Radiowaves and Polaritons in Anisotropic Media

Roland H. Tarkhanyan received his Ph.D. degree in Physics in 1966 from the A.F. Ioffe Phys. Tech. Institute, St. Petersburg, Russia, and his Dr. Habil. degree in Physics and Mathematics in 1980 from the High Examining Board in the Ministerial Council of the USSR, Moscow. He started working with the Institute of Radiophysics and Electronics of the National Academy of Sciences, Republic of Armenia, in 1966 and now holds the position of Leading Scientist there. Among his other postitions were a professorship at Yerevan State University and a post as Visiting Researcher at the Technical University of Athens and at the Greek National Research Center 'Demokritos'. He is the author of 87 publications in refereed international journals on theoretical solid state and semiconductor physics. Nikolaos K. Uzunoglu received his M.Sc. and Ph.D. degrees in 1974 and 1976 from the University of Essex, UK. Since 1987 he is Professor of the National Technical University of Athens, Department of Electrical Engineering, where he was elected as Chairman twice. His research interests include electromagnetic scattering radiation phenomena, fiber optics telecommunications and high speed circuits. In 1981 he obtained the International G. Marconi award in Telecommunications. He has published over 200 articles in journals as well as three books on Microwaves, Fiber Optics Telecommunications and Radar Systems.

Abstract. Preface. List of Contributors. Part 1 Volume Electromagnetic Waves in Anisotropic Crystals with Electronic Plasma (Roland H. Tarkhanyan). Introduction. 1 Influence of the Anisotropy on the Spectrum and Propagation of Electromagnetic,Plasma and Lattice Optical Vibrations. 1.1 Maxwell's Equations and High-Frequency Conductivity Tensor of an Anisotropic Semiconductor. 1.2 Complex Dielectric Permittivity Tensor. 1.3 Dispersion Relations for Electromagnetic Waves. Regions of Propagation. Resonances and Cut-Off Frequencies. 1.4 Phase and Group Velocities of the Waves. 1.5 Longitudinal Plasmon Vibrations and Retardation Effect in Nonpolar Semiconductors. 1.6 Long-Wavelength Optical Vibrations in Uniaxial Polar Crystals. 2 Bulk Polaritons in Uniaxial Polar Semiconductors. 2.1 Retardation Effects in Nonconducting Polar Crystals. Dispersion Relations for Phonon-Polaritons. 2.2 Dispersion of Longitudinal-Transverse Phonon-Polaritons. 2.3 Dielectric Permittivity Tensor for Uniaxial Polar Semiconductors. Coupling of Plasmons and Optical Phonons. 2.4 Coupling of Electromagnetic and Phonon-Plasmon Vibrations. 2.5 Spectrum of Extraordinary Phonon-Plasmon Polaritons. 3 Radio Waves and Polaritons in the Presence of an External Static Magnetic Field. 3.1 Dielectric Permittivity Tensor at an Arbitrary Orientation of the Magnetic Field with Respect to the Crystal Axis. 3.2 Propagation of Electromagnetic Waves in Uniaxial Nonpolar Semiconductors Along the Magnetic Field B)sub>0. 3.3 Influence of Crystal Anisotropy on the Faraday Magnetooptical Effect. 3.4 Oscillations of the Rotation Angle and the Ellipticity. 3.5 Propagation in the Direction Perpendicular to B0. 3.6 Voigt Effect in Uniaxial Semiconductors. 3.7 Influence of the Magnetic Field on Polaritons in Uniaxial Polar Semiconductors. 3.7.1 Propagation along B0. 3.7.2 Propagation in the Case of the Voigt Configuration. 4 Reflection of Electromagnetic Waves From the Surface of Uniaxial Semiconductors. 4.1 Reflection of s-Polarized Waves From the Surface of a Semi-Infinite Nonpolar Crystal. 4.2 Reflection in the Case of a p-Polarized Incident Wave. 4.3 Influence of Phonon-Plasmon Coupling on Reflection From a Polar Uniaxial Semiconductor. 