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Author: Dong-Soo Shin
Publisher:
ISBN:
Category :
Languages : en
Pages : 410
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Book Description
Author: Dong-Soo Shin
Publisher:
ISBN:
Category :
Languages : en
Pages : 410
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Book Description
Author: Charles H. Cox, III
Publisher: Cambridge University Press
ISBN: 1139451251
Category : Technology & Engineering
Languages : en
Pages : 306
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Book Description
Analog Optical Links presents the basis for the design of analog links. Following an introductory chapter, there is a chapter devoted to the development of the small signal models for common electro-optical components used in both direct and external modulation. However this is not a device book, so the theory of their operation is discussed only insofar as it is helpful in understanding the small signal models that result. These device models are then combined to form a complete link. With these analytical tools in place, a chapter is devoted to examining in detail each of the four primary link parameters; gain, bandwidth, noise figure and dynamic range. Of particular interest is the inter-relation between device and link parameters. A final chapter explores some of the trade offs among the primary link parameters.
Author: Charles Howard Cox
Publisher: SPIE-International Society for Optical Engineering
ISBN:
Category : Fiber optics
Languages : en
Pages : 672
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Book Description
SPIE Milestones are collections of seminal papers from the world literature covering important discoveries and developments in optics and photonics.
Author: Matthias Seimetz
Publisher: Springer Science & Business Media
ISBN: 3540937706
Category : Technology & Engineering
Languages : en
Pages : 265
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Book Description
Catering to the current interest in increasing the spectral efficiency of optical fiber networks by the deployment of high-order modulation formats, this monograph describes transmitters, receivers and performance of optical systems with high-order phase and quadrature amplitude modulation. In the first part of the book, the author discusses various transmitter implementation options as well as several receiver concepts based on direct and coherent detection, including designs of new structures. Hereby, both optical and electrical parts are considered, allowing the assessment of practicability and complexity. In the second part, a detailed characterization of optical fiber transmission systems is presented, regarding a wide range of modulation formats. It provides insight in the fundamental behavior of different formats with respect to relevant performance degradation effects and identifies the major trends in system performance.
Author: Charles H. Cox
Publisher: Elsevier Inc. Chapters
ISBN: 0128060921
Category : Technology & Engineering
Languages : en
Pages : 37
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Book Description
The transmission of multi-band radio signals through optical fibers has drawn great attention recently for its potential in cellular backhaul networks, mobile cloud computing, and wireless local-area networks. As wireless services and technologies evolve to multi-gigabit radio access networks, their speed is increased but the wireless coverage of a single access point is inevitably reduced dramatically. As a result, the importance of >10GHz radio-over-fiber techniques has been emphasized for the capability of expanding wireless coverage feasibility, and in the meantime reducing system complexity and operation expenditure, especially in the high-speed millimeter-wave regime. In this chapter, we introduce the radio-over-fiber technique and its challenge of handling optical millimeter-wave generation, transmission, and converged multi-band system. By exploring real-world, system implementation and characterization, the unique features and versatile applications of radio-over-fiber technologies are investigated and reviewed to reach next-generation converged optical and wireless access networks.
Author: Paul K. L. Yu
Publisher:
ISBN:
Category : Fiber optics
Languages : en
Pages : 0
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Book Description
For many RF photonic applications, low RF insertion loss, large spurious free dynamic range (SH)R) links are needed. This development program demonstrated a high saturation power (46 mW), high RF efficiency ( -17.8 dB) analog semiconductor waveguide modulator based upon Franz-Keldysh Effect (FKE) modulation. This was achieved with 43 mW optical power incident to the modulator. The modulator was operated with a multi-octave SFDR of 106 dB-Hz (2/3), and a single octave SH)R of 124 dB-Hz (4/5). Also introduced is a novel, dual function operation concept for the semiconductor electroabsorption modulator for operating also as an effective photodetector. The photodetector can handle more than 20 mA of photocurrent. The behavior of a waveguide modulator based upon FKE and Quantum Confined Stark Effect to achieve high linearity modulation was also modeled and documented. A first time demonstration of high quality, strain compensated multiple quantum well InGaP/InAsP materials was accomplished. Up to one micrometer thick strained multiple quantum well regions can be grown without degradation in the optical properties of the materials.
