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Author : James G. Lopez
Publisher :
ISBN 13 :
Total Pages : 250 pages
Book Rating : 4.:/5 (89 download)
Download or read book 2nd-order, Surface-emitting Distributed Feedback Diode Lasers written by James G. Lopez and published by . This book was released on 1999 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yangfei Shen
Publisher :
ISBN 13 :
Total Pages : 51 pages
Book Rating : 4.:/5 (954 download)
Download or read book Coupled Wave Analysis of Two-dimensional Second Order Surface-emitting Distributed Feedback Lasers written by Yangfei Shen and published by . This book was released on 2016 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt: A distributed feedback laser (DFB) is a type of semiconductor laser where the cavity is periodically structured as a diffraction grating. This allows the same grating region to act as a resonator, out-coupler and the gain region simultaneously. While conventional DFB lasers emit light along its edges, by modifying the grating structure, it is possible to make the output appear from the top surface. This is known as the surface-emitting DFB laser. This thesis will discuss the case in which a two-dimensional grating (which consists of a 2D grid of holes or pillars) etched into the top cladding surface of the waveguide. The thesis consists of four main parts. For the first part, we give the background principles and the coupled wave equations with radiation modes. In the second part, we derive the equations for a waveguide that utilizes a grating strip for guidance. The effective index of this guide is then used in the 2D DFB crossed grating structure. The third part begins with calculations of a particular GaAs:GaAlAs waveguide geometry with a grating. We present the fundamental resonant modes by utilizing the numerical shooting method. Then, the matrix solution method is applied in the calculation of the higher order guided and radiation modes. In the last part, we solve the transcendental equations for the eigenvalues to get the threshold gain and near field radiation pattern from the DFB surface.
Author : Geert Morthier
Publisher : Artech House
ISBN 13 : 1608077012
Total Pages : 397 pages
Book Rating : 4.6/5 (8 download)
Download or read book Handbook of Distributed Feedback Laser Diodes, Second Edition written by Geert Morthier and published by Artech House. This book was released on 2013-09-01 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the first edition of this book was published in 1997, the photonics landscape has evolved considerably and so has the role of distributed feedback (DFB) laser diodes. Although tunable laser diodes continue to be introduced in advanced optical communication systems, DFB laser diodes are still widely applied in many deployed systems. This also includes wavelength tunable DFB laser diodes and DFB laser diode arrays, usually integrated with intensity or phase modulators and semiconductor optical amplifiers. This valuable resource gives professionals a comprehensive description of the different effects that determine the behavior of a DFB laser diode. Special attention is given to two new chapters on wavelength tunable DFB laser diodes and bistable and unstable DFB laser diodes. Among many other updates throughout the reference, semi-conductor and electromagnetic professionals are also provided two new appendices. This book fully covers the underlying theory, commercial applications, necessary design criteria, and future direction of this technology.
Author : Gunawan Witjaksono
Publisher :
ISBN 13 :
Total Pages : 142 pages
Book Rating : 4.:/5 (89 download)
Download or read book Single-mode Operation in a Single-lobed Beam Pattern from Surface-emitting 2nd-order Distributed Feedback Laser with Central Pi-phseshift Grating written by Gunawan Witjaksono and published by . This book was released on 2002 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gary A. Evans
Publisher :
ISBN 13 :
Total Pages : 528 pages
Book Rating : 4.3/5 (91 download)
Download or read book Surface Emitting Semiconductor Lasers and Arrays written by Gary A. Evans and published by . This book was released on 1993 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reviews all the basic types of surface emitting semiconductor lasers, including vertical cavity, etched-mirror integrated beam deflectors and grating out-coupled devices. The book also addresses such topics as edge-emitting arrays, thermal management and coherence.