4.4 Magnetoplasmon Reflection for the Faraday Configuration. 4.5 Magnetoplasmon Reflection for the Voigt Configuration. Part 2 Surface and Interface Electromagnetic Waves in Semiconductor Structures (Roland H. Tarkhanyan). Introduction. 5 Surface Polaritons in Uniaxial Semiconductors. 5.1 General Dispersion Relation of Polaritons Bound to the Surface of a Semi-Infinite Semiconductor. 5.2 Amplitude Oscillations of the Surface Waves. 5.3 Peculiarities of Surface Polaritons in Uniaxial Polar Semiconductors in Some Special Cases. 6 Surface Waves in a Uniaxial Semiconductor Slab. 6.1 General Theory. 6.2 Surface Polaritons in a Polar Semiconductor Slab. 6.3 Quasielectrostatic Surface Waves. 6.4 Influence of an External Magnetic Field. 7 Interface Magnon-Plasmon Polaritons and Total Transmission of Electromagnetic Waves Through a Semiconductor/Antiferromagnet Layered Structure. 7.1 Dispersion Relations and Conditions Necessary for the Existence of Interface Magnon-Polaritons. 7.2 Properties of TM-type Interface Magnon-Plasmon Polaritons. 7.3 Effect of Free Carriers on the Properties of TE-type Interface Polaritons. 7.4 Reflection Coefficient in the Method of Frustrated Total Internal Reflection. 7.5 Complete Transmission of Electromagnetic Waves by a Two-Layer Structure. 7.6 Influence of the Anisotropy of a Semiconductor Plasma on the Total Transmission Phenomenon. 8 Propagation of Electromagnetic Waves on a Lateral Surface of a Ferrite/Semiconductor Superlattice at Quantum Hall Effect Conditions. 8.1 Model of Effective Permeability and Permittivity Tensors. 8.2 Partial Waves and Electromagnetic Field Structure. 8.3 Interface Waves Propagating Along the Lateral Surface. 8.4 Spectrum of Interface Modes for the Voigt Configuration. 8.5 Interface Magnon-Plasmon Polaritons in Some Particular Cases. Part 3 Electromagnetic Instabilities in Uniaxial Semiconductors with Hot Carriers (Roland H. Tarkhanyan). Introduction. 9 Excitation and Amplification of the Bulk Electromagnetic Waves. 9.1 Differential Conductivity Tensor. 9.2 Dispersion Relations for the Waves in the Presence of a Strong Static Electric Field E0. 9.3 Instability of the Waves with k E0. 9.4 Effective Differential Conductivity. Instability in the Absence of a Falling Region in the Current-Voltage Characteristic. 9.5 Instability of the Waves Propagating along E0. 9.6 Excitation of Extraordinary Waves in a Uniaxial Semiconductor Plate. 9.7 Wave Amplification at Transmission through the Plate. 10 Instabilities of Surface Electromagnetic Waves and Excitation of Guided Charge Density Waves in Semiconductor Heterostructures. 10.1 Dispersion Relation for Surface Waves in Semiconductors with Hot Bulk Carriers. 10.2 Stability of Surface Waves in the Absence of Retardation. 10.3 Radiative Instability of Surface Electromagnetic Waves. 10.4 Nonradiative Instability of Interface Waves in Semiconductor Heterostructures. 10.5 Constitutive Relations for Current Perturbations in the Presence of a Hot Two-Dimensional Electron Gas (2DEG). 10.6 Excitation of Quasistatic Interface Waves in Heterostructures with a 2DEG. 10.7 Influence of Hot 2D Carriers on Excitation of Guided Microwave Charge Density Oscillations. Part 4 Radiation of a Dipole Source in the Presence of a Grounded Gyromagnetic Dielectric Medium (Nikolaos K. Uzunoglu). Introduction. 11 Radiation of a Dipole in the Presence of a Grounded Gyromagnetic Slab. 11.1 Formulation of the Problem. 11.2 Dyadic Green's Function for Perpendicular Magnetization. 11.3 Derivation of Green's Function for Parallel Magnetization. 11.4 Far-Field Behavior. 11.5 Numerical Results. References. Index.