By John Zyskind

ISBN-10: 0123749654

ISBN-13: 9780123749659

Content material:
Front Matter

, Page iii
Copyright

, Page iv
Dedication

, Page v, Atul Srivastava, Johu Zyskind
Foreword

, Pages ix-x, Rod Alferness
Author Biographies

, Pages xi-xviii
Chapter 1 - Optical Amplifiers for subsequent iteration WDM Networks: A point of view and Overview

, Pages 1-22, Atul Srivastava, John Zyskind
Chapter 2 - ROADM-Based Networks

, Pages 23-45, Brandon C. Collings, Peter Roorda
Chapter three - demanding situations and possibilities in destiny High-Capacity Optical Transmission Systems

, Pages 47-82, Xiang Liu
Chapter four - EDFAs, Raman Amplifiers and Hybrid Raman/EDFAs

, Pages 83-116, John Zyskind, Maxim Bolshtyansky
Chapter five - Dynamic and Static achieve alterations of Optical Amplifiers at ROADM Nodes

, Pages 117-154, Etsuko Ishikawa, Setsuhisa Tanabe, Masato Nishihara, Youichi Akasaka
Chapter 6 - gaining knowledge of strength Transients—A Prerequisite for destiny Optical Networks

, Pages 155-200, Peter Krummrich
Chapter 7 - Spectral energy Fluctuations in DWDM Networks as a result of Spectral-Hole Burning and inspired Raman Scattering

, Pages 201-219, Jörg-Peter Elbers, Cornelius Fürst
Chapter eight - Amplifier matters for actual Layer community Control

, Pages 221-251, Daniel C. Kilper, Christopher A. White
Chapter nine - complicated Amplifier Schemes in Long-Haul Undersea Systems

, Pages 253-276, Alan Lucero
Chapter 10 - demanding situations for Long-haul and Ultra-long-haul Dynamic Networks

, Pages 277-295, Martin Birk, Kathy Tse
Chapter eleven - delivery ideas for Optically Amplified Networks

, Pages 297-339, Werner Weiershausen, Malte Schneiders
Chapter 12 - Optical Amplifier for upkeep pleasant Fiber Networks

, Pages 341-361, Glenn A. Wellbrock, Tiejun J. Xia
Chapter thirteen - good value Optical Amplifiers

, Pages 363-385, Bruce Nyman, Gregory Cowle
Chapter 14 - Semiconductor Optical Amplifiers for Metro and entry Networks

, Pages 387-416, Leo Spiekman, David Piehler
Chapter 15 - marketplace traits for Optical Amplifiers

, Pages 417-443, Daryl Inniss
Index

, Pages 445-464

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Extra info for Optically Amplified WDM Networks

Sample text

14 Chapter 15. Market trends for optical amplifiers (Daryl Inniss) At the peak of the telecom bubble in 1999e2000, the size of the optical amplifier market was projected to grow to $5 billion in five years. However, 10 years later the market size is more than one order of magnitude lower at $300 million, and is projected to remain on a plateau over the next five years. The market stagnation is caused by the continual demand for amplification cost reduction, which nearly compensates the 10% to 15% year-to-year growth in number of optical amplifier (OA) units deployed.

In shorter reach networks where reach was not a constraint, electrical access to the payload to allow sub-wavelength granularity bandwidth management also necessitated the termination of wavelengths into electrical cross-connects or synchronous optical networks (SONET) or synchronous digital hierarchy (SDH) add-drop multiplexers (ADMs). As the optical reach of systems was extended and the number of wavelengths supported per fiber increased, it became both possible and desirable for some wavelength channels to optically bypass some nodes to both simplify the node and eliminate opto-electronic termination equipment previously required to allow traffic to bypass the node.

However, due to the significant differences in both the network and node architectures along with the increasingly dynamic utilization of the networks’ flexibility, the requirements placed on the optical amplifiers differ significantly. To implement the flexibility and photonic cross-connect capabilities that define a reconfigurable optical network, the typical ROADM node architecture requires two optical amplifiers (as shown in the figures in the preceding section). In general, one amplifier on the inbound fiber to the node is positioned and designed to compensate the loss of the preceding fiber span, whereas the second amplifier is typically positioned adjacent to the outbound fiber to compensate the splitting and component losses within the node and prepare the channel optical powers for launch into the transmission fiber.

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Optically Amplified WDM Networks by John Zyskind


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