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Author :
Publisher :
ISBN 13 :
Total Pages : 67 pages
Book Rating : 4.:/5 (949 download)
Download or read book Erbium Doped Fiber Amplifier (EDFA) in Dense Wavelength Division Multiplexing (DWDM) written by and published by . This book was released on 2009 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Emmanuel Desurvire
Publisher : Wiley-Interscience
ISBN 13 : 9780471589778
Total Pages : 800 pages
Book Rating : 4.5/5 (897 download)
Download or read book Erbium-Doped Fiber Amplifiers written by Emmanuel Desurvire and published by Wiley-Interscience. This book was released on 1994-03-18 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt: How is light amplified in the doped fiber? How much spontaneous emission noise is generated at the output? Do detectors with optical preamplifiers outperform avalanche photodiodes? What are the current types and architectures of amplifier-based systems? Erbium-Doped Fiber Amplifiers Principles and Applications These are just a handful of the essential questions answered in Erbium-Doped Fiber Amplifiers-the first book to integrate the most influential current papers on this breakthrough in fiber-optics technology. Written by one of the pioneers in the field, this unique reference provides researchers, engineers, and system designers with detailed, interdisciplinary coverage of the theoretical underpinnings, main characteristics, and primary applications of EDFAs. Packed with information on important system experiments and the best experimental results to date as well as over 1,400 references to the expanding literature, Erbium-Doped Fiber Amplifiers illuminates such key areas as: Modeling light amplification in Er-doped single-mode fibers Fundamentals of noise in optical fiber amplifiers Photodetection of optically amplified signals Spectroscopic properties of erbium glass fibers Gain, saturation, and noise characteristics of EDFAs Device and system applications of EDFAs In so doing, the book sheds light on many new frontiers of knowledge, such as inhomogeneous modeling and nonlinear photon statistics, and demonstrates the many broadening benefits of EDFAs, including their polarization insensitivity, temperature stability, quantum-limited noise figure, and immunity to interchannel crosstalk. With the demand for transoceanic and terrestrial communications growing at a steady rate of 25% a year, the arrival of Erbium-Doped Fiber Amplifiers-destined to significantly expand the capabilities of today's hard-pressed lightwave technology-couldn't be more timely.
Author : Aiman Mohemad Mohemad Kassir
Publisher :
ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.:/5 (975 download)
Download or read book Design and Development of a Broadband Erbium Doped Fiber Amplifiers written by Aiman Mohemad Mohemad Kassir and published by . This book was released on 2003 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents the research work that was carried out on the development, characterization and analysis of broadband Erbium doped silica fiber amplifier (B-EDF). Erbium doped fiber amplifiers provide advantages over regenerative repeaters as well as other amplification systems. For example, better crosstalk characteristics, higher power operation, lower insertion loss than semiconductor laser amplifiers, higher efficiency than Raman amplifiers and low noise figure than Brilloun amplifiers. In addition, EDFAs are the only amplifier, that can be used as both distributed and lumped amplifier in telecommunications. Currently, optical communication technology is moving from point-to-point sys- terns to optical networking. The exponential growth in data communications and the internet places urgent demands on high-capacity communication networks. To increase the total capacity, amplifier bandwidth has commanded much attention. However, the spread and expansion of dense wavelength division multiplexing (DWDM) systems are keeping pace with various technology developments of optical amplifiers and, in particular, the bandwidth broadening of EDFAs. For this thesis, a novel EDF A structure is developed to increase the amplifier bandwidth by combining the conventional band and long wavelength band (C+L). This will offer more efficient use of optical fiber networks and it will satisfy the demand of higher transmission capacity. The design and development of EDFAs is viewed particularly from engineering perspective through double pass technique. Single pass and double pass silica based Erbium doped fiber amplifier, (SP-EDFA, DP-EDFA) have been discussed in this thesis. The performance of both systems is compared and presented thoroughly. There are two-approaches used in this thesis: simulation and experiment work. Simulation is designed to check and optimize the design parameters of the amplifier. Efforts, costs and time can be saved through software simulation process, which are the benefits that make the simulation as an absolute option in the amplifier design. Experiment is implemented after the optimization stage with both, SP-EDFA and DP-EDFA, systems. As a conclusion, results of both approaches will be presented in this thesis. A bandwidth amplification of90nm is obtained through a double pass technique. This bandwidth can support more than 100 WDM channels with standard channel spacing of 100 Gbps. All analysis and discussion will be presented.
