Acknowledgments |
|
xi | |
1 Introduction to WDM |
|
1 | (6) |
|
|
1 | (1) |
|
|
2 | (2) |
|
|
4 | (3) |
2 Optical Fiber Effects |
|
7 | (48) |
|
|
7 | (18) |
|
|
8 | (3) |
|
|
8 | (1) |
|
2.1.1.2 Fiber Bending Loss, |
|
|
9 | (2) |
|
2.1.1.3 Polarization-Dependent Loss, |
|
|
11 | (1) |
|
2.1.2 Chromatic Dispersion, |
|
|
11 | (5) |
|
2.1.3 Polarization-Mode Dispersion, |
|
|
16 | (9) |
|
|
16 | (7) |
|
2.1.3.2 PMD in Recirculating Loops, |
|
|
23 | (1) |
|
2.1.3.3 Real-World Fiber Plant PMD Audits, |
|
|
23 | (2) |
|
2.2 Nonlinear Fiber Effects, |
|
|
25 | (26) |
|
|
25 | (21) |
|
2.2.1.1 Self-Phase Modulation, |
|
|
29 | (5) |
|
2.2.1.2 Cross-Phase Modulation, |
|
|
34 | (2) |
|
2.2.1.3 Cross-Polarization Modulation, |
|
|
36 | (1) |
|
2.2.1.4 Four-Wave Mixing, |
|
|
37 | (6) |
|
2.2.1.5 Modulation Instability, |
|
|
43 | (1) |
|
2.2.1.6 Nonlinear Phase Noise, |
|
|
43 | (3) |
|
2.2.2 Scattering Effects, |
|
|
46 | (9) |
|
2.2.2.1 Stimulated Raman Scattering, |
|
|
46 | (3) |
|
2.2.2.2 Brillouin Scattering, |
|
|
49 | (2) |
|
|
51 | (4) |
3 Components and Subsystems |
|
55 | (122) |
|
|
55 | (29) |
|
|
55 | (15) |
|
3.1.1.1 Principle of Diode Lasers, |
|
|
55 | (7) |
|
3.1.1.2 Fabry-Perot Laser Diodes, |
|
|
62 | (1) |
|
3.1.1.3 Distributed Feedback and Distributed Bragg Reflector Laser Diodes, |
|
|
63 | (1) |
|
3.1.1.4 Vertical-Cavity Surface-Emitting Lasers, |
|
|
64 | (1) |
|
3.1.1.5 Tunable Laser Diodes, |
|
|
64 | (6) |
|
3.1.2 External Modulators, |
|
|
70 | (10) |
|
3.1.2.1 Electroabsorption Modulators, |
|
|
71 | (3) |
|
3.1.2.2 Electro-Optic Modulators, |
|
|
74 | (3) |
|
3.1.2.3 Reflective Semiconductor Optical Amplifiers, |
|
|
77 | (3) |
|
3.1.3 Direct-Modulation Techniques, |
|
|
80 | (4) |
|
3.1.3.1 Directly Modulated Laser, |
|
|
80 | (1) |
|
3.1.3.2 Dispersion-Supported Transmission, |
|
|
81 | (1) |
|
3.1.3.3 Chirp-Managed Laser, |
|
|
82 | (2) |
|
|
84 | (51) |
|
3.2.1 Single-Mode Fiber Types, |
|
|
84 | (3) |
|
3.2.2 Novel and Specialty Fibers, |
|
|
87 | (4) |
|
|
87 | (1) |
|
3.2.2.2 Multicore Fibers, |
|
|
88 | (1) |
|
3.2.2.3 Polymer Optical Fibers, |
|
|
89 | (1) |
|
3.2.2.4 PCF and PBG Fibers, |
|
|
89 | (2) |
|
3.2.3 Fiber-Optic Cables, |
|
|
91 | (2) |
|
3.2.4 Optical Amplifiers, |
|
|
93 | (11) |
|
3.2.4.1 EDFAs and Other Rare-Earth-Doped Fiber Amplifiers, |
|
|
94 | (6) |
|
3.2.4.2 Raman Amplifiers, |
|
|
100 | (1) |
|
3.2.4.3 Semiconductor Optical Amplifiers, |
|
|
