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Author : Peter Blixt
Publisher :
ISBN 13 :
Total Pages : 71 pages
Book Rating : 4.:/5 (186 download)
Download or read book Investigations on the Picosecond Dynamics of Semiconductor Lasers written by Peter Blixt and published by . This book was released on 1990 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Geoffrey A. Wilson
Publisher :
ISBN 13 :
Total Pages : 598 pages
Book Rating : 4.:/5 (258 download)
Download or read book Picosecond Dynamics of Twin-emitter Coherent Semiconductor Laser Arrays written by Geoffrey A. Wilson and published by . This book was released on 1992 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Junji Ohtsubo
Publisher : Springer
ISBN 13 : 3319561383
Total Pages : 679 pages
Book Rating : 4.3/5 (195 download)
Download or read book Semiconductor Lasers written by Junji Ohtsubo and published by Springer. This book was released on 2017-05-03 with total page 679 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Michael Avery Newkirk
Publisher :
ISBN 13 :
Total Pages : 352 pages
Book Rating : 4.:/5 (437 download)
Download or read book Investigations of Semiconductor Laser Modulation Dynamics and Field Fluctuations written by Michael Avery Newkirk and published by . This book was released on 1991 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book An investigation on semiconductor lasers in a picosecond regime written by and published by . This book was released on 1911 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Este trabalho apresenta alguns estudos experimentais sobre a geração de pulsos óticos curtos com lasers semicondutores e a deteção desses pulsos. Descreve-se inicialmente a geração de pulsos elétricos curtos com geradores a transistor avalanche e chaves fotocondutivas. Foi desenvolvido um modelo de circuito equivalente para lasers multi-modos, que permite simular com precisão a resposta ótica do dispositivo para diferentes condições de alimentação. Foram também desenvolvidos transformadores de impedância de larga banda passante. Linhas de transmissão de diversos tipos e substratos de diferentes constantes dielétricas foram empregados. Comprovou-se experimentalmente a melhoria da resposta ótica do laser a pulsos curtos de corrente com o uso desses transformadores, comparada com os arranjos convencionais. Mostrou-se também experimentalmente que os transformadores aqui desenvolvidos proporcionam um aumento significativo na largura de banda de sistemas de fotodetetores rápidos. São apresentados resultados experimentais de geração de pulsos óticos curtos com lasers semicondutores, usando-se as técnicas de mode-locking e chaveamento de ganho. Finalmente são sugeridas algumas técnicas alternativas para a medição indireta dos pulsos gerados pelo processo de mode-locking, e são mostrados alguns resultados preliminares.
Author : Edeltraud Gehrig
Publisher : Springer Science & Business Media
ISBN 13 : 9783540007418
Total Pages : 252 pages
Book Rating : 4.0/5 (74 download)
Download or read book Spatio-Temporal Dynamics and Quantum Fluctuations in Semiconductor Lasers written by Edeltraud Gehrig and published by Springer Science & Business Media. This book was released on 2003-09-22 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents fundamental theories and simulations of the spatio-temporal dynamics and quantum fluctuations in semiconductor lasers. The dynamic interplay of light and matter is theoretically described by taking into account microscopic carrier dynamics, spatially dependent light-field propagation and the influence of spontaneous emission and noise.
Author : Charles Everett Mooney
Publisher :
ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.:/5 (256 download)
Download or read book Investigation of Electronic Excitation Dynamics in Molecular Crystals Via Picosecond Laser Spectroscopy written by Charles Everett Mooney and published by . This book was released on 1989 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 456 pages
Book Rating : 4.:/5 (3 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author : K.B. Eisenthal
Publisher : Springer Science & Business Media
ISBN 13 : 3642878644
Total Pages : 413 pages
Book Rating : 4.6/5 (428 download)
Download or read book Picosecond Phenomena III written by K.B. Eisenthal and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 413 pages. Available in PDF, EPUB and Kindle. Book excerpt: The third international conference devoted to picosecond phenomena was held June 16-18, 1982 in Garmisch-Partenkirchen, West Germany. Scientists from widely varying disciplines, physicists, chemists, biologists, and engineers came together to share their common interest in picosecond and subpicosecond processes. The meeting attracted approximately 250 scientists from numerous countries around the globe. More than .100 papers were concerned with the latest advances in the ex perimental and theoretical understanding of ultrafast phenomena. New dis coveries in femtosecond and picosecond pulse generation and new results in chemical dynamics, solid-state physics, and nonlinear optics were presented. The quality of the scientific reports, the enthusiasm of the participating scientists, as well as the magnificent surroundings of the Bavarian alps guaranteed a successful and pleasant conference. Numerous people have helped to make the conference a success. Special thanks are due to Carin von Oberkamp for dOing a superb job in implementing the meeting arrangements and to the program committee for the selection and organisation of the scientific presentations. The financial support of the Deutsche Forschungsgemeinschaft and of the Bayerische Staatsministerium fUr Unterricht und Kultur is gratefully ack nowledged.
