"Version: 20240701"--Title page verso.Includes bibliographical references.1. Introduction -- 1.1. The nature of light waves -- 1.2. The photon nature of light -- 1.3. The polarization states of light -- 1.4. The chemistry and physics of materials -- 1.5. Nonlinear optical (NLO) properties -- 1.6. Mechanical properties of organic crystals -- 1.7. Photonic integrated circuits (PICs)2. Properties …