Author : John Zyskind
Publisher : Academic Press
ISBN 13 : 0080960987
Total Pages : 483 pages
Book Rating : 4.0/5 (89 download)
Download or read book Optically Amplified WDM Networks written by John Zyskind and published by Academic Press. This book was released on 2011-01-26 with total page 483 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the advent of wavelength routing and dynamic, reconfigurable optical networks, new demands are being made in the design and operation of optical amplifiers. This book provides, for the first time, a comprehensive review of optical amplifier technology in the context of these recent advances in the field. It demonstrates how to manage the trade-offs between amplifier design, network architecture and system management and operation. The book provides an overview of optical amplifiers and reconfigurable networks before examining in greater detail the issues of importance to network operators and equipment manufacturers, including 40G and 100G transmission. Optical amplifier design is fully considered, focusing on fundamentals, design solutions and amplifier performance limitations. Finally, the book discusses other emerging applications for optical amplifiers such as optical networks for high data rate systems, free space systems, long single span links and optical digital networks. This book will be of great value to R&D engineers, network and systems engineers, telecommunications service providers, component suppliers, industry analysts, network operators, postgraduate students, academics and anyone seeking to understand emerging trends in optical networks and the consequent changes in optical amplifier design, features and applications. Provides an in depth and focused review of the new reconfigurable network architecture and its impact on optical amplifiers Addresses 40G and 100G transmission and networking Written by experts in the field with deep technical knowledge and practical experience of commercial practice and concerns
Author : Jean-Pierre Laude
Publisher : Artech House Publishers
ISBN 13 :
Total Pages : 312 pages
Book Rating : 4.3/5 (91 download)
Download or read book DWDM Fundamentals, Components, and Applications written by Jean-Pierre Laude and published by Artech House Publishers. This book was released on 2002 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: This leading-edge resource provides you with comprehensive, up-to-date coverage of the principles, technologies, standards and applications of Dense Wavelength Division Multiplexing (DWDM). Essential reading for technical and business professionals alike, this volume will enable you to: understand how DWDM components, devices and networks operate, examine the configuration and design trade-offs of current DWDM components and systems, assess the latest standards for optical network management, discover recent technological developments, and decide the direction and most promising areas for future R& D in the field.
Author : Emmanuel Desurvire
Publisher : Wiley-Interscience
ISBN 13 : 9780471266273
Total Pages : 0 pages
Book Rating : 4.2/5 (662 download)
Download or read book Erbium-Doped Fiber Amplifiers, 2 Volume Set written by Emmanuel Desurvire and published by Wiley-Interscience. This book was released on 2002-08-30 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Erbium-doped fiber amplifiers are an important technology for lightwave voice, video, and data transmission. The first volume of Erbium-Doped Fiber Amplifiers: Principles and Applications offered an important exploration of the then-infant technology of erbium-doped fiber amplifiers. The passage of the 1996 Telecommunications Act and the growth of the Internet have sparked intense demand for expanded bandwidth in all network layers, resulting in significant advances in EFDA technology. Erbium-Doped Fiber Amplifiers: Device and System Developments brings telecommunications professionals up to date. Combining the contributions from four international experts in EDFAs, this new volume expands the reader's conceptual understanding of EDFAs and covers the developmental issues of EDFAs that are relevant to modern telecom applications. The authors review: New aspects in EDFA modeling, including the standard confined-doping, the transcendental-power-equation, and average-inversion-level models Design concepts for EDFAs in terrestrial and submarine WDM systems Transmission fiber