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What is DWDM?
How does DWDM work?

DWDM (Dense Wavelength Division Multiplexing) is a technology capable of combining multiple channels into a single fiber or a pair of fibers, optimizing the utilization of cables and fiber optic pathways.

DWDM devices (multiplexer or Mux for short) combine the output of multiple optical transmitters for transmission over a single optical fiber.

At the receiving end, another DWDM device (demultiplexer or Demux for short) separates the combined optical signals and routes each channel to an optical receiver. Only one optical fiber is used between DWDM devices (per transmission direction). Instead of necessitating one optical fiber per transmitter-receiver pair, DWDM enables multiple optical channels to share a single fiber-optic cable.


All signals

on a single fiber

or dual fiber

DWDM systems utilize wavelengths within the range of 1500nm to 1600nm and offer a high transmission capacity per channel. For instance, in the TJ1600 series, they can transmit from 1Gbps to 600Gbps per channel.

Currently, owing to its more affordable cost, DWDM is accessible even for small ISPs that often face capacity bottlenecks due to the ever-increasing demand for bandwidth and new services.

ISPs can cater to the needs of small and medium-sized network links using compact DWDM solutions like the PK200 series, without the need for transponders. They can start with a few channels and progressively expand their capacity.

DWDM Parks Solutions

multiplexadores PK200 dwdm
multiplexador pk3000 dwdm
PK400-SFP+-DWDM parks

DCI - 1.6 e 3.2 Tbps

PK200 Mux/Demux
4, 8 or 16 channels
10Gbps or 100Gbps

Diferent Solutions
100Gbps or 200Gbps

Channels 20 to 60, 10Gbps

Interested in learning more about DWDM?

Parks has created an e-book packed with extensive information, theory, and real-world usage scenarios, which can be highly beneficial for anyone looking to start or enhance their understanding of this technology.

In this e-book, you'll gain insights into how DWDM functions and its applications in data distribution networks across various scenarios, accommodating different distances and data volumes (Gbps).

A Parks preparou um e-book com uma grande quantidade de informações, teoria e exemplos de cenários de uso, extremamente úteis para quem está querendo iniciar ou aprimorar o uso da tecnologia.


Neste e-book você vai entender o funcionamento do DWDM e como ele é utilizado nas redes de distribuição de dados com as mais variadas situações, diferentes distâncias e quantidade de dados transportados (Gbps).

Do you need guidance on selecting the most suitable elements for your project?
diagram de projeto dwdm pk3000
Our team of DWDM engineers is here to assist you.
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