Optical Networking DEFINITION: A reconfigurable optical add-drop multiplexer (ROADM) is a device that can add, block, pass or redirect modulated infrared (IR) and visible light beams of various wavelengths in a fiber optic network. ROADMs are used in systems that employ wavelength division multiplexing.Before the development of optical multiplexing devices such as ROADMs, signal routing in fiber optic networks was done by converting
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Mobile internet access and the explosive demand for high bandwidth services on mobile devices have created a pivotal point for service providers. Those providers that can meet the new demands while increasing efficiency will be able to increase their market share, while those that are not will lose ground. Read on to learn how to keep up.
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