Home Assignments

First part of the course:

Name

Problem Number

Lucie

2.5, 3.4, 15.2 (a, b)

Johan

2.3, 5.5, 8.2

Klara

3.3, 4.1, 7.1, Extra*

Jianyu

2.2, 3.2, 5.3

Mustafa

3.1, 5.1, 8.1

*Considering that ionization energy of donors and acceptors in Si is about 50 meV, estimate the fraction of ionized impurities at room temperature.

Second part of the course

Name

Problem Number

Lucie

15.2 (c, d), 12.2, 11.1

Johan

12.3, 12.5, 14.33.2

Klara

11.6, 17.4, *

Jianyu

11.3, 12.1, 14.4

Mustafa

11.4, 17.1, 14.3

* What is the difference between amplified spontaneous emission and stimulated emission? How can these two be distinguished in an experiment?