design and dispersion-management techniques for terabit/s systems Amplified submarine-cable systems, including a brief history of submarine cable communications and the investigation of terabit/s system technologies Advanced concepts in the physics of noise in amplified light, noise figure definitions, entropy and ultimate capacity limits Delving into fundamental concepts (including a wealth of previously unpublished materials) as well as important breakthroughs, this much-needed resource will place telecom engineers in a position to take advantage of every aspect in the broad potential of EDFAs. "The book is an indispensable reference for researchers, development engineers, and system designers in fiber-optic communications. . . . It will excel as an introductory text in upper-level undergraduate and graduate courses on system applications of fiber optics." --Optik "One of the most comprehensive and detailed accounts of the physics and fundamental principles of erbium-doped fiber amplifiers. . . . I do not hesitate to recommend the book enthusiastically to anyone having an interest in EDFAs and their applications." --Physics Today
Author : Hongseok Shin
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.E/5 ( download)
Download or read book Erbium-Doped Fiber Amplifier Gain Module Performance and Characteristic Analysis written by Hongseok Shin and published by . This book was released on 1997 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jefferson L. Wagener
Publisher :
ISBN 13 :
Total Pages : 338 pages
Book Rating : 4.F/5 ( download)
Download or read book Erbium Doped Fiber Sources and Amplifiers for Optical Fiber Sensors written by Jefferson L. Wagener and published by . This book was released on 1996 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zhaohui Zheng
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (726 download)
Download or read book Modeling and Simulation of Dynamic Performance of Erbium Doped Fiber Amplifier in Wavelength Division Multiplexing Systems written by Zhaohui Zheng and published by . This book was released on 2002 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ahmad Shukri Muhammad Noor
Publisher :
ISBN 13 :
Total Pages : 178 pages
Book Rating : 4.:/5 (975 download)
Download or read book Design and Development of a Dual-core Erbium Doped Amplifier for Polarization-multiplexed Signals written by Ahmad Shukri Muhammad Noor and published by . This book was released on 2006 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: The extensive usage of Erbium Doped Fiber Amplier (EDFA) in fiber optic networks creates many new configurations and technologies. Conventional optical amplifiers based on EDFA can amplify multiple channels at the same time, but within a single fiber optic core. The amplifier can be made to support multiple fibers, however the channels must be at different set of wavelengths, which is impractical since optical channels are standardized at a specific set of wavelengths. Therefore, the application of optical amplifiers are limited for one fiber core only. As an alternative, a design of an EDFA is hereby proposed. With the amplifier, it will make the network management simpler. It also provides flexibility in optical network design. In this dissertation, the design and development of EDFA is detailed and discussed. The design has made it possible to support two fibers with each one carrying the same set of wavelengths. This is achieved by taking advantage the polarization multiplexing techniques which allow a combination of lights by setting them linear and orthogonally apart. The signals co-exist in a single core EDF by differetiating both of their polarity using polarization controllers. Then it will combine through in a single core using a 3dB coupler. The combined signals are then amplified by the EDFA simultaneously, doubling the amount of signals carried by the same wavelength. The amplifier has been successfully tested at the transmission speed as high as 2.5Gbps. Moderate gain and noise figure od EDFA was achieved at an optimum pump power for the EDF at 40 mW. The transmission performance also shows tolerable polarizatiob crosstalk due to unpolarized amplified spontaneous emission with the bit error rate showing little difference compared to that of the conventional amplifier. The results were obtained mainly through experimentation while others are through software simulation.