Author : Shuang Li
Publisher :
ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.:/5 (891 download)
Download or read book High-coherent-power, Two-dimensional Grating Surface-emitting (GSE) Semiconductor Lasers written by Shuang Li and published by . This book was released on 2006 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nils W. Carlson
Publisher : Springer Science & Business Media
ISBN 13 : 3642789420
Total Pages : 405 pages
Book Rating : 4.6/5 (427 download)
Download or read book Monolithic Diode-Laser Arrays written by Nils W. Carlson and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although semiconductor-diode lasers are the most compact, highest gain and most efficient laser sources, difficulties remain in developing structures that will produce high-quality, diffraction-limited output beams. Indeed, only a few designs have emerged with the potential for producing high-power, high-brightness monolithic sources. This book presents and analyzes the results of work performed over the past two decades in the development of such diode-laser arrays.
Author : John E. Carroll
Publisher : IET
ISBN 13 : 9780852969175
Total Pages : 446 pages
Book Rating : 4.9/5 (691 download)
Download or read book Distributed Feedback Semiconductor Lasers written by John E. Carroll and published by IET. This book was released on 1998 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concentrating on presenting a thorough analysis of DFB lasers from a level suitable for research students, this book emphasises and gives extensive coverage of computer aided modeling techniques.
Author :
Publisher :
ISBN 13 :
Total Pages : 356 pages
Book Rating : 4.3/5 (91 download)
Download or read book In-plane Semiconductor Lasers written by and published by . This book was released on 1998 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : H. Ghafouri-Shiraz
Publisher : John Wiley & Sons
ISBN 13 : 9780470856185
Total Pages : 346 pages
Book Rating : 4.8/5 (561 download)
Download or read book Distributed Feedback Laser Diodes and Optical Tunable Filters written by H. Ghafouri-Shiraz and published by John Wiley & Sons. This book was released on 2003-11-07 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in optical fibre based communications systems have played a crucial role in the development of the information highway. By offering a single mode oscillation and narrow spectral output, distributed feedback (DFB) semiconductor laser diodes offer excellent optical light sources as well as optical filters for fibre based communications and dense wavelength division multiplexing (DWDM) systems. This comprehensive text focuses on the basic working principles of DFB laser diodes and optical filters and details the development of a new technique for enhanced system performance. Considers the optical waveguiding characteristics and properties of semiconductor materials and the physics of DFB semiconductor lasers. Presents a powerful modelling technique based on the transfer matrix method which can be used to improve the design of laser diodes, optical fibres and amplifiers. Examines the effect of the various corrugation shapes on the coupling coefficients and lasing characteristics of DFB laser diodes. Technical advice to improve immunity against the spatial hole burning effect. Extensive referencing throughout and a comprehensive glossary of symbols and abbreviations. Suitable for both introductory and advanced levels This is an indispensable textbook for undergraduate and postgraduate students of electrical and electronic engineering and physics as it consolidates their knowledge in this rapidly growing field. As a technical guide for the structural design of DFB laser diodes and optical filters, the book will serve as an invaluable reference for researchers in opto-electronics, and semi conductor device physics.
Author : United States. Patent and Trademark Office
Publisher :
ISBN 13 :
Total Pages : 1496 pages
Book Rating : 4.:/5 (89 download)
Download or read book Official Gazette of the United States Patent and Trademark Office written by United States. Patent and Trademark Office and published by . This book was released on 2001 with total page 1496 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William S. C. Chang
Publisher : Cambridge University Press
ISBN 13 : 1139439685
Total Pages : 423 pages
Book Rating : 4.1/5 (394 download)
Download or read book RF Photonic Technology in Optical Fiber Links written by William S. C. Chang and published by Cambridge University Press. This book was released on 2007-05-14 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt: In many applications, radio frequency (RF) signals need to be transmitted and processed without being digitalized. Optical fiber provides a transmission medium in which RF modulated optical carriers can be transmitted and distributed with very low loss, making it more efficient and less costly than conventional electronic systems. This volume presents a review of RF photonic components, transmission systems, and signal processing examples in optical fibers from leading academic, government, and industry scientists working in this field. It also introduces the reader to various related technologies such as direct modulation of laser sources, external modulation techniques, and detectors. The text is aimed at engineers and scientists engaged in the research and development of optical fibers and analog RF applications. With an emphasis on design, performance and practical application, this book will be of particular interest to those developing systems based on this technology.
