Advances in terahertz technology and its applications / / Sudipta Das [and three others] editor

• Pubblicazione: Singapore : , : Springer, , [2021]; ©2021
• Descrizione fisica: 1 online resource (375 pages)
• Disciplina: 621.38133
• Soggetto topico: Terahertz technology
• Persona (resp. second.): DasSudipta
• Nota di contenuto: Intro -- Preface -- Contents -- About the Editors -- Recent Trends in Terahertz Antenna Development Implementing Planar Geometries -- 1 Introduction -- 2 Designing of THz Antenna -- 2.1 Microstrip Patch Antenna Array -- 2.2 Sectoral H-plane Horn Antenna -- 3 Circuit Modeling of THz Antenna -- 4 Fabrication of Prototypes -- 5 Conclusion -- References -- Element Failure Correction Techniques for Phased Array Antennas in Future Terahertz Communication Systems -- 1 Introduction -- 1.1 Antenna Array Failure Correction Software Techniques -- 1.2 Antenna Array Failure Correction Hardware Solutions -- 2 Proposed IFT Antenna Array Failure Correction Technique -- 3 Single Antenna Element Design at 3.5 THz -- 3.1 3.5 THz Linear Antenna Array with Element Failure Correction -- 4 Simulation Results -- 5 Summary -- Appendix A -- References -- The Magneto Electron Statistics in Heavily Doped Doping Super-Lattices at Terahertz Frequency -- 1 Introduction -- 2 Theoretical Background -- 3 Results and Discussion -- 4 Conclusion -- References -- Circularly Polarized Dual-Band Terahertz Antenna Embedded on Badge for Military and Security Applications -- 1 Introduction -- 2 Circularly Polarized Antenna Geometry and Simulation Results -- 2.1 Return Loss of the Proposed Design -- 2.2 Design Process and Equations Used -- 2.3 VSWR of the CP Antenna -- 2.4 Farfield of the Proposed CP Antenna -- 2.5 Circularly Polarized Behavior -- 2.6 Bending Analysis -- 2.7 Surface Current Distribution -- 2.8 Parametric Study -- 3 Antenna Simulation on Badge -- 3.1 Return Loss (dB) -- 3.2 3D Radiation Pattern -- 3.3 Total Radiation Efficiency (%) -- 4 Comparison with Related Works -- 5 Conclusion -- References -- Tera-Bit Per Second Quantum Dot Semiconductor Optical Amplifier-Based All Optical NOT and NAND Gates -- 1 Introduction. ; 2 Working Principle of the Inverter and Mathematical Modeling -- 3 Results and Discussions -- 4 Application of the Inverter in Designing NAND Gate -- 5 Implementation of NAND Gate Without Using Inverter -- 6 Conclusions -- References -- Performance Analysis of Oversampled OFDM for a Terahertz Wireless Communication System -- 1 Introduction -- 2 Terahertz Wireless Communication -- 2.1 Terahertz Frequency Domain -- 2.2 THz Band Characteristics -- 2.3 Applications THz Band -- 2.4 Technologies of THz Wireless Communication System -- 2.5 THz Wireless Communication -- 2.6 Challenges of THz Wireless Communication Systems -- 3 Modulation for THz Wireless Communication System -- 3.1 Justification for the Choice of Modulation Technique -- 3.2 Oversampled OFDM Modulation in THz Band -- 4 Simulation Results and Discussions -- 4.1 Power Spectral Density -- 4.2 Cumulative Distribution Function -- 5 Conclusion -- References -- Terahertz Antenna: Fundamentals, Types, Fabrication, and Future Scope -- 1 Introduction -- 2 Development of Terahertz Antennas -- 3 Basic Terahertz Antennas -- 3.1 Metallic Antennas (Horn Antenna) -- 3.2 Traveling-Wave Corner