lect. 1: introduction - yonsei universitytera.yonsei.ac.kr/class/2012_2_1/lecture/lect 1...

Optoelectronics (12/2) W.-Y. Choi

Lect. 1: Introduction

What is light?

Visible light, Wavelength: 400-700 nmFrequency: 430 – 750 THzPhoton energies: 1.65 - 3.1 eV

Why do we see only what we see?

- Wikipedia: EM radiation of a wavelength visible to human eye



Why do we see only what we see?

-Light has been most abundant EM waves for long time!



- Why study light in EE? Many applications

LED: Light Emitting Diode

LEDs have much better efficiency and longer life time.Expected to replace all the lighting systems, eventually




LASER: Light Amplification by Stimulated Emission Radiation

Material Processing Laser Surgery CD, DVD




Optical Fiber Communication

Light can travel inside fiber with very small loss Key technology for internet revolution!




IBM cloud computing data center (1,994 of servers)



-Why study light in EE?

Many applications in Information TechnologyInformation Transmission: Optical Communication/InterconnectInformation Display: LCD, PDP, LEDInformation Storage/Recovery: CD, DVDInformation Processing: Optical Computers, SensorsMedical Applications

What are we going to do in this course?



● Goals: Understand what light is and learn how to use it

● Teaching Staffs - Lecturer: Prof. Woo-Young Choi (최우영)

Room: B625, Tel: 02-2123-2874 Email: [email protected], Web: tera.yonsei.ac.kr

● Prerequisite: Sufficient knowledge in Electromagnetic WavesElectromagnetics II (전자기2) strongly recommended

● Class Hours - Lecture: Mon. 1:00-1:50 pm, Wed. 9:00-10:50 pm at B004- Tutorial: Mon. 10 am at C029(Homework solutions, make-up classes, etc )

- T.A.'s: Byung-Min Yu (유병민): [email protected] Room: B629, Tel: 02-2123-7709



● Textbook: Class notes (Available in PDF before lecture at tera.yonsei.ac.kr)Optoelectronics and Photonics by Kasap (Optional)

● Grades - 3 Tests: 25 points x 3 times = 75 points- 1 Presentation in English: 25 points

● Attendance: Random sampling Absent: - 0.5 point, Late: - 0.25 point

● Homeworks.: When necessary No homework: - 1.0 points, Suspected of copying: -3 points



● Presentation

Each student is expected to choose a topic related to optoelectronics and make a in-class presentation in English. The presentation will be graded based on following:relevance to the selected topic to the course, the knowledge of the student on the topicand presentation skills.

● Lunch Meeting:

Students are encouraged to participate in lunch meetings with fellow students andprofessor. Lunch meetings will be held on Wed. from 11:50 - 12:20 in my office. Sign-upsheets will be available. We can have free conversation on the course, future careerplans, etc. Sandwiches and drinks will be provided. A sign-up sheet will be available nextMonday.



● Class Schedule

- Part 1: Lightwave (Review of EM2, Kasap Chapter 1)

- Part 2: Waveguides (Kasap Chapter 2)

- Part 3: Optoelectronic Devices (Kasap Chapter 4,5,7)



● Class Schedule (Tentative and subject to changes)

- Part 1: Lightwave

Lect. 1: Introduction Lect. 2: Light as EM waves Lect. 3: Light propagation in mediumLect. 4: Reflection and transmissionLect. 5: Total internal reflectionLect. 6: Interference Lect. 7: Multiple dielectric interferenceLect. 8: InterferometersLect. 9: DiffractionLect. 10: Diffraction Gratings

Test 1: 9/26 (During the class)




- Part 2: Waveguides

Lect. 11: Metallic waveguideLect. 12: Dielectric waveguide ILect. 13: Dielectric waveguide II Lect. 14: Waveguide devices Lect. 15: Optical fiberLect. 16: Dispersion in optical fiber

Test 2: During the Mid-Term Exam Period




-Part 3 : Optoelectronic Devices

Lect. 17: Light as a particleLect. 18: Interaction between light and matter Lect. 19: Optical pumpingLect. 20: LED Lect. 21: Laser Lect. 22: Semiconductor laserLect. 23: Single-mode semiconductor laserLect. 24: PhotodetectorsLect. 25 - 28 : Advanced topics in optoelectronics if time is available

Test 3: 11/28


1

2 3

Lect. 1

4 5

Lect. 2,3

6 7 8

9 10

Lect. 4

11 12

Lect. 5,6

13 14

16 18 19

Lect. 8,9

20 21 22

23

30

27 29

일 월 화 수 목 금 토

2826

Test 1

2524

Lect. 10

17

Lect. 7

15

추석

September


October

2 3 4 5 6

7 9 10

Lect. 12,13

11 12

14 15

Lect. 14

16 17

Lect. 15,16

18 19 20

21 22 23 24 25 26 27

28 29

Lect. 17

30 31

Lect. 18,19

1


13 8

Lect. 11

추석 개천절

Mid-Term Exams(Test 2)


November

1 2 3

4 5

Lect. 20

6 7

Lect. 20,21

8 9 10

11 12

Lect. 22

13 14

Lect. 23,24

15 16 17

18 19

Lect. 25

20 21

Lect. 26,27

22 23 24

25 26

Lect. 28

27 29 30


28

Test 3


December

1

2 3StudentPresentation


7 8



13 14 15

16 17 18 19 20 21 22

23

30

24

31

25 26 27


28 29

6

Final Exams

lect. 1: introduction - yonsei universitytera.yonsei.ac.kr/class/2012_2_1/lecture/lect 1...

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