101 | (3) |
|
3.2.5 Dispersion Compensation, |
|
|
104 | (7) |
|
3.2.5.1 Dispersion-Compensating Fibers, |
|
|
105 | (2) |
|
3.2.5.2 Chirped Fiber Gratings, |
|
|
107 | (2) |
|
3.2.5.3 Self-Phase Modulation (Soliton Effect), |
|
|
109 | (1) |
|
|
110 | (1) |
|
3.2.6 Passive WDM Filters and Couplers, |
|
|
111 | (18) |
|
|
112 | (2) |
|
3.2.6.2 Thin-Film Filters, |
|
|
114 | (1) |
|
3.2.6.3 Arrayed Waveguide Gratings, |
|
|
115 | (3) |
|
3.2.6.4 Fiber Bragg Gratings, |
|
|
118 | (1) |
|
3.2.6.5 Interleavers (Mach-Zehnder Interferometer), |
|
|
119 | (1) |
|
|
120 | (5) |
|
3.2.6.7 Wavelength Switching Devices, |
|
|
125 | (4) |
|
|
129 | (6) |
|
3.2.7.1 ROADM Structures, |
|
|
129 | (1) |
|
|
130 | (3) |
|
3.2.7.3 Optical Cross-Connects, |
|
|
133 | (2) |
|
|
135 | (11) |
|
|
135 | (4) |
|
|
135 | (2) |
|
3.3.1.2 Avalanche Photodiodes, |
|
|
137 | (2) |
|
3.3.2 Electronic Amplifiers, |
|
|
139 | (4) |
|
|
139 | (3) |
|
3.3.2.2 Limiting Amplifier, |
|
|
142 | (1) |
|
3.3.3 Pluggable Transceivers for WDM, |
|
|
143 | (3) |
|
|
146 | (16) |
|
|
146 | (4) |
|
|
147 | (1) |
|
|
148 | (2) |
|
3.4.2 Forward Error Correction, |
|
|
150 | (8) |
|
|
151 | (2) |
|
|
153 | (2) |
|
3.4.2.3 Code Concatenation and Iterative Decoding, |
|
|
155 | (3) |
|
3.4.3 Electronic Distortion Compensation, |
|
|
158 | (4) |
|
|
162 | (15) |
4 Nonfiber-Related Effects |
|
177 | (20) |
|
|
177 | (4) |
|
4.2 Noise in Optical Transmission Systems, |
|
|
181 | (12) |
|
4.2.1 Noise in Optical Receivers, |
|
|
182 | (4) |
|
4.2.2 Receiver Sensitivities, |
|
|
186 | (1) |
|
4.2.3 Noise Figures and OSNR in Optical Amplifier Chains, |
|
|
187 | (6) |
|
|
193 | (4) |
5 Modulation Formats For WDM |
|
197 | (56) |
|
|
197 | (5) |
|
|
202 | (4) |
|
|
206 | (25) |
|
5.3.1 Amplitude Modulation, |
|
|
207 | (8) |
|
5.3.1.1 On-Off Keying (00K), |
|
|
207 | (2) |
|
5.3.1.2 Detailed Derivation of OSNR Tolerance of Directly Detected 00K, |
|
|
209 | (4) |
|
5.3.1.3 Multilevel Amplitude Modulation, |
|
|
213 | (2) |
|
|
215 | (5) |
|
5.3.2.1 Phase-Shift Keying, |
|
|
215 | (1) |
|
5.3.2.2 DPSK with Direct Detection, |
|
|
216 | (2) |
|
|
218 | (2) |
|
5.3.3 QAM-Combined Amplitude and Phase Modulation, |
|
|
220 | (1) |
|
5.3.4 Optical Noise Tolerance of Multilevel Modulation Formats, |
|
|
221 | (3) |
|
5.3.5 Partial Response Signaling, |
|
|
224 | (5) |
|
5.3.5.1 Optical Duobinary, |
|
|
224 | (4) |
|
5.3.5.2 Higher Order and Quadrature Partial Response, |
