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Does The Quasibound State Lifetime Restrict The High Frequency Operation Of Resonant Tunneling Diodes
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Book Synopsis Does the Quasibound-State Lifetime Restrict the High-Frequency Operation of Resonant-Tunneling Diodes by : M. Feiginov
Download or read book Does the Quasibound-State Lifetime Restrict the High-Frequency Operation of Resonant-Tunneling Diodes written by M. Feiginov and published by . This book was released on 2000 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: We have, shown that, firstly the response time (tau(resp)) of the resonant-tunneling diode (RTD) can be much smaller as well as much larger than the quasibound-state lifetime in the quantum well (tau(dwell)); secondly, the real part of the RTD conductance can be negative at the frequencies higher than the reciprocal tau(dwell). The Coulomb interaction of the electrons in the quantum well with emitter and collector is responsible for the effects. A simple analytical expression for the impedance of the RTD has been derived and it is in fairly good agreement with experimental data.
Book Synopsis Semiconductor TeraHertz Technology by : Guillermo Carpintero
Download or read book Semiconductor TeraHertz Technology written by Guillermo Carpintero and published by John Wiley & Sons. This book was released on 2015-07-14 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: Key advances in Semiconductor Terahertz (THz) Technology now promises important new applications enabling scientists and engineers to overcome the challenges of accessing the so-called "terahertz gap". This pioneering reference explains the fundamental methods and surveys innovative techniques in the generation, detection and processing of THz waves with solid-state devices, as well as illustrating their potential applications in security and telecommunications, among other fields. With contributions from leading experts, Semiconductor Terahertz Technology: Devices and Systems at Room Temperature Operation comprehensively and systematically covers semiconductor-based room temperature operating sources such as photomixers, THz antennas, radiation concepts and THz propagation as well as room-temperature operating THz detectors. The second part of the book focuses on applications such as the latest photonic and electronic THz systems as well as emerging THz technologies including: whispering gallery resonators, liquid crystals, metamaterials and graphene-based devices. This book will provide support for practicing researchers and professionals and will be an indispensable reference to graduate students in the field of THz technology. Key features: Includes crucial theoretical background sections to photomixers, photoconductive switches and electronic THz generation & detection. Provides an extensive overview of semiconductor-based THz sources and applications. Discusses vital technologies for affordable THz applications. Supports teaching and studying increasingly popular courses on semiconductor THz technology.
Book Synopsis Handbook of Terahertz Technologies by : Ho-Jin Song
Download or read book Handbook of Terahertz Technologies written by Ho-Jin Song and published by CRC Press. This book was released on 2015-04-15 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt: Terahertz waves, which lie in the frequency range of 0.1-10 THz, have long been investigated in a few limited fields, such as astronomy, because of a lack of devices for their generation and detection. Several technical breakthroughs made over the last couple of decades now allow us to radiate and detect terahertz waves more easily, which has trigg
Book Synopsis Next Generation Wireless Terahertz Communication Networks by : Saim Ghafoor
Download or read book Next Generation Wireless Terahertz Communication Networks written by Saim Ghafoor and published by CRC Press. This book was released on 2021-08-11 with total page 559 pages. Available in PDF, EPUB and Kindle. Book excerpt: The rapid growth of the data traffic demands new ways to achieve high-speed wireless links. The backbone networks, data centers, mission-critical applications, as well as end-users sitting in office or home, all require ultra-high throughput and ultra-low latency wireless links. Sophisticated technological advancement and huge bandwidth are required to reduce the latency. Terahertz band, in this regard, has a huge potential to provide these high-capacity links where a user can download the file in a few seconds. To realize the high-capacity wireless links for future applications, in this book, different aspects of the Terahertz band wireless communication network are presented. This book highlights the Terahertz channel characteristics and modeling, antenna design and beamforming, device characterization, applications, and protocols. It also provides state-of-the-art knowledge on different communication aspects of Terahertz communication and techniques to realize the true potential of the Terahertz band for wireless communication.
