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Start instantly and learn at your own schedule.

Approx. 19 hours to complete

Suggested: 6 weeks of study, 2-5 hours per week...

English

Subtitles: English

100% online

Start instantly and learn at your own schedule.

Approx. 19 hours to complete

Suggested: 6 weeks of study, 2-5 hours per week...

English

Subtitles: English

Syllabus - What you will learn from this course

Week
1
3 hours to complete

Semiconductor fundamentals

14 videos (Total 57 min), 3 readings, 2 quizzes
14 videos
Introduction to Light Emitting Diodes and Semiconductor Lasers1m
Introduction to Semiconductor Fundamentals2m
Energy Bands and Semiconductors5m
Definition of a Semiconductor2m
Density of States7m
Carrier Density5m
Carrier Density, Part II6m
Carrier Density, Part III5m
Intrinsic and Extrinsic Semiconductors4m
Dopant Energy Levels, Part I2m
Dopant Energy Levels, Part II1m
Charge Neutrality, Part I3m
Charge Neutrality, Part II5m
Recommended References5m
Reference Values and Equations for Homework10m
2 practice exercises
Semiconductor Fundamentals Practice45m
Semiconductor Fundamentals45m
Week
2
3 hours to complete

15 videos (Total 51 min), 2 readings, 2 quizzes
15 videos
K Selection Rules5m
Direct and Indirect Bandgaps3m
Derivation of Absorption Coefficient2m
Joint Density of States, Direct Bandgap Semiconductor3m
Direct and Indirect Bandgaps, Part II6m
Absorption in Indirect Bandgap Semiconductor3m
Examples of Radiative Transition Rates in Direct and Indirect Gap Semiconductors40s
References5m
Reference Values and Equations for Homework #210m
2 practice exercises
Week
3
3 hours to complete

Light Emitting Diode (LED)

14 videos (Total 38 min), 2 readings, 2 quizzes
14 videos
PN Junction2m
Current in PN Junction4m
Typical LED Structure1m
LED Losses, Part I3m
Total Internal Reflection2m
LED Losses, Part II58s
LED Efficiencies2m
Emission Spectra, Part I3m
Emission Spectra, Part II1m
Carrier Temperature2m
LED Wavelengths3m
Blue LEDs3m
Double Heterostructure LED2m
Recommended References5m
Reference Values and Equations for Homework #310m
2 practice exercises
Light Emitting Diode (LED) Practice45m
Light Emitting Diode (LED)1h
Week
4
2 hours to complete

Fundamentals of semiconductor lasers

12 videos (Total 34 min), 2 readings, 2 quizzes
12 videos
History of Semiconductor Laser4m
Fundamental Processes in a Semiconductor Laser3m
Non-Equilibrium Carrier Distribution5m
Quasi-Fermi Levels3m
Density of Photons2m
Einstein Coefficients, Part I3m
Einstein Coefficients, Part II3m
Stimulated Emission Rate, Part I3m
Stimulated Emission Rate, Part II52s
Gain in Semiconductor Lasers2m
Gain Spectrum28s
Recommended References5m
Reference Values and Equations for Homework #410m
2 practice exercises
Fundamentals of Semiconductor Lasers Practice45m
Fundamentals of Semiconductor Lasers45m

Instructor

Juliet Gopinath

Associate Professor
Electrical, Computer, and Energy Engineering

Start working towards your Master's degree

This course is part of the 100% online Master of Science in Electrical Engineering from University of Colorado Boulder. If you are admitted to the full program, your courses count towards your degree learning.

CU-Boulder is a dynamic community of scholars and learners on one of the most spectacular college campuses in the country. As one of 34 U.S. public institutions in the prestigious Association of American Universities (AAU), we have a proud tradition of academic excellence, with five Nobel laureates and more than 50 members of prestigious academic academies....

About the Active Optical Devices Specialization

This Active Optical Devices specialization is designed to help you gain complete understanding of active optical devices by clearly defining and interconnecting the fundamental physical mechanisms, device design principles, and device performance. You will study and gain active experience with light emitting semiconductor devices like light emitting diodes and lasers, nanophotonics, optical detectors, and displays. Specialization Learning Outcomes: *Analyze and design semiconductor light sources, and surrounding optical systems *Analyze and design detection systems for LIDAR, microscopy and cameras *Analyze and design systems for optical device systems that can adapt to the environment at hand. *Use lasers and optical electronics in electronic systems through an understanding of the interaction of light and atoms, laser rate equations and noise in photo-detection....