and low cost. Sun Telecom specializes in providing one-stop total fiber optic solutions for all fiber optic application industries worldwide. Contact us if any needs.

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