Dynamics And Synchronization Phenomena Of Semiconductor Lasers With Delayed Optical Feedback
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| Author | : Michael Peil |
| Publisher | : |
| Total Pages | : 250 |
| Release | : 2006 |
| Genre | : Science |
| ISBN | : 9783832511951 |
In this thesis, strategies to efficiently control nonlinear dynamical properties of semiconductor lasers with delayed optical feedback are successfully applied and accomplished. Based on this possibility, it is demonstrated how nonlinear dynamics can be harnessed for the realization of coherence controlled sources and encrypted communications based on chaotic carriers. Semiconductor lasers (SLs) with delayed optical feedback can exhibit intriguing dynamical phenomena. Therefore, these delay systems have become established experimental systems for studying fundamental nonlinear dynamics phenomena, comprising high-dimensional broadband chaotic emission dynamics. Nevertheless, with regard to the functionality of technical applications of SLs, feedback induced instabilities often represent a severe problem, so that much effort has been undertaken to suppress such instabilities. The opposite approach, asking whether the complex dynamical behavior of these systems can also be harnessed for applications remained barely treated so far. To give an answer to this question represented the gist of this thesis. With this aim, the emission properties of SLs with optical feedback have been intensively studied with the focus on regimes of chaotic emission. It is exemplified how the obtained knowledge about the nonlinear dynamical behavior of these systems can be utilized for tailoring the emission properties of SLs. This result represents a cornerstone of the presented work, since in fact it facilitates realization of new applications which are based on chaotic light. To substantiate this finding, a tailored SL light source is presented for which the coherence length can be tuned in a range between 8 m and 130 m. Such a light source can be implemented in modern ranging measurement technology, e.g., in chaotic LIDAR systems. As a second example, it has been studied whether it is possible to synchronize SL-systems that exhibit broadband, high-dimensional chaotic dynamics. The presented results give evidence that excellent synchronization can be achieved. Even more, it is verified that the revealed synchronization properties can be successfully utilized for realization of functional cryptographic communication systems. Hence, both examples highlight the potential of applied nonlinear dynamics for realization of novel practical applications for SLs.
| Author | : Kathy Lüdge |
| Publisher | : John Wiley & Sons |
| Total Pages | : 412 |
| Release | : 2012-04-09 |
| Genre | : Science |
| ISBN | : 3527639837 |
A distinctive discussion of the nonlinear dynamical phenomena of semiconductor lasers. The book combines recent results of quantum dot laser modeling with mathematical details and an analytic understanding of nonlinear phenomena in semiconductor lasers and points out possible applications of lasers in cryptography and chaos control. This interdisciplinary approach makes it a unique and powerful source of knowledge for anyone intending to contribute to this field of research. By presenting both experimental and theoretical results, the distinguished authors consider solitary lasers with nano-structured material, as well as integrated devices with complex feedback sections. In so doing, they address such topics as the bifurcation theory of systems with time delay, analysis of chaotic dynamics, and the modeling of quantum transport. They also address chaos-based cryptography as an example of the technical application of highly nonlinear laser systems.
| Author | : Atsushi Uchida |
| Publisher | : John Wiley & Sons |
| Total Pages | : 669 |
| Release | : 2012-02-13 |
| Genre | : Technology & Engineering |
| ISBN | : 352740869X |
Starting with an introduction to the fundamental physics in chaotic instabilities in laser systems, this comprehensive and unified reference goes on to present the techniques and technology of synchronization of chaos in coupled lasers, as well as the many applications to lasers and optics, communications, security and information technology. Throughout, it presents the current state of knowledge, including encoding/decoding techniques, performance of chaotic communication systems, random number generation, and novel communication technologies.
| Author | : Junji Ohtsubo |
| Publisher | : Springer |
| Total Pages | : 679 |
| Release | : 2017-05-03 |
| Genre | : Science |
| ISBN | : 3319561383 |
This book describes the fascinating recent advances made concerning the chaos, stability and instability of semiconductor lasers, and discusses their applications and future prospects in detail. It emphasizes the dynamics in semiconductor lasers by optical and electronic feedback, optical injection, and injection current modulation. Applications of semiconductor laser chaos, control and noise, and semiconductor lasers are also demonstrated. Semiconductor lasers with new structures, such as vertical-cavity surface-emitting lasers and broad-area semiconductor lasers, are intriguing and promising devices. Current topics include fast physical number generation using chaotic semiconductor lasers for secure communication, development of chaos, quantum-dot semiconductor lasers and quantum-cascade semiconductor lasers, and vertical-cavity surface-emitting lasers. This fourth edition has been significantly expanded to reflect the latest developments. The fundamental theory of laser chaos and the chaotic dynamics in semiconductor lasers are discussed, but also for example the method of self-mixing interferometry in quantum-cascade lasers, which is indispensable in practical applications. Further, this edition covers chaos synchronization between two lasers and the application to secure optical communications. Another new topic is the consistency and synchronization property of many coupled semiconductor lasers in connection with the analogy of the dynamics between synaptic neurons and chaotic semiconductor lasers, which are compatible nonlinear dynamic elements. In particular, zero-lag synchronization between distant neurons plays a crucial role for information processing in the brain. Lastly, the book presents an application of the consistency and synchronization property in chaotic semiconductor lasers, namely a type of neuro-inspired information processing referred to as reservoir computing.
