"Version: 20140901"--Title page verso."A Morgan & Claypool publication as part of IOP Concise Physics"--Title page verso.Includes bibliographical references.Preface -- Acknowledgement -- Author biography -- 1. Introduction -- 2. A simple model of nonlinear dielectrics3. Basic properties of photonic crystals -- 3.1. Plane wave method -- 3.2. Wannier function method -- 3.3. Computer simulation me…