Quaternary Capped Ingaas Gaas Quantum Dot Infrared Photodetectors

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Quaternary Capped In(Ga)As/GaAs Quantum Dot Infrared Photodetectors

Author : Sourav Adhikary
Publisher : Springer
ISBN 13 : 9811052905
Total Pages : 72 pages
Book Rating : 4.8/5 (11 download)

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Book Synopsis Quaternary Capped In(Ga)As/GaAs Quantum Dot Infrared Photodetectors by : Sourav Adhikary

Download or read book Quaternary Capped In(Ga)As/GaAs Quantum Dot Infrared Photodetectors written by Sourav Adhikary and published by Springer. This book was released on 2017-09-06 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces some alternative methods for enhancing the performance of In(Ga)As/GaAs-based quantum dot infrared photodetectors (QDIPs). In(Ga)As/GaAs-based QDIPs and focal plane array (FPA) cameras have wide application in fields such as military and space science. The core of the study uses a combination of quaternary In0.21Al0.21Ga0.58As and GaAs spacer as a capping layer on In(Ga)As/GaAs quantum dots in the active region of the detector structure. For the purposes of optimization, three types of samples growths are considered with different capping thicknesses. The results presented include TEM, XRD and photoluminescence studies that compare combination barrier thickness and its effect on structural and optical properties. Compressive strain within the heterostructure, thermal stability in high temperature annealing, spectral response, shifts in PL peaks peak,and responsivity and detectivity are all considered. The results also present a narrow spectral width that was obtained by using InAs QDs which is very useful for third generation FPA camera application. The book details effect of post-growth rapid thermal annealing on device characteristics and methods to enhance responsivity and peak detectivity. The contents of this book will be useful to researchers and professionals alike.

Impact of Ion Implantation on Quantum Dot Heterostructures and Devices

Author : Arjun Mandal
Publisher : Springer
ISBN 13 : 9811043345
Total Pages : 84 pages
Book Rating : 4.8/5 (11 download)

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Book Synopsis Impact of Ion Implantation on Quantum Dot Heterostructures and Devices by : Arjun Mandal

Download or read book Impact of Ion Implantation on Quantum Dot Heterostructures and Devices written by Arjun Mandal and published by Springer. This book was released on 2017-06-02 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book looks at the effects of ion implantation as an effective post-growth technique to improve the material properties, and ultimately, the device performance of In(Ga)As/GaAs quantum dot (QD) heterostructures. Over the past two decades, In(Ga)As/GaAs-based QD heterostructures have marked their superiority, particularly for application in lasers and photodetectors. Several in-situ and ex-situ techniques that improve material quality and device performance have already been reported. These techniques are necessary to maintain dot density and dot size uniformity in QD heterostructures and also to improve the material quality of heterostructures by removing defects from the system. While rapid thermal annealing, pulsed laser annealing and the hydrogen passivation technique have been popular as post-growth methods, ion implantation had not been explored largely as a post-growth method for improving the material properties of In(Ga)As/GaAs QD heterostructures. This work attempts to remedy this gap in the literature. The work also looks at introduction of a capping layer of quaternary alloy InAlGaAs over these In(Ga)As/GaAs QDs to achieve better QD characteristics. The contents of this volume will prove useful to researchers and professionals involved in the study of QDs and QD-based devices.

Photodetectors

Author : Bahram Nabet
Publisher : Woodhead Publishing
ISBN 13 : 0081028768
Total Pages : 516 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Photodetectors by : Bahram Nabet

