Optical Components for Communications is an incomparable book that provides the reader with an understanding of a highly technical subject in a way that is both academically sound and easy to read. Readers with a fundamental understanding of physics from an undergraduate degree will find Dr. Lin's explanation of the principles of quantum physics and optics in this book easy to grasp. This book is also exceptional in its ability to span a subject from the very abstract, fundamental principles of operations to the very specific real world applications of the technology.