Fiber Optic Communications

  1. Optical Sources and Transmitters
    1. Light-Emitting Diodes
      1. LED Operating Principles
        1. Spontaneous Emission Process
          1. P-N Junction Physics
            1. Carrier Recombination
            2. LED Structure Types
              1. Surface-Emitting LEDs
                1. Edge-Emitting LEDs
                  1. Superluminescent LEDs
                  2. LED Characteristics
                    1. Output Power Levels
                      1. Spectral Width
                        1. Modulation Bandwidth
                          1. Temperature Dependence
                            1. Lifetime Considerations
                            2. LED Applications
                              1. Short-Distance Communications
                                1. Multi-Mode Fiber Systems
                                  1. Cost-Sensitive Applications
                                2. Laser Diodes
                                  1. Laser Operating Principles
                                    1. Stimulated Emission Process
                                      1. Population Inversion
                                        1. Optical Feedback
                                          1. Threshold Conditions
                                          2. Fabry-Pérot Laser Diodes
                                            1. Cavity Structure
                                              1. Longitudinal Modes
                                                1. Spectral Characteristics
                                                  1. Temperature Sensitivity
                                                  2. Distributed Feedback Lasers
                                                    1. Grating Structure
                                                      1. Single Longitudinal Mode
                                                        1. Wavelength Stability
                                                          1. Temperature Control
                                                          2. Vertical-Cavity Surface-Emitting Lasers
                                                            1. Vertical Cavity Structure
                                                              1. Surface Emission
                                                                1. Array Configurations
                                                                  1. Modulation Characteristics
                                                                  2. External Cavity Lasers
                                                                    1. Tunable Wavelength Operation
                                                                      1. Narrow Linewidth
                                                                        1. High Coherence
                                                                        2. Laser Characteristics
                                                                          1. Threshold Current
                                                                            1. Slope Efficiency
                                                                              1. Output Power
                                                                                1. Spectral Linewidth
                                                                                  1. Frequency Chirp
                                                                                    1. Relative Intensity Noise
                                                                                      1. Modulation Response
                                                                                    2. Optical Transmitter Design
                                                                                      1. Laser Driver Circuits
                                                                                        1. Current Source Design
                                                                                          1. Bias Current Control
                                                                                            1. Modulation Current Control
                                                                                              1. High-Speed Considerations
                                                                                              2. Temperature Control Systems
                                                                                                1. Thermoelectric Coolers
                                                                                                  1. Temperature Sensors
                                                                                                    1. Control Loop Design
                                                                                                      1. Thermal Management
                                                                                                      2. Optical Modulation Techniques
                                                                                                        1. Direct Modulation
                                                                                                          1. Current Modulation
                                                                                                            1. Frequency Chirp
                                                                                                              1. Bandwidth Limitations
                                                                                                              2. External Modulation
                                                                                                                1. Electro-Optic Modulators
                                                                                                                  1. Electro-Absorption Modulators
                                                                                                                    1. Mach-Zehnder Modulators
                                                                                                                      1. Chirp Control
                                                                                                                    2. Transmitter Performance Parameters
                                                                                                                      1. Extinction Ratio
                                                                                                                        1. Eye Diagram Quality
                                                                                                                          1. Jitter Characteristics
                                                                                                                            1. Optical Signal-to-Noise Ratio

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                                                                                                                        4. Signal Degradation Mechanisms

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                                                                                                                        6. Optical Detectors and Receivers