in the previous few a long time, details applied sciences were evolving at an immense fee, inflicting profound adjustments to our international and our methods of lifestyles. specifically, fiber optics has been enjoying an more and more an important position in the telecommunication revolution. not just so much long-distance hyperlinks are fiber established, yet optical fibers are more and more impending the person finish clients, supplying extensive bandwidth hyperlinks to help all types of data-intensive functions similar to video, voice, and information providers. As an engineering self-discipline, fiber optics is either attention-grabbing and tough. Fiber optics is a space that includes components from quite a lot of techno- gies together with optics, microelectronics, quantum electronics, semiconductors, and networking. because of quick alterations in just about all of those parts, fiber optics is a quick evolving box. for this reason, the necessity for up to date texts that handle this becoming box from an interdisciplinary standpoint persists. This publication provides an outline of fiber optics from a realistic, engineering viewpoint. for this reason, as well as issues akin to lasers, detectors, and optical fibers, numerous issues with regards to digital circuits that generate, realize, and procedure the optical indications are coated. In different phrases, this booklet makes an attempt to provide fiber optics no longer a lot by way of a box of “optics” yet extra from the viewpoint of an engineering box inside of “optoelectronics.