Optical Fiber Communications Principles And Practice Senior Pdf
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- Optical Fiber Communications Solutions Manual: Principles and Practice
- optical fiber communications principles and practice 3rd edition
- Optical Fibre Communications JOHN.M.seniOR
M" Optlcal fiber communications- Bibliography: p. I ncludes index.
Optical Fiber Communications Solutions Manual: Principles and Practice
M" Optlcal fiber communications- Bibliography: p. I ncludes index. Optical communications. Title, TK For parmlsslon within tile United States contact Prentlce-Hall inc. Englewood Cliffs, NJ Sydnev Prentice-Hall Canada, lnc. Printed in the United States of America -',. IX Glossary of Symbol. Fibers 43 2. Exam pies of fiber cabl es Optical Fiber Connection 4. During this period tremendous advances have been achieved with optical fibers and components as well as with the associated optoelectronics.
As a result this new technology has now reached the threshold of large scale commercial exploitation.. Installation of optical fiber communication systems is progressing within both national telecommunication networks and more localized data communication and telemetry environments. Furthermore, optical fiber communication has become synonymous with the current worldwide revolution in information techno1ogy..
The relentless onslaught will undoubtedly continue over the next decade and the further predicted developments will ensure even wider application of optical fiber communication technology in this 'infermation age'.. The practical realization of wide-scale optical fiber communications requires suitable education and training for engineers and scientists within the technology.
In this context the book has been developed from both teaching the subject to final year undergraduates and from a successful series of short courses on optical fiber communications conducted for professional engineers at Manchester Polytechnic. This book has therefore been written as a comprehensive introductory textbook for use by undergraduate and postgraduate engineers and scientists to provide them with a firm grounding in the major aspects of this new technology whilst giving an insight into the possible future developments within the field.
The reader should therefore be in a position to appreciate developments as they occur. With these aims in mind the book has been produced in the form of a teaching text enabling the reader to progress onto the growing number of specialist texts concerned with optical fiber waveguides, optoelectronics, integrated optics, etc.
In keeping with the status of an introductory text the fundamentals are included where necessary and there has been no attempt to cover the entire field in full mathematical rigor. However, selected proofs are developed in important areas throughout the text. It is assumed that the reader is conversant with differential and integral calcu1us and differential equations. In addition, the reader will find it useful to have a grounding in optics as well as a reasonable familiarity with the fundamentals of , solid state physics.
Chapter 1 gives a short introduction to optical fiber communications by considering the historical development, the general system and the major advantages provided by this new technology.
Chapter 2 the concept of the optical fiber as a transmission medium is introduced using a simple ray theory approach. This is followed by discuslion of electromagnetic wave theory applied to optical fibers prior to consideration of Ii,htwave transmission within the various fiber types, The major transmission cha r acteris tics of optical fi bers are th en di sCU ssed in so me detail in C h a pter 3.
Chapters 4 and 5 deal with the more practical aspects of optical fiber communication. In Chapter 4 the x PREFACE manufacture and cabling of the various fiber types are described, together with fiber to fiber connection or jointing, Chapter 5 gives a genera] treatment of the major measurements which may be undertaken on optical fibers in both the laboratory and the field.
This chapter is intended to provide sufficient background for the reader to pursue u se f u l 1 a bora tory wo r k with opti cal fibers. The other important semiconductor optical source, namely the light emitting diode, is dealt with in Chapter 7. The next two chapters are devoted to the detection of the optical signal and the amplification of the electrical signal obtained, Chapter 8 discusses the basic principles of optical detection in semiconductors; this is followed by a description of the various types of photodetector currently utilized.
The optical fiber receiver is considered in C hap ter 9 with partie uJ ar em ph as is on i ts perform an ce in noise. Chapter [0 draws together the preceding material in a detailed discussion of optical fiber communication systems, aiming to provide an insight into the design criteria and practices for aU the main aspects of both digital and analog fiber systems. A brief account of coherent optical fiber systems is also included to give an appreciation of this area of future development, Finally, Chapter [1 describes the many current and predicted application areas for optical fiber communications by drawing on examples from research and development work which has already been undertaken, This discussion is expanded into consideration of other likely future developments with a brief account of the current technology involved in integrated optics and optoelectronic inte gra ti on.
Worked examples are interspersed throughout the text to assist the learning process by illustrating the use of equations and by providing realistic values for the various parameters encountered, In addition, problems have been provided at the end of relevant chapters Chapters 2 to 10 inclusive to examine the reader's understanding of the text and to assist tutorial work.
