Self Assembled Quantum Dots

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Self Assembled Quantum Dots

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Author : Zhiming M Wang
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-11-29

Self Assembled Quantum Dots written by Zhiming M Wang and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-11-29 with Technology & Engineering categories.

This multidisciplinary book provides up-to-date coverage of carrier and spin dynamics and energy transfer and structural interaction among nanostructures. Coverage also includes current device applications such as quantum dot lasers and detectors, as well as future applications to quantum information processing. The book will serve as a reference for anyone working with or planning to work with quantum dots.

Capture And Relaxation In Self Assembled Semiconductor Quantum Dots

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Author : Robson Ferreira
language : en
Publisher: Morgan & Claypool Publishers
Release Date : 2016-02-23

Capture And Relaxation In Self Assembled Semiconductor Quantum Dots written by Robson Ferreira and has been published by Morgan & Claypool Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-02-23 with Technology & Engineering categories.

This is an overview of different models and mechanisms developed to describe the capture and relaxation of carriers in quantum-dot systems. Despite their undisputed importance, the mechanisms leading to population and energy exchanges between a quantum dot and its environment are not yet fully understood. The authors develop a first-order approach to such effects, using elementary quantum mechanics and an introduction to the physics of semiconductors. The book results from a series of lectures given by the authors at the Master’s level.

Self Assembled Ingaas Gaas Quantum Dots

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Author :
language : en
Publisher: Academic Press
Release Date : 1999-03-29

Self Assembled Ingaas Gaas Quantum Dots written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-03-29 with Technology & Engineering categories.

This volume is concerned with the crystal growth, optical properties, and optical device application of the self-formed quantum dot, which is one of the major current subjects in the semiconductor research field. The atom-like density of states in quantum dots is expected to drastically improve semiconductor laser performance, and to develop new optical devices. However, since the first theoretical prediction for its great possibilities was presented in 1982, due to the difficulty of their fabrication process. Recently, the advent of self-organized quantum dots has made it possible to apply the results in important optical devices, and further progress is expected in the near future. The authors, working for Fujitsu Laboratories, are leading this quantum-dot research field. In this volume, they describe the state of the art in the entire field, with particular emphasis on practical applications.

Self Assembled Quantum Dots

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Author : Zhiming M. Wang
language : en
Publisher: Springer
Release Date : 2008-11-01

Self Assembled Quantum Dots written by Zhiming M. Wang and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-11-01 with Technology & Engineering categories.

This multidisciplinary book provides up-to-date coverage of carrier and spin dynamics and energy transfer and structural interaction among nanostructures. Coverage also includes current device applications such as quantum dot lasers and detectors, as well as future applications to quantum information processing. The book will serve as a reference for anyone working with or planning to work with quantum dots.

Capture And Relaxation In Self Assembled Semiconductor Quantum Dots

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Author : R Ferreira
language : en
Publisher: Myprint
Release Date : 2015-12-18

Capture And Relaxation In Self Assembled Semiconductor Quantum Dots written by R Ferreira and has been published by Myprint this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-12-18 with categories.

Optical And Electrical Properties Of Single Self Assembled Quantum Dots In Lateral Electric Fields

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Author : Malte Huck
language : en
Publisher: diplom.de
Release Date : 2010-03-25

Optical And Electrical Properties Of Single Self Assembled Quantum Dots In Lateral Electric Fields written by Malte Huck and has been published by diplom.de this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-03-25 with Science categories.

