# 5. Fundamentals of Optoelectronics

## 5.1 Materials and Radiant Recombination

### 5.1.1 Basic Questions and Material Issues

### 5.1.2 Recombination and Luminescence

### 5.1.3 Doping of Compound Semiconductors

### 5.1.4 Wavelength Engineering

## 5.2 Light and Semiconductors

### 5.2.1 Total Efficiency of Light Generation

### 5.2.2 Absorption and Emission of Light

## 5.3 Heterojunctions

### 5.3.1 Ideal Heterojunctions

### 5.3.2 Real Heterojunctions

## 5.4 Quantum Devices

### 5.4.1 Single and Multiple Quantum Wells