A Teacher's Manual containing the solutions to these problems may be obtained from the publisher. Extensive end-of-chapter references providea guide for further reading and indicate a source for those equations which have been quoted without derivation.
A complete glossary of symbols, together with a list of common abbreviations employed in the text, is provided. SI units are used throughout the text. I am very grateful for the many useful comments and suggestions provided by reviewer s which have resulted ins ignifican t improvements to this text.
Thanks must also be given to. Further, r would like to thank my colleagues in the Dept. Senior Manchester Polytechnic. N1, N2, N3 , minority carrier concentration in n type semiconductor material, group index of an optical waveguide N 1 numerical aperture of an optical fiber.
G When the information is to be conveyed over any distance a communication system is usually required. This modulated carrier is then transmitted to. The use of visible optical carrier waves or light for communication has been common for many years.
Moreover, as early as Alexander Graham Bell reported the transmission of speech using a light beam l Ref. The otophone proposed by Ben just four years after the invention of the telephone modulated sunlight with a diaphragm giving speech transmission over a dlstance of m..
However, although some investigation of optical communication continued in the early part of the 20th Century l Refs, 2 and 3 I its use was limited to mobile, low capacity communication links.
This was due to th the lack of suitable light sources and the problem that light transmission ln the atmosphere is restricted to line of sight and scvere]y affected by disturces such as rain, snow, fog, dust and atmospheric turbulence. Nevertheless frequency and hence longer wavelength electromagnetic waves" i. V HF and UHF leading to the introduction of the even higher frequency microwave and, latterly, millimeter wave transmission.. In this context it may also be noted that communication at optical frequencies offers an increase in the potential usable bandwidth by a factor of around over high frequency microwave transmission.
An additional benefit of the use of high carrier frequencies is the general ability of the communication system to concentrate the available power within the transmitted electromagnetic wave, thus giving an im proved sy stern perform ance f Ref.
A renewed interest in optical communication was stimulated in the early s with the invention of the laser I Ref. However, the previously mentioned constraints of light transmission in the atmosphere tended to restrict these systems to short distance applications. Nevertheless, despite the pro blerns some mod est free space optical commun lea tion lin k s have been implemented for application s such as the lin king of a television cam er a to a base vehicle and for data I inks of a few hundred mete rs between bu ildings, There is also some interest in optical communication between satellites in outer space u s i ng similar techn iq ues [Ref.
Although the U5e of laser for free space optical communication proved somewhat limited, the invention of the laser instigated a tremendous research effort in the study of optical components 10 achieve reliable information transfer using a lightwave carrier, The proposals for optical communication via dielectric waveguides or optical fibers fabricated from glass were made almost simultaneously in by K ao and Hockharn [Ref.
Such systems were viewed as a replacement for coaxial cable or carrier transmission systems. Initially the optical fibers exhibited very high attenuation i. There were also serious problems involved with jointing the fiber cables in a satisfactory manner to achieve low loss and to enable the process to be performed relatively easily and repeatedly in the " E: 01 1"4 E c U C1J CL.
L l"""":- t- E P"". Nevertheless, within the space of ten years opti cal fi bcr 10sses were reduced Lo below 5 dB km ' and suitable low loss jointing techniques were perfected. Since optica1 frequencies are accompanied by extremel y small wavelength s the development of all these optical com pon ents essentially required a new technology..
Thus semiconductor optical sources i. Initially the semiconductor lasers exhibited very short lifetimes of at best a few hours, but significant advances in the device structure enabled lifetimes greater than hr r Ref.
More recently this wavelength range has been extended to include the 1. Similar developments in the generally simpler structure of light emitting diodes and detector photodiodcs also contributed to the realization of rel ia ble optical fiber communication.
The achievem ent of these impressive results h as stemmed from the enorm ous amou nt of work directed into these areas due to the m aj or distinct advantages offered by optical fiber communications.
A block schematic of a general communication system is shown in Fig. The com munication syste m therefore consi sts of a transmitter or modulator linked to the information source, the transmission medium, and a receiver or demodulator at the destination point. I Transmitter T ransrn issio. L Dr;;. This is often achi eyed by modu-.
The tran s mission rnedi urn c an con sist of a p air of wires, a coaxial cable or a radio link through free space down which the signa] is. Therefore, in any communication stem there is a maximum permitted distance between the transmitter and the ftceiver beyond which the system effectively ceases to give intelligible com:m.
