اصول DWDM، اجزا و کاربردها

Leading-edge resource provides you with comprehensive, up to date coverage of the principles, technologies, standards and applications of Dense Wavelength Division Multiplexing (DWDM). Contents v......Page 4 Preface xv......Page 13 Acknowledgments xvii......Page 15 1 Introduction 1......Page 16 2.1 Wavelength Division Multiplexing: Basic Principles 3......Page 18 2.3 WDM and Time Division Multiplexing 4......Page 19 2.4 Wavelength Domain and Separation Between Channels 5......Page 20 2.6 Optical Wavelength/Optical Frequency Conversion 7......Page 22 2.7 How Many Channels? 10......Page 25 2.8 Some Definitions 11......Page 26 2.9 Solitons 12......Page 27 References 16......Page 31 3.1 Passive Components: The Current Available Choice 19......Page 34 3.2 AWG 21......Page 36 3.3 FBG 27......Page 42 3.4 Optical Multidielectric Filters 32......Page 47 3.5 Diffraction Gratings 38......Page 53 3.6 Cascaded Mach-Zehnder Interferometers 64......Page 79 3.7 Other Devices: FBG/MZ Interferometer Devices 67......Page 82 3.8 Methods for Broadening and Flattening the Spectral Shape of the Transmission Channels of Grating WDM 68......Page 83 3.9 Comparison of the Different Solutions 74......Page 89 References 77......Page 92 4.1 Introduction 83......Page 98 4.2 Semiconductor Lasers 84......Page 99 4.3 Glass-Doped-Based Lasers with Narrow Line-Widths 96......Page 111 4.4 Spectral Slicing of Sources 98......Page 113 4.5 Wavelength Converters 106......Page 121 References 113......Page 128 5.2 SOAs 125......Page 140 5.4 Raman Scattering Amplifiers 128......Page 143 5.5 Rare Earth-Doped Fiber Optic Amplifiers 129......Page 144 5.6 Optical Signal-to-Noise Ratio of Erbium-Doped Fiber and Hybrid Raman/Erbium-Doped Fiber Amplifier Transmissions 136......Page 151 5.7 Erbium-Doped Planar Waveguides 139......Page 154 5.9 Comparison of Some Typical Characteristics of the Main Optical Amplifiers 140......Page 155 References 141......Page 156 6.1 Introduction 147......Page 162 6.2 Wavelength Conversion 153......Page 168 6.3 Network Architecture Classification 154......Page 169 6.4 Some Definitions Used for Interconnection Performance Characterization 157......Page 172 6.6 Space Switches 158......Page 173 6.7 Passive Wavelength Router 169......Page 184 6.8 Optical Cross-Connector 184......Page 199 6.9 OADMs 198......Page 213 References 205......Page 220 7.1 Introduction 221......Page 236 7.2 SPM 222......Page 237 7.3 XPM 225......Page 240 7.4 FWM 227......Page 242 7.5 SBS 231......Page 246 7.6 SRS 232......Page 247 7.7 Conclusions 235......Page 250 References 237......Page 252 8.1 Some of the Earlier Applications 245......Page 260 8.2 Today’s DWDM Networks 248......Page 263 8.3 Long-Distance Transmission 254......Page 269 8.5 Conclusion 256......Page 271 References 257......Page 272 9 Conclusion 261......Page 276 References 262......Page 277 List of Acronyms 263......Page 278 About the Author 271......Page 286 Index 273......Page 288 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.

With an authoritative and balanced presentation of history, theory, information on WDM components, and a focus on practical system applications, the work is an invaluable technical resource and research tool for design and manufacturing engineers, optical network designers, and postgraduate students. The book also gives you an overview of the latest, innovative applications of DWDM, particularly in telecommunication transmission links, advanced transport architectures and others.

Annotation 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 This resource provides comprehensive, up-to-date coverage of the principles, technologies, standards and applications of Dense Wavelength Division Multiplexing (DWDM). The work is extensively illustrated and focuses on practical system applications The long-awaited deployment of dense wavelength division multiplexing (DWDM) in long-haul networks is fast becoming a reality.