Download or read book Photodetectors written by Bahram Nabet and published by Woodhead Publishing. This book was released on 2023-02-10 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt: Every bit of information that circulates the internet across the globe is a pulse of light, that at some point will need to be converted to an electric signal in order to be processed by the electronic circuitry in our data centers, computers, and cell phones. Photodetectors (PD's) perform this conversion with ultra high speed and efficiency, in addition to being ubiquitously present in many other devices ranging from the mundane TV remote controls, to ultra high resolution instrumentation used in Laser Interferometer Gravitational Wave Observatory (LIGO) that reach the edge of the universe and measure gravitational waves. The second edition of "Photodetectors" fully updates the popular first edition with updated information covering the state-of-the-art in modern photodetectors. The 2nd edition starts with basic metrology of photodetectors and common figures-of-merit to compare various devices. It follows with chapters that discuss single-photon detection with Avalanche Photodiodes; organic photodetectors that can be inkjet printed; and silicon-germanium PDs popular in burgeoning field of Silicon Photonics. Internationally recognized experts contribute chapters on one-dimensional, nanowire, PDs as well as high speed zero-dimensional, quantum dot, versions that increase the spectral span as well as speed and sensitivity of PDs and can be produced on various substrates. Solar-blind PDs that operate in harsh environments such as deep space, or rocket engines, are reviewed and new devices in GaN technology . Novel Plasmonic PDs, as well as devices which employ micro-plasma of confined charge in order to make devices that overcome speed limitation of transfer of electronic charge, are covered in other chapters. Using different, novel technologies, CMOS compatible devices are described in two chapters, and ultra high speed PDs that use low-temperature-grown GaAs (LT-GaAs) to detect fast THz signals are reviewed in another chapter. Photodetectors used in application areas of Silicon-Photonics and Microwave-Photonics are reviewed in final chapters of this book. All chapters are of a review nature, providing a perspective of the field before concentrating on particular advancements. As such, the book should appeal to a wide audience that ranges from those with general interest in the topic, to practitioners, graduate students and experts who are interested in the state-of-the-art in photodetection. - Addresses various photodetector devices from ultra high speed to ultra high sensitivity, capable of operation in harsh environments - Considers a range of applications for this important technology, including silicon photonics and photonic integrated circuits - Includes discussions of detectors based on reduced dimensional systems such as quantum wells, nanowires, and quantum dots, as well as travelling wave, and plasmonic detectors

Structural, Optical and Spectral Behaviour of InAs-based Quantum Dot Heterostructures

Author : Saumya Sengupta
Publisher : Springer
ISBN 13 : 9811057028
Total Pages : 77 pages
Book Rating : 4.8/5 (11 download)

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Book Synopsis Structural, Optical and Spectral Behaviour of InAs-based Quantum Dot Heterostructures by : Saumya Sengupta

Download or read book Structural, Optical and Spectral Behaviour of InAs-based Quantum Dot Heterostructures written by Saumya Sengupta and published by Springer. This book was released on 2017-08-04 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores the effects of growth pause or ripening time on the properties of quantum dots(QDs). It covers the effects of post-growth rapid thermal annealing (RTA) treatment on properties of single layer QDs. The effects of post-growth rapid thermal annealing (RTA) treatment on properties of single layer QDs are discussed. The book offers insight into InAs/GaAs bilayer QD heterostructures with very thin spacer layers and discusses minimum spacer thickness required to grow electronically coupled bilayer QD heterostructures. These techniques make bilayer QD heterostructures a better choice over the single layer and uncoupled multilayer QD heterostructure. Finally, the book discusses sub-monolayer (SML) growth technique to grow QDs. This recent technique has been proven to improve the device performance significantly. The contents of this monograph will prove useful to researchers and professionals alike.

Advances in Semiconductor Nanostructures

Author : Alexander V. Latyshev
Publisher : Elsevier
ISBN 13 : 0128105135
Total Pages : 553 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Advances in Semiconductor Nanostructures by : Alexander V. Latyshev

Download or read book Advances in Semiconductor Nanostructures written by Alexander V. Latyshev and published by Elsevier. This book was released on 2016-11-10 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Semiconductor Nanostructures: Growth, Characterization, Properties and Applications focuses on the physical aspects of semiconductor nanostructures, including growth and processing of semiconductor nanostructures by molecular-beam epitaxy, ion-beam implantation/synthesis, pulsed laser action on all types of III–V, IV, and II–VI semiconductors, nanofabrication by bottom-up and top-down approaches, real-time observations using in situ UHV-REM and high-resolution TEM of atomic structure of quantum well, nanowires, quantum dots, and heterostructures and their electrical, optical, magnetic, and spin phenomena. The very comprehensive nature of the book makes it an indispensable source of information for researchers, scientists, and post-graduate students in the field of semiconductor physics, condensed matter physics, and physics of nanostructures, helping them in their daily research. - Presents a comprehensive reference on the novel physical phenomena and properties of semiconductor nanostructures - Covers recent developments in the field from all over the world - Provides an International approach, as chapters are based on results obtained in collaboration with research groups from Russia, Germany, France, England, Japan, Holland, USA, Belgium, China, Israel, Brazil, and former Soviet Union countries

