Govind P. Agrawal

Fiber-Optic Communication Systems (eBook, PDF)

• Format: PDF

Produktbeschreibung

Discover the latest developments in fiber-optic communications with the newest edition of this leading textbook In the newly revised fifth edition of Fiber-Optic Communication Systems, accomplished researcher and author, Dr. Govind P. Agrawal, delivers brand-new updates and developments in the science of fiber optics communications. The book contains substantial additions covering the topics of coherence detection, space division multiplexing, and more advanced subjects. You'll learn about topics like fiber's losses, dispersion, and nonlinearities, as well as coherent lightwave systems. The latter subject has undergone major changes due to the extensive development of digital coherent systems over the last decade. Space-division multiplexing is covered as well, including multimode and multicore fibers developed in just the last ten years. Finally, the book concludes with a chapter on brand-new developments in the field that are still at the development stage and likely to become highly relevant for practitioners and researchers in the coming years. Readers will also benefit from the inclusion of: * A thorough introduction to the fundamentals of fiber-optic communication systems * An exploration of the management of fiber-optic communication losses, dispersion, and nonlinearities * A practical discussion of coherent lightwave systems, including coherent transmitters and receivers, as well as noise and bit-error rate, sensitivity degradation mechanisms, and the impact of nonlinear effects * A concise treatment of space-division multiplexing, including multicore and multimode fibers, multicore lightwave systems, and multimode lightwave systems * Analyses of advanced topics, including pulse shaping for higher spectral efficiency, Kramers-Kronig receivers, nonlinear Fourier transform, wavelength conversion, and optical regeneration Perfect for graduate students, professors, scientists, and professional engineers working or studying in the area of telecommunications technology, Fiber-Optic Communication Systems is an essential update to the leading reference in the area of fiber-optic communications.

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Produktdetails

• Verlag: John Wiley & Sons
• Seitenzahl: 544
• Erscheinungstermin: 26. Mai 2021
• Englisch
• ISBN-13: 9781119737377
• Artikelnr.: 62154781

Autorenporträt

Govind P. Agrawal, PhD, is James C. Wyant Professor at the Institute of Optics at the University of Rochester. He is a Fellow of the Optical Society of America and the IEEE. He is also a Senior Scientist at the Laboratory for Laser Energetics and has authored or co-authored over 400 research papers, book chapters, and monographs.

Inhaltsangabe

Preface xvi

1 Introduction 1

1.1 Historical Perspective 1

1.1.1 Need for Fiber-Optic Communications 2

1.1.2 Evolution of Lightwave Systems 4

1.2 Basic Concepts 8

1.2.1 Analog and Digital Signals 8

1.2.2 Channel Multiplexing 11

1.2.3 Modulation Formats 13

1.3 Optical Communication Systems 16

1.4 Lightwave System Components 18

1.4.1 Optical Fibers as a Communication Channel 18

1.4.2 Optical Transmitters 18

1.4.3 Optical Receivers 19

Problems 20

References 21

2 Optical Fibers 24

2.1 Geometrical-Optics Description 24

2.1.1 Step-Index Fibers 25

2.1.2 Graded-Index Fibers 27

2.2 Wave Propagation 29

2.2.1 Maxwell's Equations 29

2.2.2 Fiber Modes 31

2.2.3 Single-Mode Fibers 34

2.3 Dispersion in Single-Mode Fibers 37

2.3.1 Group-Velocity Dispersion 38

2.3.2 Material Dispersion 39

2.3.3 Waveguide Dispersion 40

2.3.4 Higher-Order Dispersion 41

2.3.5 Polarization-Mode Dispersion 43

2.4 Dispersion-Induced Limitations 44

2.4.1 Basic Propagation Equation 45

2.4.2 Chirped Gaussian Pulses 46

2.4.3 Limitations on the Bit Rate 49

2.5 Fiber Losses 52

2.5.1 Attenuation Coefficient 52

2.5.2 Material Absorption 53

2.5.3 Rayleigh Scattering 54

2.5.4 Waveguide Imperfections 55

2.6 Nonlinear Optical Effects 56

2.6.1 Stimulated Light Scattering 56

2.6.2 Nonlinear Phase Modulation 60

2.6.3 Four-Wave Mixing 63

2.7 Fiber Design and Fabrication 64

2.7.1 Silica Fibers 64

2.7.2 Plastic Optical Fibers 67

2.7.3 Cables and Connectors 69

Problems 70

References 72

3 Optical Transmitters 75

3.1 Semiconductor Laser Physics 75

3.1.1 Spontaneous and Stimulated Emissions 76

3.1.2 Nonradiative Recombination 77

3.1.3 Optical Gain 78

3.1.4 Feedback and Laser Threshold 80

3.1.5 Laser Structures and Modes 81

3.2 Single-Mode Semiconductor Lasers 83

3.2.1 Distributed Feedback Lasers 83

3.2.2 Coupled-Cavity Semiconductor Lasers 85

3.2.3 Tunable Semiconductor Lasers 86

3.2.4 Vertical-Cavity Surface-Emitting Lasers 88

3.3 Semiconductor Laser Characteristics 89

3.3.1 CW Characteristics 89

3.3.2 Modulation Bandwidth 92

3.3.3 Relative Intensity Noise 94

3.3.4 Spectral Linewidth 97

3.4 Modulation Techniques 98

3.4.1 Direct Modulation 99

3.4.2 External Modulation 100

3.5 Light-Emitting Diodes 103

3.5.1 LED Characteristics 104

3.5.2 LED Structures 106

3.6 Transmitter Design 108

3.6.1 Source-Fiber Coupling 108

3.6.2 Driving Circuitry 110

3.6.3 Reliability and Packaging 111

Problems 113

References 115

4 Optical Receivers 119

4.1 Basic Concepts 119

4.1.1 Responsivity and Quantum Efficiency 119

4.1.2 Rise Time and Bandwidth 121

4.2 Common Photodetectors 122

4.2.1 p-n Photodiodes 122

4.2.2 p-i-n Photodiodes 124

4.2.3 Avalanche Photodiodes 127

4.2.4 MSM Photodetectors 133

4.3 Receiver Design 135

4.3.1 The Front End 135

4.3.2 The Linear Channel 137

4.3.3 Data-Recovery Section 138

4.3.4 Integrated Receivers 139

4.4 Recei