From the Optical Switching and Networking Handbook, an unequaled guide to optical technologies, comes this concise, practical introduction to wave-division multiplexing and dense wave division. Featured topics include the demand for bandwidth; wave-division multiplexing; and benefits of fiber over other forms of media. No matter where you work in telecom or convergence, this one-of-a-kind eBook excerpt gives you a practical approach to optical technologies and their applications.