Author: Antao Chen
Publisher: CRC Press
ISBN: 1439825068
Category : Science
Languages : en
Pages : 571
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Book Description
"...provides the full, exciting story of optical modulators. ... a comprehensive review, from the fundamental science to the material and processing technology to the optimized device design to the multitude of applications for which broadband optical modulators bring great value. ... Especially valuable in my view is that the authors are internationally known researchers, developers, and systems people who are experts in their field, writing now, with the perspective that time offers, about their groundbreaking work. " —Dr. Rodney C. Alferness, Senior Vice President of Optical Networking Research at Lucent Technologies’ Bell Labs Considered the most comprehensive book yet published on this critical subject, Broadband Optical Modulators: Science, Technology, and Applications offers an incredibly wide-ranging yet in-depth overview of the state of the art in the design and use of optical modulators. A compilation of expert insights, this book covers fundamental and practical aspects, from materials to systems, addressing historical and more recent developments. Coverage includes: Optical and electro-optic properties of traditional single crystalline lithium niobate, silicon, and III-V compound semiconductors, as well as emerging electro-optic polymers and organic nonlinear optic crystals Discussion of factors important to modulator design, fabrication, and performance Fundamental topics, such as electro-optic effect in nonlinear optic crystals and semiconductors Leaders in the field created this invaluable reference for scientific researchers involved in high-speed device research and development, especially in the areas of optical transmitters and optical modulators for fiber-optics communication systems. Helping readers master optical modulation techniques, this book will be invaluable to engineers (system/subsystem designers, product developers, and technical and project managers) and other professionals in the telecommunications and defense industries. It offers the audience—which includes graduate students—an in-depth understanding of the new modulator architectures and technologies now available, as well as the strengths, weaknesses, advantages, and trade-offs associated with each.
Author: Paul K. L. Yu
Publisher:
ISBN:
Category : Fiber optics
Languages : en
Pages : 33
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Book Description
For many RF photonic applications, low RF insertion loss, large spurious free dynamic range (SH)R) links are needed. This development program demonstrated a high saturation power (46 mW), high RF efficiency ( -17.8 dB) analog semiconductor waveguide modulator based upon Franz-Keldysh Effect (FKE) modulation. This was achieved with 43 mW optical power incident to the modulator. The modulator was operated with a multi-octave SFDR of 106 dB-Hz (2/3), and a single octave SH)R of 124 dB-Hz (4/5). Also introduced is a novel, dual function operation concept for the semiconductor electroabsorption modulator for operating also as an effective photodetector. The photodetector can handle more than 20 mA of photocurrent. The behavior of a waveguide modulator based upon FKE and Quantum Confined Stark Effect to achieve high linearity modulation was also modeled and documented. A first time demonstration of high quality, strain compensated multiple quantum well InGaP/InAsP materials was accomplished. Up to one micrometer thick strained multiple quantum well regions can be grown without degradation in the optical properties of the materials.
Author: Zhensheng Jia
Publisher: CRC Press
ISBN: 1000736504
Category : Technology & Engineering
Languages : en
Pages : 123
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Book Description
This book will highlight the motivation for coherent optics in access and introduce digital coherent optical system in detail, including advanced modulation formats, architecture of modulation and detection, and DSP flow for both transmitter and receiver. This book will also demonstrate potential approaches to re-design and re-engineer the digital coherent concept from long-haul and metro solutions to the access network, leveraging reduction in complexity and cost as well as the benefits of capacity increases and operational improvements. This book will illustrate the details on optimization of the digital, optical, and electrical complexity and standardization and interoperability.
Author: Paul Sierak
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 288
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Book Description