Author : Chai Yeh
Publisher : Elsevier
ISBN 13 : 0080499260
Total Pages : 353 pages
Book Rating : 4.0/5 (84 download)
Download or read book Applied Photonics written by Chai Yeh and published by Elsevier. This book was released on 2012-12-02 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photonic circuitry is the first-choice technological advancement recognized by the telecommunications industry. Due to the speed, strength, and clarity of signal, photonic circuits are rapidly replacing electronic circuits in a range of applications. Applied Photonics is a state-of-the-art reference book that describes the fundamental physical concept of photonics and examines the most current information available in the photonics field. Cutting-edge developments in semiconductors, optical switches, and solitons are presented in a readable and easily understandable style, making this volume accessible, if not essential, reading for practicing engineers and scientists. Introduces the concept of nonlinear interaction of photons with matters, photons, and phonons Covers recent developments of semiconductor lasers and detectors in the communications field Discusses the development of nonlinear devices, including optical amplifiers, solitons, and phase conjugators, as well as the development of photonic components, switches, interconnects, and image processing devices
Author : Marco Anni
Publisher : CRC Press
ISBN 13 : 1351591754
Total Pages : 324 pages
Book Rating : 4.3/5 (515 download)
Download or read book Organic Lasers written by Marco Anni and published by CRC Press. This book was released on 2018-05-24 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the past 30 years, organic conjugated molecules have received a lot of attention in research because of their unique combination of active properties typical of semiconductors and the technological appeal typical of plastic materials. Among the different applications proposed for organic materials, organic lasers are quickly approaching the performance required in real devices, while research on novel active materials is still ongoing. The book covers the basic aspects of the measurement techniques of optical gain and amplified spontaneous emission (ASE) in organic films as well as the photophysics of organic materials that can be understood using ASE measurements. It reviews the recent advances in the development of new active materials for organic lasers as well as the actual state of the art of scattering-assisted random lasers and of strongly coupled organic microcavities, both promising interesting developments in the near future. Finally, it gives a detailed review of the state of the art of the organic lasers actually closest to real applications, namely external cavity lasers and distributed feedback lasers. The book is unique that it covers basic aspects, technological aspects, and systems, which are still a subject of basic science research.
Author :
Publisher :
ISBN 13 :
Total Pages : 724 pages
Book Rating : 4.E/5 ( download)
Download or read book Japanese Science and Technology written by and published by . This book was released on 1986 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C. Breck Hitz
Publisher : John Wiley & Sons
ISBN 13 : 0471660922
Total Pages : 301 pages
Book Rating : 4.4/5 (716 download)
Download or read book Introduction to Laser Technology written by C. Breck Hitz and published by John Wiley & Sons. This book was released on 2004-04-05 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electrical Engineering Introduction to Laser Technology, Third Edition Would you like to know how a laser works, and how it can be modified for your own specific tasks? This intuitive third edition-previously published as Understanding Laser Technology, First and Second Editions-introduces engineers, scientists, technicians, and novices alike to the world of modern lasers, without delving into the mathematical details of quantum electronics. It is the only introductory text on the market today that explains the underlying physics and engineering applicable to all lasers. A unique combination of clarity and technical depth, this book begins with an introductory chapter that explains the characteristics and important applications of commercial lasers worldwide. It proceeds with discussions on light and optics, the fundamental elements of lasers, and laser modification. The concluding chapters are composed of a survey of modern lasers, including: Semiconductor lasers Optically pumped solid-state lasers Ion, HeNe, and HeCd lasers Carbon dioxide lasers Excimer lasers (codiscovered by J. J. Ewing) Ultrafast and tunable lasers, OPOs Introduction to Laser Technology, Third Edition is intended for those who are familiar with the principles of electro-optical technology, but possess limited formal training. This comprehensive treatment is essential, one-stop shopping for professionals, students, and non-engineer executives interested in the design, sales, or applications of the laser and electro-optics industry.
Author :
Publisher :
ISBN 13 :
Total Pages : 892 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