Book Synopsis Resonant Tunneling Diode Photonics by : Charlie Ironside
Download or read book Resonant Tunneling Diode Photonics written by Charlie Ironside and published by Morgan & Claypool Publishers. This book was released on 2019-11-11 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together two broad themes that have generated a great deal of interest and excitement in the scientific and technical community in the last 100 years or so: quantum tunnelling and nonlinear dynamical systems. It applies these themes to nanostructured solid state heterostructures operating at room temperature to gain insight into novel photonic devices, systems and applications.
Book Synopsis Resonant Tunneling in Semiconductors by : L.L. Chang
Download or read book Resonant Tunneling in Semiconductors written by L.L. Chang and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the proceedings of the NATO Advanced Research Workshop on "Resonant Tunneling in Semiconductors: Physics and Applications", held at Escorial, Spain, on May 14-18, 1990. The tremendous growth in the past two decades in the field of resonant tunneling in semiconductor heterostructures has followed, if not outpaced, the expansion wit nessed in quantum structures in general. Resonant tunneling shares also the multi disciplinary nature of that broad area, with an emphasis on the underlying physics but with a coverage of material systems on the one end and device applications on the other. Indeed, that resonant tunneling provides great flexibility in terms of materials and configurations and that it is inherently a fast process with obvious device impli cations by the presence of a negative differential resistance have contributed to the unrelenting interest in this field. These proceedings consist of 49 refereed articles; they correspond to both invited and contributed talks at the workshop. Because of the intertwinning nature of the subject matter, it has been difficult to subdivide them in well-defined sections. Instead, they are arranged in several broad categories, meant to serve only as guidelines of emphasis on different topics and aspects. The book starts with an introduction to res onant tunneling by providing a perspective of the field in the first article. This is fol lowed by discussions of different material systems with various band-structure effects.
Book Synopsis High-frequency Simulation of Resonant Tunneling Diodes by : Wan-Rone Liou
Download or read book High-frequency Simulation of Resonant Tunneling Diodes written by Wan-Rone Liou and published by . This book was released on 1993 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Vladimir Vasilʹevich Mitin Publisher :Cambridge University Press ISBN 13 :9780521636353 Total Pages :670 pages Book Rating :4.6/5 (363 download)
Book Synopsis Quantum Heterostructures by : Vladimir Vasilʹevich Mitin
Download or read book Quantum Heterostructures written by Vladimir Vasilʹevich Mitin and published by Cambridge University Press. This book was released on 1999-07-13 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum Heterostructures provides a detailed description of the key physical and engineering principles of quantum semiconductor heterostructures. Blending important concepts from physics, materials science, and electrical engineering, it also explains clearly the behavior and operating features of modern microelectronic and optoelectronic devices. The authors begin by outlining the trends that have driven development in this field, most importantly the need for high-performance devices in computer, information, and communications technologies. They then describe the basics of quantum nanoelectronics, including various transport mechanisms. In the latter part of the book, they cover novel microelectronic devices, and optical devices based on quantum heterostructures. The book contains many homework problems and is suitable as a textbook for undergraduate and graduate courses in electrical engineering, physics, or materials science. It will also be of great interest to those involved in research or development in microelectronic or optoelectronic devices.
