What is...Articles

What is...Articles

In this section of Lightwave, we'll feature Articles, news, products, blogs and videos covering technologies and trends in the optical and broadband market segments. We'll provide overviews on key technologies.

What Is Dense Wavelength Division Multiplexing (DWDM)?

April 2, 2026

Dense Wavelength Division Multiplexing (DWDM) is a fiber-optic transmission technology that enables multiple data channels to be transmitted simultaneously over a single optical fiber.