|
|
228 | (1) |
|
5.3.6 Frequency-Shift Keying, |
|
|
229 | (1) |
|
5.3.7 Polarization Modulation and Interleaving, |
|
|
230 | (1) |
|
5.4 Coherent Intradyne Dual-Polarization QAM Detection, |
|
|
231 | (9) |
|
|
240 | (3) |
|
5.6 Comparison of Modulation Formats, |
|
|
243 | (4) |
|
|
247 | (6) |
6 System Realization |
|
253 | (74) |
|
|
253 | (24) |
|
6.1.1 CWDM Access and Backhaul, |
|
|
254 | (2) |
|
|
256 | (1) |
|
6.1.3 PONs and Optical Access Networks, |
|
|
257 | (2) |
|
|
259 | (14) |
|
6.1.4.1 WDM-PON with Tunable Lasers and Laser Arrays, |
|
|
261 | (5) |
|
6.1.4.2 WDM-PON with Seeded Reflective Transmitters, |
|
|
266 | (5) |
|
6.1.4.3 Coherent UDWDM-PON, |
|
|
271 | (2) |
|
6.1.5 WDM-Based PON Reach Analysis, |
|
|
273 | (3) |
|
6.1.6 WDM-PON Deployment Reference: KT, |
|
|
276 | (1) |
|
6.2 Corporate Networks (Storage Reach Extensions), |
|
|
277 | (10) |
|
|
279 | (2) |
|
6.2.2 Mainframe Coupling/Server Consolidation, |
|
|
281 | (5) |
|
6.2.3 Low-Latency WDM Transport, |
|
|
286 | (1) |
|
6.3 WDM Transport Encryption, |
|
|
287 | (1) |
|
6.4 Metro and Regional Networks, |
|
|
288 | (6) |
|
6.4.1 DWDM Metro/Regional Ring Networks, |
|
|
288 | (3) |
|
6.4.2 Capacity in WDM Ring Networks, |
|
|
291 | (1) |
|
6.4.3 Wavelength Blocking in WDM Rings, |
|
|
292 | (2) |
|
6.5 Long-Haul and Ultralong-Haul Systems, |
|
|
294 | (19) |
|
6.5.1 Optical Design Challenge, |
|
|
294 | (1) |
|
6.5.2 Engineering Models, |
|
|
295 | (5) |
|
6.5.2.1 Optical Signal-to-Noise Ratio Degradation, |
|
|
296 | (1) |
|
6.5.2.2 Spectral Ripple and Tilt, |
|
|
296 | (1) |
|
6.5.2.3 Self-Phase Modulation and Group Velocity Dispersion, |
|
|
297 | (1) |
|
6.5.2.4 Cross-Phase Modulation, |
|
|
298 | (1) |
|
6.5.2.5 Four-Wave Mixing, |
|
|
299 | (1) |
|
6.5.2.6 Stimulated Raman Scattering, |
|
|
299 | (1) |
|
6.5.3 Link-Based Design Approach, |
|
|
300 | (2) |
|
6.5.3.1 Optical Power Management, |
|
|
300 | (1) |
|
6.5.3.2 Chromatic Dispersion Management, |
|
|
301 | (1) |
|
6.5.4 Optical-Layer Design Workflow, |
|
|
302 | (1) |
|
6.5.5 Mixed 10 Gb/s/100 Gb/s Design, |
|
|
303 | (3) |
|
6.5.6 Regional Differences, |
|
|
306 | (1) |
|
6.5.7 Terrestrial Long-Haul Deployment Example: PIONIER, |
|
|
307 | (2) |
|
|
309 | (3) |
|
6.5.9 Ultralong-Haul Deployment Example: TAT-14, |
|
|
312 | (1) |
|
6.6 Future Network Configurations and Convergence, |
|
|
313 | (8) |
|
6.6.1 Delayering of Metro Networks, |
|
|
314 | (1) |
