The document provides information about a lecture on lasers, including semiconducting lasers. It defines lasers and discusses population inversion and the materials used for semiconducting lasers. It also mentions lasers for fiber optic communication and quantum well devices. The document provides reading materials on lasers, population inversion, diode lasers, and their application to optical fibers. It announces an upcoming test on LEDs and lasers and gives information about assignments, tests, and exams in the course.

1. (semiconducting Lasers)
LASER 1 EBB 424E
Dr Zainovia Lockman
LASER

2. Lecture Contents
Definition of lasers
Emission and absorption of radiation
Population Inversion
Semiconducting lasers
Materials used for semiconducting
laser
Laser for fibre optics communication
Quantum Well devices

3. For the Laser Course You
Need:
A general reading on lasers:
A photocopy from a book by Watson p23-64 (easy read)
Population Inversion and Diode Laser:
A photocopy from Wilson and Hawkes
p 169- 182 (more advance reading)
P 204-223 (more advance reading)
A general reading + the optical fibre application + on
laser diode
A photocopy from Kasap
p.159-166 (optical fibre)
P.181-196
EBB 424 Lecture Presentation
EBB 424 Short Lecture Notes summarising all of the
above.

4. Important
Announcement 1:
Test schedule
A Test on LED and laser will be
conducted on:
26th September
40 objective questions

5. Assignments and Tests
Group activity 1 (presentation only) =
25% - done
Group activity 2 (open book test) =
25%
Test I = 25%
Test 2 = 25%

6. Information
about the exam
Please study the pass year paper and all of the
‘typical exam questions’ presented to you in the
lectures.
There
will
be
3.5
questions
from
Optoelectronics Part.
Compulsory for you to answer 2 questions
from both part A and B.
Then choose one question from any parts.

7. Lecture: Laser
Objectives (by the end of the lectures on
laser student will be…)
1.
2.
3.
4.
5.
6.
Able to state the definition of laser
Able to state the principle of population inversion
Able to explain the principle of semiconducting
laser
Familiarise with the concept of light simulation and
polarisation
Able to list down all materials criteria and materials
selection for a given semiconducting laser
compound.
Able to highlight several examples of the
application of laser.

8. Diode Laser