1 ELECTROMAGNETIC WAVES |
1 |
1.1 Introduction |
1 |
1.2 Energy In A Magnetic Field |
2 |
1.3 Gauge Transformation |
5 |
1.4 Poynting’s Theorem, Conservation Of Energy |
8 |
1.5 Electromagnetic Waves |
9 |
1.6 Linear And Circular Polarization |
11 |
1.7 Reflection And Refraction Of EM Plane Waves At Interfaces |
13 |
1.8 Frequency Dispersion Characteristics Of Dielectrics, Conductors And Plasmas |
16 |
1.9 Waveguides And Resonant Cavities |
17 |
1.10 Cylindrical Cavities And Waveguides |
20 |
1.11 Waveguides |
22 |
1.12 Resonant Cavities |
23 |
1.13 Review Of Concepts |
25 |
1.14 Maxwell’s Equations In A Medium |
26 |
1.15 Non-Linear, Dispersive, And Inhomogeneous Media |
27 |
1.16 Wave Optics And Electromagnetic Waves |
28 |
1.17 Wave Equation, Helmholtz Equation |
29 |
1.18 Interference Of Two Waves |
29 |
Problems |
31 |
2 OPTICAL RAY PROPAGATION |
33 |
2.1 Review Of Mirrors And Lenses |
33 |
2.2 Lenses |
34 |
2.3 Lens Waveguide |
36 |
2.4 Biperiodic Lens Sequence Equal Lens Waveguide |
37 |
2.5 Identical Lens Waveguide |
40 |
2.6 Rays In Lens Like Media |
40 |
2.7 Rays In A Planar Dielectric Core Cladding Interface |
41 |
2.8 Transverse Modes |
44 |
2.9 Wavelength Dispersion |
48 |
Problems |
51 |
3 GAUSSIAN BEAMS |
55 |
3.1 Wave Equation In A Quadratic Index Media |
55 |
3.2 Gaussian Beams In A Homogeneous Medium K2 = 0 |
57 |
3.3 Gaussian Beams In A Lens Like Medium K2 ≠ 0 |
60 |
3.4 Gaussian Beams Focusing |
62 |
3.5 A Gaussian Beams In A Lens Waveguide |
63 |
3.6 Higher-Order Gaussian Beams Modes |
65 |
3.7 Pulse Spreading |
66 |
Problems |
69 |
4 OPTICAL FIBERS AND OPTICAL RESONATORS |
73 |
4.1 Optical Beams In Fibers |
73 |
4.2 Transverse Modes |
77 |
4.3 Circular (Cylindrical) Fibers |
80 |
4.4 Optical Waveguide Theory |
82 |
4.5 Cutoff Condition |
85 |
4.6 Modal Dispersion |
86 |
4.7 Light Insertion |
89 |
4.8 Mathematical Treatment Of Optical Beams In Fibers |
91 |
4.9 Wave Equation |
91 |
4.10 Mode Characteristics |
94 |
4.11 Linearly Polarized Modes |
95 |
4.12 Graded Index Fibers |
96 |
4.13 Power Flow And Power Density In A Silica Fiber |
100 |
4.14 Light Insertion Calculations Into Fibers |
102 |
4.15 Losses – Scattering |
105 |
4.16 Mechanical Losses |
106 |
4.17 Optical Resonators |
107 |
4.18 Fabry-Perot Etalon (Interferometer) |
107 |
4.19 Fabry-Perot Etalons – Optical Spectrum Analyzers |
110 |
4.20 Fabry-Perot Laser |
111 |
4.21 Resonance Frequencies |
112 |
4.22 Longitudinal Modes |
113 |
4.23 Losses In Optical Resonators |
114 |
4.24 Unstable Optical Resonators |
116 |
5 OPTICAL PROCESSES IN MATERIALS |
127 |
5.1 Introduction |
127 |
5.2 Transitions Due To Electron-Photon Interactions |
128 |
5.3 Optical Cavities And Resonance Analogy |
129 |
5.4 Energy Considerations |
132 |
5.5 Steady State |
133 |
5.6 Optical Resonance And Average Energy |
134 |
Problems |
137 |
6 LASERS AND LASER SYSTEMS |
143 |
6.1 Lasers |
143 |
6.2 Three Level System Transition Rates |
155 |
6.3 Laser Fundamentals Review |
157 |
6.4 Laser Oscillations |
163 |
6.5 Multi-Mode Laser Oscillations |
171 |
6.6 Specific Laser Systems |
175 |
Problems |
179 |
