6.4. Asymmetrical Couplers. 6.5. Transfer Matrix Theory. 6.6. Mach-Zehnder Devices. 6.7. Directional Couplers with Periodic Overlay -- Ch. 7. Contradirectional Coupling. 7.1. Phenomenological Coupled Mode Theory. 7.2. Bragg Gratings. 7.3. Contradirectional Coupler -- Ch. 8. Planar Spectrographs. 8.1. Theory of Planar Spectrographs. 8.2. Focusing Reflection Gratings. 8.3. Phased Arrays -- Chapter A. Application of Photonics -- Chapter B. Computer Aided Engineering -- Chapter C. Component Cost Modeling -- Chapter D. Mathematical Background.
Here's the only book to comprehensively address integrated optics from both the theory and practical modeling standpoints -- it reveals crucial design methods that decrease your overall device modeling effort.