Inhaltsangabe:Abstract: Chapter 1: In this thesis we investigate the optical properties of self-assembled quantum dots exposed to a lateral electric field. As a result of the electric field the wave functions of electrons and holes inside the quantum dot are manipulated, which makes it possible to tune their energy levels and control the optical properties of the system. The possibility of tuning the emission energy of different few particle states using this method makes this system very promising for the use of a source of polarization entangled photons as discussed in the following sections. In Section 1.1 the concept of entangled states is introduced together with a brief historical overview. The possibility of using the exciton biexciton cascade of a self-assembled quantum dot for the generation of entangled photon pairs is presented in Section 1.2. Chapter 2: In this chapter we introduce the concept of quantum dots and demonstrate their optical emission properties. In Section 2.1 the quantum dot is introduced as a three-dimensional charge carrier trap. Several types of quantum dots are presented in an overview. In Section 2.2 we discuss the physical effects that occur on the way from bulk semiconductor material to the three-dimensional charge carrier confinement in the case of quantum dots. The growth of self-assembled quantum dot samples is the topic of Section 2.3, where the technique of molecular beam epitaxy is introduced (Section 2.3.1). This technique is used to grow the semiconductor quantum dots via heteroepitaxy in the Stranski-Krastanov growth mode (Section 2.3.2). Quantum dots are commonly referred to as artificial atoms due to their atomlike emission features. The origin for this expression is explained in Section 2.4 on the basis of the energetic structure of self-assembled quantum dots. The optical properties of quantum dots are discussed in Section 2.5, beginning with an introduction to the experimental setup that has been used to investigate the quantum dots during this thesis (Section 2.5.1). Different optical excitation modes are presented in Section 2.5.2 and in Section 2.5.3 we discuss, how to achieve a low enough quantum dot density on the analyzed samples. Section 2.5.4 deals with the photoluminescence of different exciton states and in Section 2.5.5 we present how these lines can be identified via power dependent measurements. Finally, the concept of initial charges in self-assembled quantum dots is presented in [...]

Single Quantum Dots

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Author : Peter Michler
language : en
Publisher: Springer Science & Business Media
Release Date : 2003-12-09

Single Quantum Dots written by Peter Michler and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-12-09 with Science categories.

Special focus is given to the optical and electronic properties of single quantum dots due to their potential applications in devices operating with single electrons and/or single photons. This includes quantum dots in electric and magnetic fields, cavity-quantum electrodynamics, nonclassical light generation, and coherent optical control of excitons.

Semiconductor Quantum Dots

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Author : Yasuaki Masumoto
language : en
Publisher: Springer Science & Business Media
Release Date : 2002-05-28

Semiconductor Quantum Dots written by Yasuaki Masumoto and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-05-28 with Science categories.

Growth of Self Organized Quantum Dots / J.-S. Lee / - Excitonic Structures and Optical Properties of Quantum Dots / Toshihide Takagahara / - Electron-Phonon Interactions in Semiconductor Quantum Dots / Toshihide Takagahara / - Micro-Imaging and Single Dot Spectroscopy of Self Assembled Quantum Dots / Mitsuru Sugisaki / - Persistent Spectral Hole Burning in Semiconductor Quantum Dots / Yasuaki Masumoto / - Dynamics of Carrier Relaxation in Self Assembled Quantum Dots / Ivan V. Ignatiev, Igor E. Kozin / - Resonant Two-Photon Spectroscopy of Quantum Dots / Alexander Baranov / - Homogeneous Width of Confined Excitons in Quantum Dots - Experimental / Yasuaki Masumoto / - Theory of Exciton Dephasing in Semiconductor Quantum Dots / Toshihide Takagahara / - Excitonic Optical Nonlinearity and Weakly Correlated Exciton-Pair States / Selvakumar V. Nair, Toshihide Takagahara / - Coulomb Effects in the Optical Spectra of Highly Excited Semiconductor Quantum Dots / Selvakumar V. Nair / - Device ...

Electronic Phenomena In Self Organized Quantum Dots

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Author : Boaz Kochman
language : en
Publisher:
Release Date : 2002

Electronic Phenomena In Self Organized Quantum Dots written by Boaz Kochman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.

Self Assembled Ingaas Gaas Quantum Dots

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Author :
language : en
Publisher: Academic Press
Release Date : 1999-04-05

Self Assembled Ingaas Gaas Quantum Dots written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-04-05 with Technology & Engineering categories.

This volume is concerned with the crystal growth, optical properties, and optical device application of the self-formed quantum dot, which is one of the major current subjects in the semiconductor research field. The atom-like density of states in quantum dots is expected to drastically improve semiconductor laser performance, and to develop new optical devices. However, since the first theoretical prediction for its great possibilities was presented in 1982, due to the difficulty of their fabrication process. Recently, the advent of self-organized quantum dots has made it possible to apply the results in important optical devices, and further progress is expected in the near future. The authors, working for Fujitsu Laboratories, are leading this quantum-dot research field. In this volume, they describe the state of the art in the entire field, with particular emphasis on practical applications.