7 NON-LINEAR OPTICS AND NON-LINEAR OPTICAL MATERIALS |
183 |
7.1 Introduction |
183 |
7.2 Non-Linear Organic Materials |
187 |
7.3 Non-Linear Polymers |
187 |
7.4 Modulators |
191 |
7.5 Fabry-Perot Modulators |
192 |
7.6 Non-Linear Polymers |
193 |
7.7 Parametric Amplification |
194 |
7.8 Parametric Oscillations |
195 |
7.9 Frequency Up Conversion |
196 |
Problems |
199 |
8 PHYSICAL PROCESSES FOR OPTICAL DETECTION |
203 |
8.1 Detection Of Optical Signals |
203 |
8.2 Photomultiplier Detector |
204 |
8.3 Noise Mechanisms In Photomultipliers |
204 |
8.4 Minimum Detectable Power In Photomultipliers |
204 |
8.5 Heterodyne Detection With Photomultipliers |
205 |
8.6 Photoconductive Detectors |
206 |
8.7 Time Response |
206 |
8.8 Generation Recombination Noise In Photoconductive Detectors |
207 |
8.9 Heterodyne Detection |
208 |
8.11 PN Junctions As Photodetectors |
212 |
8.12 Photodiodes As Light Detectors |
213 |
8.13 PIN Structures As Photodetectors |
215 |
8.14 Avalanche Photodiodes |
218 |
8.15 Real Detector Characteristics |
220 |
Problems |
225 |
9 CHARACTERISTICS OF PHOTODETECTORS |
231 |
9.1 Introduction |
231 |
9.2 Response Time And Frequency Response |
232 |
9.3 Spectral Response |
232 |
9.4 Detector Noise Sources |
233 |
9.5 Graded Bandgap Detectors |
236 |
9.6 Optical Fiber Link |
237 |
Problems |
241 |
10 MODULATION OF LASER BEAMS |
243 |
10.1 Introduction |
243 |
10.2 Electro-Optic Amplitude Modulation |
244 |
10.3 Phase Modulation Of Light |
245 |
10.4 High Frequency Effects |
246 |
10.7 Transverse Mode Of Modulation |
249 |
10.8 Modulation Of Light By Means Of The Quadratic Electro-Optic Effect |
250 |
10.9 Internal Modulation |
252 |
Problems |
255 |
11 SEMICONDUCTOR LASERS AND LIGHT EMITTING DIODES |
259 |
11.1 Introduction |
259 |
11.2 Light Emitting Diodes (LED) |
259 |
11.3 Infrared Leds |
262 |
11.4 Physics Of Leds |
265 |
11.5 Homojunctions And Heterojunctions |
266 |
11.6 Calculation Of Threshold Current Density |
268 |
11.7 Quantum Well Lasers (QW, MQW) |
271 |
11.8 Laser Physics |
274 |
11.9 Threshold Current Density In Double Heterostructure Lasers |
278 |
11.10 Power Output |
282 |
11.12 Start Oscillation Condition For Semiconductor Lasers |
285 |
Problems |
291 |
12 DOUBLE HETEROJUNCTION AND VERTICAL CHANNEL SURFACE LASER |
295 |
12.1 Double Heterojunction Laser (DH) |
295 |
12.2 Confinement Factor Γ |
297 |
12.3 Far Field Pattern |
298 |
12.4 Distributed Feedback Laser Theory Of Coupled Modes |
301 |
12.6 Oscillation Condition |
306 |
12.7 Directional Coupling |
307 |
12.8 Interaction Of Light And Sound |
309 |
Problems |
317 |
13 VERTICAL CHANNEL EMITTING LASER |
321 |
13.1 Introduction |
321 |
13.2 VCSEL Device Configuration |
322 |
13.3 VCSEL Gain And Threshold Current |
329 |
13.4 VCSEL Performance And Explanations |
331 |
14 FAILURE MECHANISMS OF OPTOELECTRONIC INTERCONNECTS |
339 |
14.1 Introduction |
339 |
14.2 Analysis Of Bond Related Failures In Optoelectronics |
342 |
14.3 Failure Mechanism Related To Contamination In Optical Devices |
343 |
14.4 The Failure Modes |
350 |
14.5 Electromigration In Opto-Circuit Metallizations |
352 |
INDEX |
369 |