Frontiers in Electronic Technologies

Author : S.R.S Prabaharan
Publisher : Springer
ISBN 13 : 9811042357
Total Pages : 167 pages
Book Rating : 4.8/5 (11 download)

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Book Synopsis Frontiers in Electronic Technologies by : S.R.S Prabaharan

Download or read book Frontiers in Electronic Technologies written by S.R.S Prabaharan and published by Springer. This book was released on 2017-03-23 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a collection of keynote lectures from international experts presented at International Conference on NextGen Electronic Technologies (ICNETS2-2016). ICNETS2 encompasses six symposia covering all aspects of electronics and communications domains, including relevant nano/micro materials and devices . This volume comprises of recent research in areas like computational signal processing analysis, intelligent embedded systems, nanoelectronic materials and devices, optical and microwave technologies, VLSI design: circuits systems and application, and wireless communication networks, and the internet of things. The contents of this book will be useful to researchers, professionals, and students working in the core areas of electronics and their applications, especially to signal processing, embedded systems, and networking.

Impact of Ion Implantation on Quantum Dot Heterostructures and Devices

Author : Arjun Mandal
Publisher : Springer
ISBN 13 : 9789811043338
Total Pages : 0 pages
Book Rating : 4.0/5 (433 download)

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Book Synopsis Impact of Ion Implantation on Quantum Dot Heterostructures and Devices by : Arjun Mandal

Download or read book Impact of Ion Implantation on Quantum Dot Heterostructures and Devices written by Arjun Mandal and published by Springer. This book was released on 2017-06-16 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book looks at the effects of ion implantation as an effective post-growth technique to improve the material properties, and ultimately, the device performance of In(Ga)As/GaAs quantum dot (QD) heterostructures. Over the past two decades, In(Ga)As/GaAs-based QD heterostructures have marked their superiority, particularly for application in lasers and photodetectors. Several in-situ and ex-situ techniques that improve material quality and device performance have already been reported. These techniques are necessary to maintain dot density and dot size uniformity in QD heterostructures and also to improve the material quality of heterostructures by removing defects from the system. While rapid thermal annealing, pulsed laser annealing and the hydrogen passivation technique have been popular as post-growth methods, ion implantation had not been explored largely as a post-growth method for improving the material properties of In(Ga)As/GaAs QD heterostructures. This work attempts to remedy this gap in the literature. The work also looks at introduction of a capping layer of quaternary alloy InAlGaAs over these In(Ga)As/GaAs QDs to achieve better QD characteristics. The contents of this volume will prove useful to researchers and professionals involved in the study of QDs and QD-based devices.

Fabrication of GaAs Devices

Author : Albert G. Baca
Publisher : IET
ISBN 13 : 9780863413537
Total Pages : 372 pages
Book Rating : 4.4/5 (135 download)

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Book Synopsis Fabrication of GaAs Devices by : Albert G. Baca

Download or read book Fabrication of GaAs Devices written by Albert G. Baca and published by IET. This book was released on 2005-09 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides fundamental and practical information on all aspects of GaAs processing and gives pragmatic advice on cleaning and passivation, wet and dry etching and photolithography. Other topics covered include device performance for HBTs (Heterojunction Bipolar Transistors) and FETs (Field Effect Transistors), how these relate to processing choices, and special processing issues such as wet oxidation, which are especially important in optoelectronic devices. This book is suitable for both new and practising engineers.

