Note: Intro -- Preface -- Contents -- 1 Optoelectronic properties of narrow band gap semiconductors -- 1.1 Introduction -- 1.2 Fundamental properties of NGSs -- 1.2.1 Electronic states and band structures -- 1.2.2 Structural characteristics -- 1.2.3 Crystal growth -- 1.2.4 Electronic properties -- 1.2.5 Optical properties -- 1.3 Narrow band gap semiconductors and their basic characteristics -- 1.3.1 Mercury cadmium telluride (Hg1-xCdxTe) -- 1.3.2 Indium antimonide (InSb), Indium arsenide (InAs), Indium arsenide antimonide (InAs1-xSbx) -- 1.3.3 Lead telluride (PbTe), lead selenide (PbSe), lead sulfide (PbS) and tellurium tin-lead (Pb1-xSnxTe) -- 1.3.4 Heterojunctions, quantum wells, and superlattices -- 1.4 Basic principles and applications of infrared optoelectronic devices -- 1.4.1 Basic principles of infrared detectors -- 1.4.2 Parameters for characterizing the performance of infrared detectors -- 1.4.3 Photoconductive infrared detectors -- 1.4.4 Photovoltaic infrared detectors -- 1.4.5 Quantum well infrared photodetectors -- 1.4.6 Infrared light sources: infrared light emitting devices and infrared lasers -- 2 The group velocity picture: the dynamic study of metamaterial systems -- 2.1 Introduction -- 2.2 Hyperinterface, the bridge between radiative and evanescent waves -- 2.2.1 Introduction -- 2.2.2 Model -- 2.2.3 Hyperbola dispersion and compressing light pulses effect at HI -- 2.2.4 Analysis of abnormal optical properties of HI with group velocity -- 2.2.5 Numerical experiments and results -- 2.2.6 Section summary -- 2.3 Methods for detecting vacuum polarization by evanescent modes -- 2.3.1 Study model -- 2.3.2 The phase change and delay time of evanescent waves in a tiny dissipative medium -- 2.3.3 Vacuum polarization and refraction index deviations of a vacuum -- 2.3.4 Detecting vacuum polarization: phase change and delay time. , 2.3.5 Section summary -- 2.4 The temporal coherence gain of the negative-index superlens image -- 2.4.1 Introduction -- 2.4.2 Model -- 2.4.3 Unusual phenomena -- 2.4.4 Physical images -- 2.4.5 Our theory -- 2.4.6 Section summary -- 2.5 Dynamical process for dispersive cloaking structures -- 2.5.1 Introduction -- 2.5.2 Study model -- 2.5.3 The physical dynamical picture of invisible cloaking -- 2.5.4 The key factor for the dynamics of invisible cloaking -- 2.5.5 Section summary -- 2.6 Limitation of the electromagnetic cloak with dispersive material -- 2.6.1 Introduction -- 2.6.2 The group velocity and physical limitation of invisible cloaking -- 2.6.3 Numerical results and discussion -- 2.6.4 Section summary -- 2.7 Confining the one-way mode at a magnetic domain wall -- 2.7.1 Introduction -- 2.7.2 Model -- 2.7.3 Confining the one-way mode -- 2.7.4 Robustness against roughness -- 2.7.5 Photonic splitters and benders -- 2.7.6 Section summary -- 2.8 Bullet-like light pulse in linear photonic crystals -- 2.8.1 Introduction -- 2.8.2 The condition for the existence of bullet-like light pulses -- 2.8.3 The bullet-like light pulse in PCs -- 2.8.4 Numerical validation -- 2.8.5 The effect of high-order dispersion -- 2.8.6 Section summary -- 2.9 Summary -- 3 Study of the characteristics of light propagating at the metal-based interface -- 3.1 Introduction -- 3.2 The free-electron gas model and optical constants of metal -- 3.3 Light refraction properties of a metal-based interface -- 3.3.1 Normal refraction -- 3.3.2 Calculations of effective refractive index and refraction angle -- 3.3.3 Negative refraction of metal-based artificial materials -- 3.3.4 Measurement of the effective refractive index and refractive angle of light in metal -- 3.3.5 Influence of variable refractive indices on light velocity. , 3.4 Affect of surface plasma waves on light propagation in metals -- 3.5 Conclusion -- 4 Photo-induced spin dynamics in spintronic materials -- 4.1 Introduction -- 4.2 Theory of magnetization dynamics -- 4.2.1 The Landau-Lifshitz-Gilbert (LLG) equation -- 4.2.2 The Landau-Lifshitz-Bloch (LLB) equation -- 4.3 Optical techniques in studies of spin dynamics -- 4.3.1 Time-resolved magneto-optical spectroscopy -- 4.3.2 Time-resolved magnetic second-harmonic-generation (TR-MSHG) -- 4.4 Photo-induced demagnetization and magnetic phase transition -- 4.4.1 Demagnetization in transition ferromagnetic (FM) metals -- 4.4.2 Demagnetization in other FM materials -- 4.4.3 Ultrafast magnetization generation and FM phase transition -- 4.5 Photo-induced spin precession -- 4.5.1 Uniform spin precession and spin wave in FM materials -- 4.5.2 Spin waves in ferromagnetic materials -- 4.5.3 Mechanisms of spin precession excitation -- 4.6 Photo-induced spin reversal -- 4.6.1 Spin switching and reversal in FM materials -- 4.6.2 Spin reversal in ferromagnetic materials -- 4.7 Spin dynamics at interfaces and in antiferromagnets -- 4.7.1 MSHG and magnetism at interfaces -- 4.7.2 Spin dynamics in antiferromagnets -- 4.8 Conclusions and outlook -- 5 Research on the photoelectric effect in perovskite oxide heterostructures -- 5.1 Introduction -- 5.2 Perovskite oxide -- 5.2.1 Crystal structure -- 5.2.2 Electron structure -- 5.2.3 Mechanism for photoelectric effects in bulk perovskite oxides -- 5.3 Growth of perovskite oxide films -- 5.3.1 A brief introduction to the film-growth techniques -- 5.3.2 Laser molecular beam epitaxy -- 5.4 Logitudinal photoelectric effects in perovskite oxide heterostructures -- 5.4.1 Light-generated carrier injection effects -- 5.4.2 Photovoltaic effect -- 5.4.3 Theoretical study on longitudinal photoelectric effects. , 5.5 Lateral photoelectric effect in perovskite oxide heterostructures -- 5.5.1 Background -- 5.5.2 Unusual lateral photoelectric effect in perovskite oxide heterostructures -- 5.5.3 Theoretical study -- 5.6 Summary -- 6 Magnetic resonance and coupling effects in metallic metamaterials -- 6.1 Background -- 6.2 Magnetic metamolecules -- 6.2.1 Plasmon hybridization effect -- 6.2.2 Hybridization effect in magnetic metamolecules -- 6.2.3 Stereometamaterial -- 6.2.4 Optical activity in magnetic metamolecules -- 6.2.5 Radiation of magnetic metamolecules -- 6.2.6 Other designs of magnetic metamolecules -- 6.3 One-dimensional magnetic resonator chains -- 6.3.1 Periodic magnetic resonator chain -- 6.3.2 Nonperiodic chain of magnetic resonators -- 6.3.3 Nonlinear and quantum optics of magnetic resonators -- 6.4 Magnetic plasmon crystal -- 6.4.1 Two-dimensional fishnet structure -- 6.4.2 Two-dimensional nanosandwich structures -- 6.4.3 Quantum interference in a three-dimensional magnetic plasmon crystal -- 6.5 Summary and outlook -- Index.