Dynamic Scenarios in Two-State Quantum Dot Lasers Excited State Lasi
André Röhm investigates the dynamic properties of two-state lasing quantum dot lasers, with a focus on ground state quenching. With a novel semi-analytical approach, different quenching mechanisms are discussed in an unified framework and verified with nu
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Springer awards „BestMasters“ to the best master’s theses which have been completed at renowned universities in Germany, Austria, and Switzerland. The studies received highest marks and were recommended for publication by supervisors. They address current issues from various fields of research in natural sciences, psychology, technology, and economics. The series addresses practitioners as well as scientists and, in particular, offers guidance for early stage researchers.
André Röhm
Dynamic Scenarios in Two-State Quantum Dot Lasers Excited State Lasing, Ground State Quenching, and Dual-Mode Operation Foreword by Prof. Dr. Kathy Lüdge und Prof. Dr. Eckehard Schöll, PhD
André Röhm Berlin, Germany
BestMasters ISBN 978-3-658-09401-0 ISBN 978-3-658-09402-7 (eBook) DOI 10.1007/978-3-658-09402-7 Library of Congress Control Number: 2015934951 Springer Spektrum © Springer Fachmedien Wiesbaden 2015 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, speci¿cally the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on micro¿lms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a speci¿c statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, express or implied, with respect to the material contained herein or for any errors or omissions that may have been made. Printed on acid-free paper Springer Spektrum is a brand of Springer Fachmedien Wiesbaden Springer Fachmedien Wiesbaden is part of Springer Science+Business Media (www.springer.com)
Foreword
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Foreword Semiconductor lasers are very small and cost efficient optical light sources that already entered into numerous parts of our daily lives. For the past 30 to 40 years, they have been used as experimental platforms for investigating new and interesting phenomena in physics and mathematics, and on the other hand as easy-to-handle test-beds for nonlinear dynamical phenomena occurring in a much wider context. This thesis deals with the light emission characteristics of quantum-dot lasers, i.e., semiconductor lasers that contain pyramid-shaped nanostructures (quantum dots) coupled to a surrounding 2-dimensional layer of semiconductor material. Due to their multiple confined states these lasers can show multimode emission which is interesting for two reasons. At first it allows to study fundamental aspects of complex nonlinear dynamical system and s
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