Infrared Photon Detectors

Author : Antoni Rogalski
Publisher : SPIE-International Society for Optical Engineering
ISBN 13 :
Total Pages : 644 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Infrared Photon Detectors by : Antoni Rogalski

Download or read book Infrared Photon Detectors written by Antoni Rogalski and published by SPIE-International Society for Optical Engineering. This book was released on 1995 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Sensors Based on Nanostructured Materials

Author : Francisco J. Arregui
Publisher : Springer Science & Business Media
ISBN 13 : 0387777539
Total Pages : 329 pages
Book Rating : 4.3/5 (877 download)

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Book Synopsis Sensors Based on Nanostructured Materials by : Francisco J. Arregui

Download or read book Sensors Based on Nanostructured Materials written by Francisco J. Arregui and published by Springer Science & Business Media. This book was released on 2010-07-07 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the many different techniques and methods of fabricating materials on the nanometer scale, and, specifically, the utilization of these resources with regard to sensors. The techniques described are studied from an application-oriented perspective, providing the reader with a perspective of the types of nanostructured sensors available that is broader than other books which concentrate on theoretical situations related to specific fabrication techniques.

Infrared Detectors

Author : Antonio Rogalski
Publisher : CRC Press
ISBN 13 : 1420076728
Total Pages : 900 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Infrared Detectors by : Antonio Rogalski

Download or read book Infrared Detectors written by Antonio Rogalski and published by CRC Press. This book was released on 2010-11-15 with total page 900 pages. Available in PDF, EPUB and Kindle. Book excerpt: Completely revised and reorganized while retaining the approachable style of the first edition, Infrared Detectors, Second Edition addresses the latest developments in the science and technology of infrared (IR) detection. Antoni Rogalski, an internationally recognized pioneer in the field, covers the comprehensive range of subjects necessary to un

The k p Method

Author : Lok C. Lew Yan Voon
Publisher : Springer Science & Business Media
ISBN 13 : 3540928723
Total Pages : 452 pages
Book Rating : 4.5/5 (49 download)

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Book Synopsis The k p Method by : Lok C. Lew Yan Voon

Download or read book The k p Method written by Lok C. Lew Yan Voon and published by Springer Science & Business Media. This book was released on 2009-06-06 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: I ?rst heard of k·p in a course on semiconductor physics taught by my thesis adviser William Paul at Harvard in the fall of 1956. He presented the k·p Hamiltonian as a semiempirical theoretical tool which had become rather useful for the interpre- tion of the cyclotron resonance experiments, as reported by Dresselhaus, Kip and Kittel. This perturbation technique had already been succinctly discussed by Sho- ley in a now almost forgotten 1950 Physical Review publication. In 1958 Harvey Brooks, who had returned to Harvard as Dean of the Division of Engineering and Applied Physics in which I was enrolled, gave a lecture on the capabilities of the k·p technique to predict and ?t non-parabolicities of band extrema in semiconductors. He had just visited the General Electric Labs in Schenectady and had discussed with Evan Kane the latter’s recent work on the non-parabolicity of band extrema in semiconductors, in particular InSb. I was very impressed by Dean Brooks’s talk as an application of quantum mechanics to current real world problems. During my thesis work I had performed a number of optical measurements which were asking for theoretical interpretation, among them the dependence of effective masses of semiconductors on temperature and carrier concentration. Although my theoretical ability was rather limited, with the help of Paul and Brooks I was able to realize the capabilities of the k·p method for interpreting my data in a simple way.

International Aerospace Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 1042 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis International Aerospace Abstracts by :

Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 1042 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Semiconductor Nanostructures for Optoelectronic Applications

Author : Todd D. Steiner
Publisher : Artech House
ISBN 13 : 9781580537520
Total Pages : 438 pages
Book Rating : 4.5/5 (375 download)

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Book Synopsis Semiconductor Nanostructures for Optoelectronic Applications by : Todd D. Steiner

Download or read book Semiconductor Nanostructures for Optoelectronic Applications written by Todd D. Steiner and published by Artech House. This book was released on 2004 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation Tiny structures measurable on the nanometer scale (one-billionth of a meter) are known as nanostructures, and nanotechnology is the emerging application of these nanostructures into useful nanoscale devices. As we enter the 21st century, more and more professional are using nanotechnology to create semiconductors for a variety of applications, including communications, information technology, medical, and transportation devices. Written by today's best researchers of semiconductor nanostructures, this cutting-edge resource provides a snapshot of this exciting and fast-changing field. The book covers the latest advances in nanotechnology and discusses the applications of nanostructures to optoelectronics, photonics, and electronics.

