3.3 Extrinsic Semiconductors
3.4 Direct and Indirect Bandgap Semiconductors:
3.5 pn Junction Principles
3.6 pn Junction Reverse Current
3.7 pn Junction Dynamic Resistance and Capacitances
3.8 Recombination Lifetime
3.9 pn Junction Band Diagram
3.10 Heterojunctions
3.11 Light-Emitting Diodes: Principles
3.12 Quantum Well High Intensity LEDs
3.13 LED Materials and Structures
3.14 LED Efficiencies and Luminous Flux
3.15 Basic LED Characteristics
3.16 LEDs for Optical Fiber Communications
3.17 Phosphors and White LEDs
Chapter 4 Stimulated Emission Devices: Optical Amplifiers and Lasers
4.1 Stimulated Emission, Photon Amplification, and Lasers
4.2 Stimulated Emission Rate and Emission Cross-Section
4.3 Erbium-Doped Fiber Amplifiers
4.4 Gas Lasers: The He-Ne Laser
4.5 The Output Spectrum of a Gas Laser
4.6 Laser Oscillations: Threshold Gain Coefficient and Gain Bandwidth
4.7 Broadening of the Optical Gain Curve and Linewidth
4.8 Pulsed Lasers: Q-Switching and Mode Locking
4.9 Principle of the Laser Diode
4.10 Heterostructure Laser Diodes
4.11 Quantum Well Devices
4.12 Elementary Laser Diode Characteristics