Author : Emmanuel Desurvire
Publisher :
ISBN 13 : 9780471433996
Total Pages : pages
Book Rating : 4.4/5 (339 download)
Download or read book Erbium-Doped Fiber Amplifiers written by Emmanuel Desurvire and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Simulation and performance analysis of digital systems using erbium-doped fiber amplifiers written by and published by . This book was released on 1909 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Os amplificadores a fibra dopada com érbio (EDFAs) têm se mostrado como uma alternativa bastante atraente para aumentar a capacidade de sistemas de comunicações por fibras ópticas operando na terceira janela de transmissão de fibras convencionais (lambda = 1.55 mi m). Consideráveis esforços têm sido direcionados ao aprimoramento do desempenho desses dispositivos. O potencial de aplicação em telecomunicações é grande e motiva o estudo do desempenho dos enlaces com o uso de EDFAs. A maior parte das contribuições teóricas sobre influência de amplificadores ópticos no desempenho dos receptores consiste de métodos que são fáceis de usar mas muito aproximado o que pode conduzir a estimativas bastantes imprecisas -, ou muito precisos mas de utilização extremamente difícil devido a uma complexidade inerente. São apresentados modelos para a simulação de sistemas de comunicações ópticos digitais que consideram as perdas no sinal e as distorções da forma de onda devidas ao efeito combinado do chirping do laser, da dispersão da fibra e da largura de banda finita do receptor. É proposta uma nova abordagem para o cálculo da taxa de erro do sistema e da sensibilidade, que possui a precisão e a simplicidade desejadas. O método desenvolvido considera a interferência intersimbólica (causada pelas distorções) e das contribuições de ruídos dos amplificadores, utilizando-se o método semi-analítico. Esses modelos e o método desenvolvido foram utilizados para introduzir a simulação de sistemas ópticos com EDFAs em um programa já existente de análise de sistemas. Foram realizadas simulações para avaliar as contribuições dos diversos parâmetros dos EDFAs e as implicações de algumas propriedades do sistema no desempenho total do sistema óptico. A comparação com resultados de análises rigorosas, encontrados na literatura, validou a abordagem proposta.
Author : Chien-Hung Yeh
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (115 download)
Download or read book Investigation of Broadband S-Band to L-Band Erbium-Doped Fiber Amplifier (EDFA) Module written by Chien-Hung Yeh and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This chapter presents three sections that describe the broadband S-band to L-band erbium-doped fiber amplifier modules. In the first section, an S-band gain-clamped erbium-doped fiber amplifier (EDFA) module, employing a fiber Bragg grating (FBG) to act as a reflected element for generating a saturated tone injected into the EDFA module by using forward optical feedback method, is proposed. Moreover, the output performance of the gain and noise figure (NF) in the proposed gain-clamped S-band EDFA has been discussed in the wavelength range of 1478-1520 nm. In the second section, we demonstrate experimentally a gain-flattened two-stage erbium-based fiber amplifier (EBFA) module, which is composed of by an erbium-doped waveguide amplifier (EDWA) and a C-band EDFA in serial structure. In an operation range of 1528-1562 nm, the entire gain is larger than 35 dB and the observed NF is between 5.5 and 6.7 dB. Moreover, ±1.1 dB maximum gain variation is also obtained for the input signal power of -25 dBm. Hence, the proposed fiber amplifier not only enhances the gain but also achieves the flatness in the wavelength region. In the final section, a broadband hybrid two-stage fiber amplifier, which is composed by a C-band EDFA and a C-band semiconductor optical amplifier (SOA) in serial scheme, is investigated experimentally. Here, we only use a 3 m long erbium-doped fiber (EDF) serving as a preamplifier to increase the gain and reduce the noise figure. Therefore, the proposed hybrid amplifier achieves a 110 nm effectively amplification of 1500-1610 nm (from S- to L-band). In addition, the output performance of gain and NF in the proposed fiber amplifier has also been discussed.
Author : Douglas Baney
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (393 download)
Download or read book Optical Power and Wavelength for Single-source Simulation of EDFA WDM Gain written by Douglas Baney and published by . This book was released on 1996 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dinesh Ambwani
Publisher :
ISBN 13 :
Total Pages : 128 pages
Book Rating : 4.:/5 (78 download)
Download or read book Study and Simulation of Optical Erbium Doped Fiber Amplifier written by Dinesh Ambwani and published by . This book was released on 2006 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hussein Mohammad
Publisher :
ISBN 13 : 9783846515471
Total Pages : 152 pages
Book Rating : 4.5/5 (154 download)
Download or read book Simulation of Multiplexing System Using Erbium Doped Fiber Amplifier written by Hussein Mohammad and published by . This book was released on 2011-11 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : Information Gatekeepers Inc
ISBN 13 :
Total Pages : 364 pages
Book Rating : 4./5 ( download)
Download or read book Wavelength Division Multiplexing (WDM) System Components written by and published by Information Gatekeepers Inc. This book was released on with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