Encyclopedia of Applied Physics, 23 Volume Set

Author : George L. Trigg
Publisher : Wiley-VCH
ISBN 13 : 9783527268412
Total Pages : pages
Book Rating : 4.2/5 (684 download)

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Book Synopsis Encyclopedia of Applied Physics, 23 Volume Set by : George L. Trigg

Download or read book Encyclopedia of Applied Physics, 23 Volume Set written by George L. Trigg and published by Wiley-VCH. This book was released on 1993-11-12 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The 23-volume Encyclopedia of Applied Physics - EAP - is a monumental first in scope, depth, and usability. It demonstrates the synergy between physics and technological applications. Information is presented according to the following subject areas: * General Aspects; Mathematical and Information Techniques * Measurement Sciences, General Devices and/or Methods * Nuclear and Elementary Particle Physics * Atomic and Molecular Physics * Electricity and Magnetism * Optics (classical and quantum) * Acoustics * Thermodynamics and Properties of Gases * Fluids and Plasma Physics * Condensed Matter: Structure and Mechanical Properties; Thermal, Acoustic, and Quantum Properties ; Electronic Properties ; Magnetic Properties ; Dielectrical and Optical Properties; Surfaces and Interfaces * Materials Science * Physical Chemistry * Energy Research and Environmental Physics * Biophysics and Medical Physics * Geophysics, Meteorology, Space Physics and Aeronautics EAP consists of 23 hardcover volumes arranged alphabetically. A cumulative subject index is published after every three volumes, with a full index accompanying the complete work.

Compound Semiconductor Photonics

Author : Chua Soo-Jin
Publisher : CRC Press
ISBN 13 : 9814310441
Total Pages : 242 pages
Book Rating : 4.8/5 (143 download)

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Book Synopsis Compound Semiconductor Photonics by : Chua Soo-Jin

Download or read book Compound Semiconductor Photonics written by Chua Soo-Jin and published by CRC Press. This book was released on 2020-03-26 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: This proceeding is a collection of selected papers presented at Symposium O of Compound Semiconductor Photonics in the International Conference on Materials for Advanced Technology (ICMAT), which was held in Singapore from 28 June to 3 July 2009. The symposium covers a wide range of topics from fundamental semiconductor materials study to photonic device fabrication and application. The papers collected are of recent progress in the active and wide range of semiconductor photonics research. They include materials-related papers on III-As/P, III-nitride, quantum dot/wire/dash growth, ZnO, and chalcogenide, and devices-related papers on photonic crystals, VCSEL, quantum dot/dash lasers, LEDs, waveguides, solar cells and heterogeneous integrat

Optical Properties of Semiconductor Nanostructures

Author : Marcin L. Sadowski
Publisher : Springer Science & Business Media
ISBN 13 : 9780792363163
Total Pages : 470 pages
Book Rating : 4.3/5 (631 download)

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Book Synopsis Optical Properties of Semiconductor Nanostructures by : Marcin L. Sadowski

Download or read book Optical Properties of Semiconductor Nanostructures written by Marcin L. Sadowski and published by Springer Science & Business Media. This book was released on 2000-06-30 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical methods for investigating semiconductors and the theoretical description of optical processes have always been an important part of semiconductor physics. Only the emphasis placed on different materials changes with time. Here, a large number of papers are devoted to quantum dots, presenting the theory, spectroscopic investigation and methods of producing such structures. Another major part of the book reflects the growing interest in diluted semiconductors and II-IV nanosystems in general. There are also discussions of the fascinating field of photonic crystals. `Classical' low dimensional systems, such as GsAs/GaAlAs quantum wells and heterostructures, still make up a significant part of the results presented, and they also serve as model systems for new phenomena. New materials are being sought, and new experimental techniques are coming on stream, in particular the combination of different spectroscopic modalities.