Book Synopsis III-V Tunneling Based Quantum Devices for High Frequency Applications by : Tyler A. Growden
Download or read book III-V Tunneling Based Quantum Devices for High Frequency Applications written by Tyler A. Growden and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A compact and coherent terahertz (THz) source which can operate at room temperature is highly sought after for applications ranging from ultra-high speed wireless and fiber communications, medical imaging, security imaging, spectroscopy, and sensing. While the technology to generate and receive power at these frequencies does exist, it is impractical and lacks the ability to efficiently operate at room temperature. There are some electronic devices which are capable of operating at the low frequency end of the THz spectrum, however, they suffer from very low output power. The lack of viable sources, detectors, and interconnects at these frequencies has led to the well-known “THz gap” problem. This dissertation explores the use of tunneling-based devices to address these challenges. Presently, resonant tunneling diodes (RTDs) have reported the highest room temperature oscillation frequency (>1 THz) of any electronic device. However, traditional InGaAs/AlAs and InAs/AlSb RTD-based sources all struggle from very low output power (μW levels). As a result of relatively modest conduction band barrier heights, the voltage and current span of the negative differential resistance (NDR) region of these devices is insufficient for significant power generation. To address this problem, large conduction band barrier GaN-based RTDs were developed here. Highly repeatable room temperature NDR for GaN-based RTDs is reported for the first time. Subsequent simulations based on non-equilibrium Green’s functions (NEGF) were done to optimize future growths. Details of the growth, device design, process development, simulation, and characterization techniques are discussed. A fundamental understanding of the electron-transport delays associated with the operation of high frequency RTD-based devices is essential to optimize performance. To this end, research on the effect that quantum-well (QW) lifetime has on the large-signal RTD switching time was carried out. A high-speed oscilloscope was used to obtain experimental evidence that the QW lifetime and RC 10-90% switching time act independently and that the QW lifetime acts as a quantum-limit on the RTD speed. Finally, while developing GaN/AlN RTDs, high intensity near-UV (360nm) light emission was observed under both positive and negative bias just past the NDR region. Consequently, the origin of light emission in an RTD was exhaustively explored and is reported here for the first time.
Book Synopsis High Frequency Circuit Applications of Resonant Tunneling Diodes by : Scott K. Diamond
Download or read book High Frequency Circuit Applications of Resonant Tunneling Diodes written by Scott K. Diamond and published by . This book was released on 1990 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Physics and Applications of Resonant Tunnelling Diodes by : Hiroshi Mizuta
Download or read book The Physics and Applications of Resonant Tunnelling Diodes written by Hiroshi Mizuta and published by Cambridge University Press. This book was released on 1995-09-14 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the first to give a comprehensive description of the physics and applications of resonant tunneling diodes. The opening chapters of the book set out the basic principles of coherent tunneling theory. The authors describe in detail the effects of impurity scattering, femtosecond dynamics, non-equilibrium distribution, and intrinsic bistabilities. They review the applications of RTDs, such as in high-frequency signal generation and multi-valued data storage, and close the book with a chapter on the new field of resonant tunneling through laterally confined zero-dimensional structures. Covering all the key theoretical and experimental aspects of this active area of research, the book will be of great value to graduate students of quantum transport physics and device engineering, as well as to researchers in both these fields.
Book Synopsis Proceedings of the 19th Annual Conference on the Physics and Chemistry of Semiconductor Interfaces by : Thomas C. MacGill
Download or read book Proceedings of the 19th Annual Conference on the Physics and Chemistry of Semiconductor Interfaces written by Thomas C. MacGill and published by . This book was released on 1992 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High Efficiency and High Frequency Resonant Tunneling Diode Sources by : Andrei Cătălin Cornescu
Download or read book High Efficiency and High Frequency Resonant Tunneling Diode Sources written by Andrei Cătălin Cornescu and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hot Carriers in Semiconductor Nanostructures by : Jagdeep Shah
Download or read book Hot Carriers in Semiconductor Nanostructures written by Jagdeep Shah and published by Elsevier. This book was released on 2012-12-02 with total page 525 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nonequilibrium hot charge carriers play a crucial role in the physics and technology of semiconductor nanostructure devices. This book, one of the first on the topic, discusses fundamental aspects of hot carriers in quasi-two-dimensional systems and the impact of these carriers on semiconductor devices. The work will provide scientists and device engineers with an authoritative review of the most exciting recent developments in this rapidly moving field. It should be read by all those who wish to learn the fundamentals of contemporary ultra-small, ultra-fast semiconductor devices. - Topics covered include - Reduced dimensionality and quantum wells - Carrier-phonon interactions and hot phonons - Femtosecond optical studies of hot carrier - Ballistic transport - Submicron and resonant tunneling devices
Book Synopsis Electrical & Electronics Abstracts by :
Download or read book Electrical & Electronics Abstracts written by and published by . This book was released on 1994 with total page 1084 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Conference Proceedings written by and published by . This book was released on 1993 with total page 1052 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1990 with total page 818 pages. Available in PDF, EPUB and Kindle. Book excerpt:
