Preface |
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xv | |
1 Introduction |
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1 | (23) |
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1.1 Historical Perspective |
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1 | (7) |
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1.1.1 Need for Fiber-Optic Communications |
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2 | (2) |
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1.1.2 Evolution of Lightwave Systems |
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4 | (4) |
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8 | (8) |
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1.2.1 Analog and Digital Signals |
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8 | (3) |
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1.2.2 Channel Multiplexing |
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11 | (2) |
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13 | (3) |
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1.3 Optical Communication Systems |
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16 | (1) |
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1.4 Lightwave System Components |
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17 | (3) |
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1.4.1 Optical Fibers as a Communication Channel |
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18 | (1) |
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1.4.2 Optical Transmitters |
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18 | (1) |
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19 | (1) |
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20 | (1) |
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21 | (3) |
2 Optical Fibers |
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24 | (55) |
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2.1 Geometrical-Optics Description |
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24 | (5) |
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25 | (2) |
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2.1.2 Graded-Index Fibers |
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27 | (2) |
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29 | (9) |
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2.2.1 Maxwell's Equations |
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29 | (2) |
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31 | (3) |
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34 | (4) |
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2.3 Dispersion in Single-Mode Fibers |
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38 | (8) |
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2.3.1 Group-Velocity Dispersion |
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39 | (1) |
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2.3.2 Material Dispersion |
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40 | (1) |
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2.3.3 Waveguide Dispersion |
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41 | (2) |
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2.3.4 Higher-Order Dispersion |
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43 | (1) |
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2.3.5 Polarization-Mode Dispersion |
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44 | (2) |
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2.4 Dispersion-Induced Limitations |
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46 | (9) |
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2.4.1 Basic Propagation Equation |
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46 | (1) |
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2.4.2 Chirped Gaussian Pulses |
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47 | (3) |
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2.4.3 Limitations on the Bit Rate |
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50 | (4) |
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54 | (1) |
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55 | (4) |
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2.5.1 Attenuation Coefficient |
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55 | (2) |
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2.5.2 Material Absorption |
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57 | (1) |
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2.5.3 Rayleigh Scattering |
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58 | (1) |
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2.5.4 Waveguide Imperfections |
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58 | (1) |
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2.6 Nonlinear Optical Effects |
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59 | (8) |
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2.6.1 Stimulated Light Scattering |
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59 | (5) |
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2.6.2 Nonlinear Phase Modulation |
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64 | (3) |
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67 | (1) |
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2.7 Fiber Design and Fabrication |
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67 | (7) |
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68 | (3) |
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2.7.2 Plastic Optical Fibers |
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71 | (1) |
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2.7.3 Cables and Connectors |
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72 | (2) |
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74 | (1) |
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75 | (4) |
3 Optical Transmitters |
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79 | (49) |
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3.1 Semiconductor Laser Physics |
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79 | (8) |
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3.1.1 Spontaneous and Stimulated Emissions |
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80 | (1) |
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3.1.2 Nonradiative Recombination |
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81 | (1) |
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82 | (2) |
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3.1.4 Feedback and Laser Threshold |
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84 | (1) |
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85 | (1) |
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86 | (1) |
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3.2 Single-Mode Semiconductor Lasers |
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87 | (7) |
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3.2.1 Distributed Feedback Lasers |
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88 | (2) |
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3.2.2 Coupled-Cavity Semiconductor Lasers |
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90 | (1) |
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3.2.3 Tunable Semiconductor Lasers |
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91 | (2) |
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3.2.4 Vertical-Cavity Surface-Emitting Lasers |
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93 | (1) |
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3.3 Laser Characteristics |
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94 | (10) |
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95 | (3) |
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3.3.2 Modulation Bandwidth |
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98 | (2) |
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3.3.3 Relative Intensity Noise |
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100 | (2) |
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102 | (2) |
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3.4 Optical Signal Generation |
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104 | (6) |
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104 | (2) |
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3.4.2 External Modulation |
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106 | (4) |
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3.5 Light-Emitting Diodes |
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110 | (5) |
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110 | (2) |
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3.5.2 Modulation Response |
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112 | (1) |
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113 | (2) |
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115 | (6) |
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3.6.1 Source–Fiber Coupling |
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115 | (3) |
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118 | (1) |
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3.6.3 Reliability and Packaging |
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119 | (2) |
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121 | (1) |
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122 | (6) |
4 Optical Receivers |
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128 | (54) |
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128 | (3) |
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4.1.1 Responsivity and Quantum Efficiency |
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128 | (2) |
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4.1.2 Rise Time and Bandwidth |
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130 | (1) |
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4.2 Common Photodetectors |
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131 | (13) |
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132 | (1) |
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133 | (4) |
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4.2.3 Avalanche Photodiodes |
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137 | (6) |
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143 | (1) |
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144 | (7) |
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144 | (1) |
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145 | (2) |
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147 | (1) |
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4.3.4 Integrated Receivers |
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148 | (3) |
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151 | (7) |
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151 | (2) |
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153 | (1) |
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154 | (4) |
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158 | (3) |
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158 | (1) |
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159 | (1) |
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4.5.3 Heterodyne Detection |
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160 | (1) |
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4.5.4 Signal-to-Noise Ratio |
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160 | (1) |
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161 | (6) |
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162 | (2) |
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4.6.2 Minimum Received Power |
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164 | (2) |
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4.6.3 Quantum Limit of Photodetection |
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166 | (1) |
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4.7 Sensitivity Degradation |
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167 | (6) |
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167 | (2) |
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169 | (2) |
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171 | (2) |
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173 | (2) |
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175 | (2) |
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177 | (5) |
5 Lightwave Systems |
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182 | (41) |
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182 | (5) |
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5.1.1 Point-to-Point Links |
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182 | (2) |
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5.1.2 Distribution Networks |
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184 | (1) |
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5.1.3 Local-Area Networks |
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185 | (2) |
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187 | (7) |
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5.2.1 Loss-Limited Lightwave Systems |
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187 | (2) |
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5.2.2 Dispersion-Limited Lightwave Systems |
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189 | (1) |
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190 | (1) |
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191 | (3) |
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194 | (6) |
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5.3.1 Performance-Limiting Factors |
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194 | (2) |
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5.3.2 Terrestrial Lightwave Systems |
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196 | (2) |
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5.3.3 Undersea Lightwave Systems |
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198 | (2) |
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5.4 Sources of Power Penalty |
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200 | (12) |
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201 | (1) |
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5.4.2 Mode-Partition Noise |
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202 | (2) |
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5.4.3 Reflection Feedback and Noise |
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204 | (4) |
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5.4.4 Dispersive Pulse Broadening |
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208 | (1) |
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209 | (1) |
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5.4.6 Eye-Closure Penalty |
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210 | (2) |
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5.5 Forward Error Correction |
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212 | (2) |
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5.5.1 Error-Correcting Codes |
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212 | (1) |
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213 | (1) |
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5.6 Computer-Aided Design |
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214 | (2) |
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216 | (2) |
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218 | (5) |
6 Multichannel Systems |
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223 | (72) |
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6.1 WDM Lightwave Systems |
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223 | (9) |
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6.1.1 High-Capacity Point-to-Point Links |
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224 | (4) |
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6.1.2 Wide-Area and Metro-Area Networks |
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228 | (2) |
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6.1.3 Multiple-Access WDM Networks |
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230 | (2) |
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232 | (19) |
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6.2.1 Tunable Optical Filters |
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233 | (5) |
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6.2.2 Multiplexers and Demultiplexers |
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238 | (4) |
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6.2.3 Add–Drop Multiplexers and Filters |
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242 | (2) |
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244 | (2) |
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246 | (2) |
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6.2.6 WDM Transmitters and Receivers |
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248 | (3) |
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6.3 System Performance Issues |
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251 | (13) |
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6.3.1 Heterowavelength Linear Crosstalk |
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251 | (2) |
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6.3.2 Homowavelength Linear Crosstalk |
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253 | (2) |
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6.3.3 Nonlinear Raman Crosstalk |
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255 | (2) |
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6.3.4 Stimulated Brillouin Scattering |
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257 | (2) |
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6.3.5 Cross-Phase Modulation |
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259 | (2) |
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261 | (1) |
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6.3.7 Other Design Issues |
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262 | (2) |
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6.4 Time-Division Multiplexing |
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264 | (5) |
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6.4.1 Channel Multiplexing |
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264 | (2) |
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6.4.2 Channel Demultiplexing |
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266 | (2) |
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268 | (1) |
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6.5 Subcarrier Multiplexing |
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269 | (8) |
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6.5.1 Analog and Digital SCM Systems |
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270 | (3) |
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6.5.2 Multiwavelength SCM Systems |
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273 | (2) |
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6.5.3 Orthogonal Frequency-Division multiplexing |
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275 | (2) |
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6.6 Code-Division Multiplexing |
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277 | (6) |
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6.6.1 Time-Domain Encoding |
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278 | (2) |
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6.6.2 Frequency-Domain Encoding |
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280 | (1) |
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281 | (2) |
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283 | (2) |
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285 | (10) |
7 Loss Management |
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295 | (50) |
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7.1 Compensation of Fiber Losses |
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295 | (5) |
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7.1.1 Periodic Amplification Scheme |
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296 | (2) |
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7.1.2 Lumped Versus Distributed Amplification |
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298 | (1) |
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7.1.3 Bidirectional Pumping Scheme |
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299 | (1) |
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7.2 Erbium-Doped Fiber Amplifiers |
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300 | (10) |
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7.2.1 Pumping and Gain Spectrum |
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300 | (2) |
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302 | (3) |
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305 | (2) |
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7.2.4 Multichannel Amplification |
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307 | (3) |
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310 | (8) |
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7.3.1 Raman Gain and Bandwidth |
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310 | (2) |
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7.3.2 Raman-Induced Signal Gain |
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312 | (1) |
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7.3.3 Multiple-Pump Raman Amplification |
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313 | (3) |
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7.3.4 Noise Figure of Raman Amplifiers |
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316 | (2) |
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7.4 Optical Signal-To-Noise Ratio |
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318 | (3) |
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7.4.1 Lumped Amplification |
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318 | (1) |
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7.4.2 Distributed Amplification |
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319 | (2) |
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7.5 Electrical Signal-To-Noise Ratio |
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321 | (4) |
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7.5.1 ASE-Induced Current Fluctuations |
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321 | (1) |
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7.5.2 Impact of ASE on SNR |
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322 | (1) |
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7.5.3 Noise Buildup in an Amplifier Chain |
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323 | (2) |
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7.6 Receiver Sensitivity and Q Factor |
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325 | (3) |
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325 | (2) |
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7.6.2 Relation between Q Factor and Optical SNR |
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327 | (1) |
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7.7 Role of Dispersive and Nonlinear Effects |
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328 | (6) |
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7.7.1 Noise Growth through Modulation Instability |
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328 | (2) |
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7.7.2 Noise-Induced Signal Degradation |
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330 | (2) |
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7.7.3 Noise-Induced Energy Fluctuations |
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332 | (1) |
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7.7.4 Noise-Induced Timing Jitter |
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333 | (1) |
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7.8 Periodically Amplified Lightwave Systems |
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334 | (5) |
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335 | (2) |
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7.8.2 Optimum Launched Power |
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337 | (2) |
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339 | (1) |
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340 | (5) |
8 Dispersion Management |
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345 | (62) |
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8.1 Dispersion Problem and Its Solution |
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345 | (2) |
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8.2 Dispersion-Compensating Fibers |
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347 | (7) |
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8.2.1 Conditions for Dispersion Compensation |
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348 | (1) |
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349 | (1) |
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350 | (4) |
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354 | (9) |
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8.3.1 Constant-Period Gratings |
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354 | (2) |
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8.3.2 Chirped Fiber Gratings |
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356 | (4) |
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360 | (3) |
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8.4 Dispersion-Equalizing Filters |
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363 | (6) |
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8.4.1 Gires–Tournois Filters |
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363 | (3) |
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8.4.2 Mach–Zehnder Filters |
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366 | (1) |
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8.4.3 Other All-Pass Filters |
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367 | (2) |
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8.5 Optical Phase Conjugation |
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369 | (6) |
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8.5.1 Principle of Operation |
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369 | (1) |
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8.5.2 Compensation of Self-Phase Modulation |
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370 | (1) |
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8.5.3 Generation of Phase-Conjugated Signal |
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371 | (4) |
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8.6 Channels at High Bit Rates |
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375 | (10) |
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8.6.1 Tunable Dispersion Compensation |
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375 | (4) |
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8.6.2 Higher-Order Dispersion Management |
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379 | (3) |
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382 | (3) |
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8.7 Electronic Dispersion Compensation |
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385 | (12) |
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8.7.1 Basic Idea behind GVD Precompensation |
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385 | (1) |
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8.7.2 Precompensation at the Transmitter |
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386 | (6) |
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8.7.3 Dispersion Compensation at the Receiver |
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392 | (5) |
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397 | (2) |
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399 | (8) |
9 Control of Nonlinear Effects |
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407 | (52) |
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9.1 Impact of Fiber Nonlinearity |
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407 | (9) |
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9.1.1 System Design Issues |
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408 | (3) |
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9.1.2 Semianalytic Approach |
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411 | (3) |
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9.1.3 Soliton and Pseudo-linear Regimes |
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414 | (2) |
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9.2 Solitons in Optical Fibers |
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416 | (7) |
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9.2.1 Properties of Optical Solitons |
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416 | (3) |
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9.2.2 Loss-Managed Solitons |
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419 | (4) |
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9.3 Dispersion-Managed Solitons |
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423 | (11) |
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9.3.1 Dispersion-Decreasing Fibers |
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423 | (1) |
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9.3.2 Periodic Dispersion Maps |
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424 | (3) |
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427 | (3) |
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430 | (2) |
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9.3.5 Control of Timing Jitter |
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432 | (2) |
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9.4 Pseudo-linear Lightwave Systems |
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434 | (10) |
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9.4.1 Origin of Intrachannel Nonlinear Effects |
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435 | (2) |
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9.4.2 Intrachannel Cross-Phase Modulation |
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437 | (4) |
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9.4.3 Intrachannel Four-Wave Mixing |
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441 | (3) |
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9.5 Control of Intrachannel Nonlinear Effects |
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444 | (7) |
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9.5.1 Optimization of Dispersion Maps |
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444 | (4) |
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9.5.2 Phase-Alternation Techniques |
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448 | (1) |
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9.5.3 Polarization Bit Interleaving |
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449 | (2) |
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451 | (2) |
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453 | (6) |
10 Advanced Lightwave Systems |
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459 | (52) |
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10.1 Advanced Modulation Formats |
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460 | (4) |
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10.1.1 Encoding of Optical Signals |
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460 | (2) |
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10.1.2 Amplitude and Phase Modulators |
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462 | (2) |
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10.2 Demodulation Schemes |
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464 | (6) |
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10.2.1 Synchronous Heterodyne Demodulation |
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464 | (2) |
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10.2.2 Asynchronous Heterodyne Demodulation |
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466 | (1) |
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10.2.3 Optical Delay Demodulation |
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467 | (3) |
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10.3 Shot Noise and Bit-Error Rate |
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470 | (6) |
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10.3.1 Synchronous Heterodyne Receivers |
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470 | (2) |
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10.3.2 Asynchronous Heterodyne Receivers |
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472 | (3) |
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10.3.3 Receivers with Delay Demodulation |
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475 | (1) |
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10.4 Sensitivity Degradation Mechanisms |
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476 | (9) |
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10.4.1 Intensity Noise of Lasers |
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476 | (2) |
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10.4.2 Phase Noise of Lasers |
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478 | (2) |
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10.4.3 Signal Polarization Fluctuations |
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480 | (3) |
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10.4.4 Noise Added by Optical Amplifiers |
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483 | (1) |
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484 | (1) |
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10.5 Impact of Nonlinear Effects |
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485 | (9) |
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10.5.1 Nonlinear Phase Noise |
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486 | (3) |
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10.5.2 Effect of Fiber Dispersion |
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489 | (1) |
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10.5.3 Compensation of Nonlinear Phase Noise |
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490 | (4) |
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494 | (7) |
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10.6.1 Systems with the DBPSK format |
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494 | (2) |
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10.6.2 Systems with the DQPSK format |
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496 | (1) |
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10.6.3 QAM and Related formats |
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497 | (2) |
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10.6.4 Systems Employing Orthogonal FDM |
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499 | (2) |
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10.7 Ultimate Channel Capacity |
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501 | (2) |
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503 | (1) |
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504 | (7) |
11 Optical Signal Processing |
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511 | (67) |
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11.1 Nonlinear Techniques and Devices |
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511 | (18) |
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11.1.1 Nonlinear Optical Loop Mirrors |
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512 | (4) |
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11.1.2 Parametric Amplifiers |
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516 | (6) |
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11.1.3 Nonlinear Effects in Semiconductor Optical Amplifiers |
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522 | (4) |
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11.1.4 Bistable Optical Devices |
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526 | (3) |
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11.2 All-Optical Flip–Flops |
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529 | (4) |
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11.2.1 Semiconductor Lasers and SOAs |
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529 | (2) |
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11.2.2 Coupled Semiconductor Lasers and SOAs |
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531 | (2) |
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11.3 Wavelength Converters |
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533 | (11) |
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11.3.1 XPM-Based Wavelength Converters |
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533 | (4) |
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11.3.2 FWM-Based Wavelength Converters |
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537 | (3) |
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11.3.3 Passive Semiconductor Waveguides |
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540 | (2) |
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11.3.4 SOA-Based Wavelength Converters |
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542 | (2) |
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11.4 Ultrafast Optical Switching |
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544 | (9) |
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11.4.1 Time-Domain Demultiplexing |
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545 | (4) |
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11.4.2 Data-Format Conversion |
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549 | (3) |
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552 | (1) |
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11.5 Optical Regenerators |
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553 | (15) |
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11.5.1 Fiber-Based 2R Regenerators |
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553 | (6) |
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11.5.2 SOA-Based 2R Regenerators |
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559 | (1) |
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11.5.3 Fiber-Based 3R Regenerators |
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560 | (2) |
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11.5.4 SOA-Based 3R Regenerators |
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562 | (3) |
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11.5.5 Regeneration of Phase-Encoded Signals |
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565 | (3) |
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568 | (1) |
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569 | (9) |
A System of Units |
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578 | (2) |
B Acronyms |
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580 | (4) |
C General Formula for Pulse Broadening |
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584 | (3) |
D Software Package |
|
587 | (2) |
Index |
|
589 | |