Cube Antenna -- 3.3 Dielectric Antenna -- 3.4 Novel Antenna -- 3.5 Terahertz Photoconductive Antennas -- 3.6 Reflector Antenna -- 3.7 Terahertz Lens Antennas -- 3.8 Terahertz Microstrip Antennas -- 3.9 THz On-Chip Antennas -- 4 Terahertz Sources and Detectors -- 5 Proposed Terahertz Lecky Wave Antenna -- 5.1 Introduction -- 5.2 Terahertz Antenna Design -- 5.3 Discussion on Result -- 6 Terahertz Antenna Process Technology -- 7 Future Research on Terahertz Antenna -- 7.1 The High Value of Gain -- 7.2 Size Reduction -- 7.3 The High Degree of Incorporation -- 8 Conclusion -- References -- 1D Periodic Nonlinear Model and Using It to Design All-Optical Parity Generator Cum Checker Circuit -- 1 Introduction. ; 2 1D Periodic Nonlinear Model -- 3 All-Optical XOR Gate -- 4 Parity Bit Generator Cum Checker Circuit -- 5 Discussion -- 6 Conclusion -- References -- Section I: Wide Bandgap (WBG) Semiconductors as Terahertz Radiation Generator -- 1 Introduction -- 2 Operation Principle of IMPATT and Its Development as a Terahertz Radiation Generator -- 3 Wide Bandgap (WBG) Semiconductors as Reliable THz Source -- 4 THz Operation Based on Avalanche Response Time (ART) Analysis -- 4.1 ART Method to Find the Suitability of Silicon Carbide and Gallium Nitride -- 5 Physical Parameters of 4H-Silicon Carbide and Wurtzite-Gallium Nitride -- 5.1 Ionization Rates -- 5.2 Drift Velocity of Charge Carriers -- 5.3 Various Important Parameters -- 6 Design and Methodology -- 6.1 Device Model -- 6.2 DC Analysis -- 6.3 Analysis for Small Amplitude RF Signal -- 6.4 Large Signal Analysis -- 7 Millimeter Wave and THz Simulation Results -- 8 Conclusion -- References -- Section II: Prospect of Heterojunction (HT) IMPATT Devices as a Source of Terahertz Radiation -- 1 Introduction -- 2 Potentiality of 3C-SiC Si and AlmGa1−mN GaN Based HT IMPATTs as Promising Sources of THz Radiation -- 3 Device Design -- 4 Simulated Outputs -- 4.1 Results for HT 3C-SiC/Si and Its HM Counterparts -- 4.2 Results for HT Al0.4Ga0.6 N GaN and Its HM Counterparts -- 5 Conclusion -- References -- Advanced Materials-Based Nano-absorbers for Thermo-Photovoltaic Cells -- 1 Introduction -- 1.1 Generations of PV Cells -- 2 Basics of Thermo-Photovoltaic Cell -- 2.1 Important Parameters, Issues and Constituent Materials -- 3 Advanced Material-Based TPV Cell Absorber -- 4 Conclusion -- References -- Broadband SIW Traveling Wave Antenna Array for Terahertz Applications -- 1 Introduction -- 2 Single SIW Antenna Design -- 3 Single SIW Antenna Design -- 4 The Proposed Two-Way Linear SIW Antenna Array -- 5 Conclusion. ; References -- Polarization of THz Signals Using Graphene-Based Metamaterial Structure -- 1 Introduction -- 2 Graphene Conductivity Model -- 3 Graphene-Based Polarizer -- 4 Graphene-Based Polarizer Using Optical Fiber -- 5 Graphene Array-Based Polarizer -- 6 Graphene Gold Patch-Based Three-Layered THz Polarizer -- 6.1 Introduction and Design Modeling -- 6.2 Results and Discussion -- 7 Graphene Metamaterial-Based Polarizer -- 8 Conclusion -- References -- Terahertz Frequency, Heisenberg's Uncertainty Principle, Einstein Relation, Dimensional Quantization, and Opto-Electronic Materials -- 1 Introduction -- 2 Theoretical Background -- 3 Suggestion for Experimental Determination of ER -- 4 Result and Discussion -- 5 Conclusion -- References -- Design and Characterization of Novel Reconfigurable Graphene Terahertz Antenna Using Metamaterials -- 1 Introduction -- 1.1 Traits and Properties of THz Band -- 1.2 Evolution of THz Technology -- 1.3 Applications of THz Band -- 2 Antenna Technologies for Terahertz Communications -- 2.1 Consequences for Antenna Design -- 2.2 Different Types of THz Antenna -- 3 Material Selection at THz Band -- 3.1 Graphene for THz Devices -- 3.2 Graphene Modeling -- 4 Proposed Antenna Design -- 4.1 Design of Circular Patch Antenna -- 4.2 Metasurface Loaded Circular Patch Antenna -- 5 Conclusion -- References -- Monopole Patch Antenna to Generate and Detect THz Pulses -- 1 Introduction -- 2 MIMO Principle -- 3 MIMO Skill Categories -- 4 MIMO Channel and Signal Patterns -- 4.1 Large-Scale Phenomena -- 4.2 Small-Scale Phenomena -- 4.3 Noise -- 4.4 Channel Characterization -- 4.5 Propagation Channel Modeling -- 5 Typical Coil Parameters -- 5.1 Input Impedance -- 5.2 Coefficient of Reflection and ROS -- 5.3 Radiation Pattern -- 5.4 Antenna Directivity, Gain and Performance -- 5.5 Bandwidth and Quality Factor. ; 6 Design and Optimization of a MIMO Antenna -- 7 Conclusion -- References -- Artificial Neuron Based on Tera Hertz Optical Asymmetric Demultiplexer Using Quantum Dot Semiconductor Optical Amplifier -- 1 Introduction -- 2 Artificial Neural Networks (ANN) -- 3 Optical Neural Network -- 4 Quantum Dot Semiconductor Optical Amplifier (QDSOA) -- 5 Tera Hertz Optical Asymmetric Demultiplexer -- 6 Optical Neuron Using TOAD -- 7 Conclusions -- References -- Terahertz E-Healthcare System and Intelligent Spectrum Sensing Based on Deep Learning -- 1 Introduction -- 1.1 Contributions of the Book Chapter -- 2 Role of THz Frequency in Forthcoming Wireless Generations and E-Health Systems -- 2.1 THz Technology for Medical Applications -- 3 Terahertz E-Health System-A Novel Approach to Smart Healthcare -- 3.1 Proposed Perceptive Hierarchal Networking Architecture and Intelligent Spectrum Sensing for Medical Data Transmission -- 4 Intelligent Spectrum Sensing Based on Deep Learning Classifiers for THz E-Healthcare System -- 4.1 Recurrent Neural Network-Based Intelligent Spectrum Sensing -- 4.2 Long Short Term Memory Based Spectrum Sensing Model -- 4.3 Convolutional Neural Network-Based Spectrum Sensing Model -- 4.4 CNN-LSTM Classifier Model-Based Spectrum Sensing -- 4.5 Advantages and Disadvantages of RNN, CNN, LSTM, and CNN-LSTM Models -- 5 Conclusion -- References -- Overview of THz Antenna Design Methodologies -- 1 Introduction -- 2 Features of THz Spectrum -- 3 Applications of THz Antenna -- 3.1 Medical Application -- 3.2 Wireless Communication -- 3.3 Security -- 3.4 Space Application -- 4 Salient Features of THz Antenna -- 4.1 THz Antenna Materials -- 4.2 THz Antenna Structures -- 5 Challenges and Research Scope -- 5.1 Antenna Design Parameters -- 5.2 Antenna Fabrication -- 5.3 THz Measurement -- 5.4 Future Research Scope -- 6 Conclusion -- References. ; THz Meta-Atoms Versus Lattice to Non-invasively Sense MDAMB 231 Cells in Near Field.
• Titolo autorizzato: Advances in terahertz technology and its applications
• ISBN: 981-16-5731-9
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 996466852003316
• Lo trovi qui: Univ. di Salerno