Author : Robert R. Alfano
Publisher : SPIE-International Society for Optical Engineering
ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.3/5 (91 download)
Download or read book Ultrafast Lasers Probe Phenomena in Bulk and Microstructure Semiconductors written by Robert R. Alfano and published by SPIE-International Society for Optical Engineering. This book was released on 1987 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sina Riecke
Publisher : Cuvillier Verlag
ISBN 13 : 3736936524
Total Pages : 136 pages
Book Rating : 4.7/5 (369 download)
Download or read book Flexible Generation of Picosecond Laser Pulses in the Infrared and Green Spectral Range by Gain-Switching of Semiconductor Lasers written by Sina Riecke and published by Cuvillier Verlag. This book was released on 2011-03-15 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Picosecond laser pulses find diverse applications for example in material processing as well as in analysis and sensing. Fluorescence lifetime spectroscopy in particular requires pulses with variable repetition rate and moderate pulse energy. While suitable pulses in the red and blue spectral range can be provided by gain-switched laser diodes, the generation of green laser pulses requires a more elaborate setup based on second harmonic generation. The starting point is a gain-switched infrared distributed-feedback laser diode. The optimization of the laser design and the operating conditions allows to generate spectrally narrow picosecond pulses with a peak power above 1 W. Different gain media are compared for further amplification of these pulses, and options for the miniaturization of the master-oscillator power-amplifier system are explored. The resulting intense infrared pulses are then used for second harmonic generation of green picoseconds pulses. Their peak power of above 5 W exceeds all previous green pulse sources with variable repetition rate. In terms of pulse energy and background suppression, the reported green pulses are thus ideally suited for fluorescence lifetime spectroscopy
Author : Lawrence Berkeley Laboratory. Materials and Molecular Research Division
Publisher :
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.3/5 (91 download)
Download or read book Materials and Molecular Research Division Annual Report written by Lawrence Berkeley Laboratory. Materials and Molecular Research Division and published by . This book was released on 1986 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert R. Alfano
Publisher :
ISBN 13 :
Total Pages : 19 pages
Book Rating : 4.:/5 (227 download)
Download or read book Semiconductors Investigated by Picosecond Absorption, Fluorescence and Raman Time-Resolved Spectroscopy written by Robert R. Alfano and published by . This book was released on 1984 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main areas of research are: development of picosecond and subpicosecond laser sources and the application of time-resolved spectroscopy to the study of semiconductors. In the subpicosecond laser development we have developed a stable and reliable laser system oscillator and amplifier. We have achieved over 95% conversion efficiency in ultrafast white light laser source. In addition, we have also achieved laser action in emerald. In the semiconductor research program, we have identified the deep native defects in undoped semi-insulating Cadmium Selenide and have studied the transient dynamics via deep defects and the enhancement of four-wave processes by deep trapping levels. We have studied the spontaneous and stimulated emission spectra and dynamic processes of Gallium Indium Phosphide and GaInP alloys, and characterized the exciton, bound magnetic polarons, and impurity fluorescence bands in alloys of Cadmium manganese Selenide. In addition, we have initiated a research program on the dynamic processes of quantum wells and superlattices.
Author : Robert R. Alfano
Publisher : Elsevier
ISBN 13 : 0323148867
Total Pages : 481 pages
Book Rating : 4.3/5 (231 download)
Download or read book Semiconductors Probed by Ultrafast Laser Spectroscopy Pt I written by Robert R. Alfano and published by Elsevier. This book was released on 2012-12-02 with total page 481 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiconductors Probed by Ultrafast Laser Spectroscopy, Volume 1 discusses the use of ultrafast laser spectroscopy in studying fast physics in semiconductors. It reviews progress on the experimental and theoretical understanding of ultrafast events that occur on a picosecond and nanosecond time scale. This volume first explores the relaxation of energy and the momentum of hot carriers and then turns to relaxation of plasmas and phonons. It also discusses the dynamics of excitons, polaritons, and excitonic molecules and reviews transient transport and diffusion of carriers. Scientists, engineers, and graduate students will find this book invaluable.
Author :
Publisher :
ISBN 13 :
Total Pages : 644 pages
Book Rating : 4.:/5 (39 download)
Download or read book Research in Progress written by and published by . This book was released on 1983 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 854 pages
Book Rating : 4.F/5 ( download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2002 with total page 854 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L.D. Laude
Publisher : Springer Science & Business Media
ISBN 13 : 9400968906
Total Pages : 631 pages
Book Rating : 4.4/5 (9 download)
Download or read book Cohesive Properties of Semiconductors under Laser Irradiation written by L.D. Laude and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 631 pages. Available in PDF, EPUB and Kindle. Book excerpt: The impact of Materials Science in our environment has probably never been as massive and decisive as it is today. In every aspect of our lives, progress has never been so dependent on the techniques involved in producing ever more sophisticated materials in ever larger quantities, nor so demanding for technologists to imagine novel processes and circumvent difficulties, or take up new challenges. Every technique is based on a physical process which is put into practice and optimized. The better we know that process, the better the optimization, and more powerful the technique. Laser processing of materials is inscribed in that context. As soon as powerful coherent light sources were made available, it was realized that such intense sources of energy could be used to "heat, melt and crystallize" materials, i.e., to promote phase transitions in atomic systems. As early as 1964, attempts in that direction were made but received very little (if any) attention. Reasons for this lack of interest were several. For one thing, laser technology was not fully developed, so that the process offered poor reliability and no versatility. Also, improving the existing techniques was believed to be sufficient to meet the needs of the time, and there was no real motivation to explore new ways. Finally, and more important, the fundamentals of the physics behind the scenes were, and continue to be, way out of the runni~g stream.