For optical fiber communications the system shown in Fig.. Thus there is a requirement. W ith digital. Although often simpler to implement, analog modulation with an optical fiber communication system is Jess efficient, requiring a far higher signa] to noise ratio at the receiver than digital modulation.
A] so the linearity needed for analog modulation is not alway s provided by semiconductor optical sources, especially at high modulation frequencies. For these reasons, analog optical fiber communication Jinks are general1y limited to shorter distances and lower bandwidths than digital links. Figure 1. Initially the input digital signal from the information source is suitably encoded for optical transmission.
The laser drive circuit directly modulates the intensity of the semiconductor laser with the encoded digital signal. Hence a digital optical signa] is launched into the opticaJ fiber cab1e. The ava1anche photodiode APD detector is followed by a front-end amplifier and equalizer or filter to provide gain as wen as linear signal processing and noise bandwidth reduction" Finally, the signal obtained is decoded to give the original digital information.
The various elements of this and alternative optical fiber system configurations are discussed in detail in the following chapters. However, at this stage it is instructive to consider the advantages provided by lightwave Laser drive circuit Amplifier and eq ual i t.
Dlgiud output Fig. I I :1 Ijt: Significant developments are taking place in optical signal processing which may alter thl. TIY S. Therefore, the information-carrying capacity of optical fiber systems is already proving far superior to the best copper cable systems. By comparison the losses in wideband coaxial cable systems restrict the transmission distance to only a few kilometers at bandwidths over a hundred megahertz.
optical fiber communications principles and practice 3rd edition
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Embed Size px x x x x This highly successful book, now in its third edition, has been extensively updated to include both new developments and improvements to technology and their utilization within the optical fiber global communications network. The third edition, which contains an additional chapter and many new sections, is now structured into 15 chapters to facilitate a logical progression of the material, to enable both straightforward access to topics and provide an appropriate background and theoretical support. Key features Anentirelynewchapteronopticalnetworks,incorporatingwavelengthroutingand optical switching networks Arestructuredchapterprovidingnewmaterialonopticalamplifiertechnology, wavelength conversion and regeneration, and another focusing entirely on integrated optics and photonics Manyareashavebeenupdated,including:lowwaterpeakandhighperformance single-mode fibers, photonic crystal fibers, coherent and particularly phase-modulated systems, and optical networking techniques Inclusionofrelevantup-to-datestandardizationdevelopments Mathematicalfundamentalswhereappropriate Increasednumberofworkedexamples,problemsandnewreferences. This new edition remains an extremely comprehensive introductory text with a practical orientation for undergraduate and postgraduate engineers and scientists. It provides excellent coverage of all aspects of the technology and encompasses the new developments in the field.
Optical Fibre Communications JOHN.M.seniOR
College Physics — Raymond A. Serway, Chris Vuille — 8th Edition. Introduction to Heat Transfer — Frank P. Incropera — 6th Edition.
The text succeeds in giving a practical introduction to the fundamentals, problems and techniques of design and utilisation of optical fiber systems. It is respected as the most comprehensive and practical book in the market. This new edition will retain all core features, while incorporating recent improvements and developments in the field.
Find many great new used options and get the best deals for Optical Fiber Communications : Principles and Practice by John Senior , Trade Paperback, Revised edition at the best online prices at eBay! Free shipping for many products. Operational characteristics of optical transmitters and receivers; Link analysis of digital and analog optical systems; Dispersion management techniques Required Textbook: Fiber Optic Communication Systems, 3rd Edition, G. Agrawal, John Wiley and Sons, Recommended Textbooks:.
College Physics — Raymond A. Serway, Chris Vuille — 8th Edition. Introduction to Heat Transfer — Frank P.
The text succeeds in giving a practical introduction to the fundamentals, problems and techniques of design and utilisation of optical fiber systems. It is respected as the most comprehensive and practical book in the market. This new edition will retain all core features, while incorporating recent improvements and developments in the field. Optical fiber systems have now become more sophisticated and, as a result, are now the communication method of choice for many systems. The reason is the electronic devices divert your attention and also cause strains while reading eBooks.
M" Optlcal fiber communications- Bibliography: p. I ncludes index. Optical communications. Title, TK For parmlsslon within tile United States contact Prentlce-Hall inc.
Embed Size px x x x x This highly successful book, now in its third edition, has been extensively updated to include both new developments and improvements to technology and their utilization within the optical fiber global communications network.