| Author | : Johan Dubbeldam |
| Publisher | : John Wiley & Sons |
| Total Pages | : 261 |
| Release | : 2011-02-21 |
| Genre | : Science |
| ISBN | : 3527409319 |
Written by recognized experts, this edited book covers recent theoretical, experimental and applied issues in the growing fi eld of Complex Systems and Nonlinear Dynamics. It is divided into two parts, with the first section application based, incorporating the theory of bifurcation analysis, numerical computations of instabilities in dynamical systems and discussing experimental developments. The second part covers the broad category of statistical mechanics and dynamical systems. Several novel exciting theoretical and mathematical insights and their consequences are conveyed to the reader.
| Author | : Thomas Erneux |
| Publisher | : Cambridge University Press |
| Total Pages | : 379 |
| Release | : 2010-04-29 |
| Genre | : Science |
| ISBN | : 1139486977 |
Bridging the gap between laser physics and applied mathematics, this book offers a new perspective on laser dynamics. Combining fresh treatments of classic problems with up-to-date research, asymptotic techniques appropriate for nonlinear dynamical systems are shown to offer a powerful alternative to numerical simulations. The combined analytical and experimental description of dynamical instabilities provides a clear derivation of physical formulae and an evaluation of their significance. Starting with the observation of different time scales of an operating laser, the book develops approximation techniques to systematically explore their effects. Laser dynamical regimes are introduced at different levels of complexity, from standard turn-on experiments to stiff, chaotic, spontaneous or driven pulsations. Particular attention is given to quantitative comparisons between experiments and theory. The book broadens the range of analytical tools available to laser physicists and provides applied mathematicians with problems of practical interest, making it invaluable for graduate students and researchers.
| Author | : Emil Wolf |
| Publisher | : Elsevier |
| Total Pages | : 417 |
| Release | : 2002-12-11 |
| Genre | : Medical |
| ISBN | : 0444511482 |
Progress in Optics Volume 44.
| Author | : Kais A. M. Al Naimee |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 262 |
| Release | : 2018-03-28 |
| Genre | : Computers |
| ISBN | : 9535139452 |
With a good background in nonlinear dynamics, chaos theory, and applications, the author of this leading book gives a systematic treatment of the basic principle of nonlinear dynamics in different fields. The contributions from leading international scientists active in the field provide a comprehensive overview of our current level of background on chaos theory and applications in different sciences. In addition, they show overlap with the traditional field of control theory in scientific community.
| Author | : Victor Sontea |
| Publisher | : Springer |
| Total Pages | : 573 |
| Release | : 2015-09-23 |
| Genre | : Technology & Engineering |
| ISBN | : 9812877363 |
This volume presents the proceedings of the 3rd International Conference on Nanotechnologies and Biomedical Engineering which was held on September 23-26, 2015 in Chisinau, Republic of Moldova. ICNBME-2015 continues the series of International Conferences in the field of nanotechnologies and biomedical engineering. It aims at bringing together scientists and engineers dealing with fundamental and applied research for reporting on the latest theoretical developments and applications involved in the fields. Topics include Nanotechnologies and nanomaterials Plasmonics and metamaterials Bio-micro/nano technologies Biomaterials Biosensors and sensors systems Biomedical instrumentation Biomedical signal processing Biomedical imaging and image processing Molecular, cellular and tissue engineering Clinical engineering, health technology management and assessment; Health informatics, e-health and telemedicine Biomedical engineering education Nuclear and radiation safety and security Innovations and technology transfer
| Author | : Benjamin Lingnau |
| Publisher | : Springer |
| Total Pages | : 203 |
| Release | : 2015-12-14 |
| Genre | : Science |
| ISBN | : 3319258052 |
This thesis sheds light on the unique dynamics of optoelectronic devices based on semiconductor quantum-dots. The complex scattering processes involved in filling the optically active quantum-dot states and the presence of charge-carrier nonequilibrium conditions are identified as sources for the distinct dynamical behavior of quantum-dot based devices. Comprehensive theoretical models, which allow for an accurate description of such devices, are presented and applied to recent experimental observations. The low sensitivity of quantum-dot lasers to optical perturbations is directly attributed to their unique charge-carrier dynamics and amplitude-phase-coupling, which is found not to be accurately described by conventional approaches. The potential of quantum-dot semiconductor optical amplifiers for novel applications such as simultaneous multi-state amplification, ultra-wide wavelength conversion, and coherent pulse shaping is investigated. The scattering mechanisms and the unique electronic structure of semiconductor quantum-dots are found to make such devices prime candidates for the implementation of next-generation optoelectronic applications, which could significantly simplify optical telecommunication networks and open up novel high-speed data transmission schemes.
