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Preface | |
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Contributors | |
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Introduction | |
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Light-Induced Dynamic Gratings and Photorefraction | |
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Introduction | |
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Two-Beam Interference and Interference Gratings | |
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Material Response: Amplitude and Phase Gratings | |
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Grating Detection by Diffraction and Wave-Mixing | |
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Conclusions | |
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Fundamentals of Photorefractive Phenomena | |
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The Photorefractive Nonlinearity: Introductory Remarks | |
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Physical Mechanisms: Standard Microscopic Model | |
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Theoretical Modeling: Rate Equations | |
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Photovoltaic Drift | |
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Macroscopic Formulation | |
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Low Intensities: Continuous Wave (CW) Regime | |
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Quasi-Equilibrium (Adiabatic) Approximation | |
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Perturbative Approach to the Nonlinear Equation | |
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Sinusoidal Light Excitation at Low Modulation Linear Equation for the Field | |
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Summary of Characteristic Times, Lengths and Fields | |
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Grating Enhancement Methods | |
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High-Contrast Effects | |
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Space-Charge Waves | |
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Complicating Features to the Standard Model | |
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Localized Optical Beams | |
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Transient and Quasi-Steady-State Effects | |
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Conclusions | |
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Space-Charge Driven Holograms in Anisotropic Media | |
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Introduction | |
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Basic Considerations | |
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Light Diffraction at Thick Anisotropic Phase and Absorption Gratings | |
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Two-Wave Mixing in Anisotropic Dichroic Media | |
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Examples | |
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Conclusions | |
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Space-Charge Wave Effects in Photorefractive Materials | |
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Overview | |
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Space-Charge Wave Characteristics | |
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Linear Excitation of Space-Charge Waves | |
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Parametric Excitation of SCWs: Subharmonic Generation | |
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High-Contrast Effects in Photorefractive Response | |
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Joint Action of Material and Optical Nonlinearities | |
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Conclusions | |
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Feedback-Controlled Photorefractive Beam Coupling | |
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Introduction | |
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Operation Principle of the Feedback Setup | |
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Basic Relations for Feedback-Controlled Beam Coupling | |
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Periodic States | |
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Feedback Operation in Reflection Geometry | |
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Summary | |
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Band-to-Band Photorefraction | |
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Introduction | |
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Interband Photorefraction with cw Recording Waves | |
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Materials | |
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Applications | |
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Conclusions | |
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Two-Step Recording in Photorefractive Crystals | |
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Introduction | |
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Early Experiments | |
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Shallow Levels, Two-Level Models | |
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Two-Step Excitations via Shallow Levels | |
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Hologram Recording Utilizing Pyroelectric Fields | |
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Lifetime of the Holograms | |
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Advantages of Infrared Recording | |
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Conclusions | |
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Spatio-Temporal Instabilities and Self-Organization | |
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Pattern Formation in Nonlinear Optics | |
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Overview of Pattern Formation in Photorefractive Media | |
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Spotlight: KNbO[subscript 3]: Fe Single Feedback System | |
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Controlling Pattern Formation | |
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Summary and Outlook | |
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Photorefractive Waveguides | |
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Introduction | |
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Fundamentals of Photorefractive Waveguides | |
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Materials with Illmenite Structure | |
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Materials with Perovscite Structure | |
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Materials with Tungsten-Bronze Structure | |
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Sillenites | |
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Applications | |
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Conclusions and Outlook | |
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Photorefractive Solitons | |
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Introduction | |
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The Discovery of Solitons in Photorefractives | |
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A Saturable Nonlinearity | |
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Two-Dimensional Solitons | |
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Temporal Effects and Quasi-Steady-State Dynamics | |
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Various Photorefractive Mechanisms Supporting Self-Trapping | |
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Alternative Photorefractive Materials | |
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Soliton Interaction-Collisions | |
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Vector and Composite Solitons | |
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Incoherent Solitons: Self-trapping of Weakly-Correlated Wavepackets | |
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Applications | |
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New Ideas and Concluding Remarks | |
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Acknowledgements | |
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Thermal Fixing of Photoinduced Gratings | |
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Introduction | |
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The Thermal Fixing Technique | |
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Mathematical Formulation of the Model | |
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Experimental Aspects of Thermal Fixing | |
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Fixing in Photorefractive Waveguides | |
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Photorefractive Applications Using Thermal Fixing | |
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Summary | |
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Electrical Fixing of Photoinduced Gratings | |
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Introduction | |
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Electrical Properties | |
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Domain Fixing Mechanisms | |
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Fidelity of Fixed Holograms | |
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Index | |