# Exercise 9.1-1

## Quick Questions to

### 9.1 - Optoelectronics - General Concerns

| Here are some quick questions
|  | Name some optoelectronic devices. List their strengths and weaknesses in comparison to competing products / technologies
|  | Identify and discuss specific properties of some optoelectronic materials.
|  | Why is the index of refraction an important property of optoelectronic semiconductors? How is it defined and what kind of numbers can you give?
|  | Compare the operation of a CMOS processor and an optoelectronic device in terms of power. What follows for some material properties?
|  | Why do we still use light bulbs or fluorescent light for general lighting? What are the prime conditions that optoelectronics has to meet in order to impact the lighting market?
|  | List and briefly discuss the advantages and disadvantages of semiconductor Lasers
|  | Describe some recombination mechanisms, how they impact optoelectronic devices and what can be done to optimize recombination.
|  | What are OLED's? For what kinds of products are they of prime importance and why?

With frame

9.1.3 Summary to: 9.1 Optoelectronics - General Concerns

© H. Föll (Semiconductor Technology - Script)