|
6.6.2 Energy Efficiency of WDM, |
|
|
315 | (6) |
|
|
321 | (6) |
7 WDM Network Management |
|
327 | (22) |
|
|
327 | (2) |
|
7.2 Management Approaches, |
|
|
329 | (2) |
|
7.3 Basic EMS, NMS, and OSS Functionality, |
|
|
331 | (3) |
|
7.4 Data Communications Network, |
|
|
334 | (3) |
|
7.5 Management System Interfaces, |
|
|
337 | (2) |
|
|
339 | (9) |
|
7.6.1 Control Plane Interfaces, |
|
|
340 | (1) |
|
7.6.2 Migration Scenarios, |
|
|
341 | (1) |
|
|
342 | (2) |
|
7.6.4 Control Plane Mechanisms, |
|
|
344 | (5) |
|
7.6.4.1 Automated Network Discovery, |
|
|
344 | (1) |
|
7.6.4.2 Path Computation, |
|
|
345 | (1) |
|
7.6.4.3 Connection Control, |
|
|
345 | (2) |
|
7.6.4.4 Resource Management, |
|
|
347 | (1) |
|
7.6.4.5 Entity Management, |
|
|
347 | (1) |
|
|
347 | (1) |
|
|
348 | (1) |
8 Selected Network Issues |
|
349 | (46) |
|
8.1 Overview of the Optical Transport Network, |
|
|
349 | (7) |
|
|
349 | (2) |
|
8.1.2 OTN Mapping and Multiplexing, |
|
|
351 | (3) |
|
8.1.3 OTN Operations, Administration, and Monitoring Aspects, |
|
|
354 | (2) |
|
8.2 Monitoring in WDM Systems, |
|
|
356 | (19) |
|
8.2.1 Impairments in Transparent Optical Networks, |
|
|
356 | (1) |
|
8.2.2 Measurements of the Quality of Optical Signals, |
|
|
356 | (2) |
|
8.2.3 Monitoring Techniques, |
|
|
358 | (13) |
|
8.2.3.1 Monitoring Requirements, |
|
|
358 | (1) |
|
|
359 | (3) |
|
|
362 | (2) |
|
|
364 | (5) |
|
8.2.3.5 Optical Transient Monitoring (OTM), |
|
|
369 | (2) |
|
8.2.4 Optical Performance Monitoring, |
|
|
371 | (2) |
|
|
371 | (1) |
|
8.2.4.2 Q-Factor Monitoring, |
|
|
372 | (1) |
|
|
373 | (2) |
|
8.3 Flexible WDM Networks, |
|
|
375 | (2) |
|
8.4 Protection and Restoration, |
|
|
377 | (12) |
|
8.4.1 Dedicated Versus Shared Protection Versus Restoration, |
|
|
377 | (1) |
|
|
377 | (9) |
|
8.4.3 WDM-PON Protection, |
|
|
386 | (1) |
|
|
387 | (2) |
|
|
389 | (6) |
9 Standards Relevant for WDM |
|
395 | (6) |
|
9.1 ITU-T Recommendations, |
|
|
395 | (1) |
|
|
396 | (5) |
|
|
396 | (1) |
|
|
397 | (1) |
|
|
397 | (1) |
|
|
398 | (1) |
|
|
399 | (1) |
|
9.2.6 Others (INCITS T.11 and IBTA), |
|
|
399 | (2) |
10 Practical Approximations and Tips |
|
401 | (4) |
|
10.1 Conversion Between Bit Error Rate and Equivalent Q-Factor |
|
|
401 | (1) |
|
10.2 Properties of a PRBS Signal, |
|
|
402 | (1) |
|
10.3 Chromatic Dispersion Values and Propagation Constants, |
|
|
403 | (1) |
|
|
404 | (1) |
Index |
|
405 | |