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Light Emitting Diodes and Semiconductor Lasers
  • Level Expert
  • المدة 25 ساعات hours
  • الطبع بواسطة University of Colorado Boulder
  • Offered by

عن

This course can also be taken for academic credit as ECEA 5605, part of CU Boulder’s Master of Science in Electrical Engineering degree. LEDs and Semiconductor Lasers Course Introduction You will learn about semiconductor light emitting diodes (LEDs) and lasers, and the important rules for their analysis, planning, design, and implementation. You will also apply your knowledge through challenging homework problem sets to cement your understanding of the material and prepare you to apply in your career. Course Learning Outcomes At the end of this course you will be able to… (1) Design a semiconductor light emitting diode and analyze efficiency (2) Design a semiconductor laser (3) Choose suitable semiconductor materials for light emitting devices

الوحدات

Welcome to the Specialization, and to Course 1

    • 2 Videos
    • 1 Discussion
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1 Discussions

  • Introductions

2 Videos

  • Active Optical Devices Specialization Introduction
  • Introduction to Light Emitting Diodes and Semiconductor Lasers

Introduction to the Module

    • 1 Videos
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1 Videos

  • Introduction to Semiconductor Fundamentals

Semiconductor Fundamentals

    • 12 Videos
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12 Videos

  • Energy Bands and Semiconductors
  • Definition of a Semiconductor
  • Density of States
  • Carrier Density, Part I
  • Carrier Density, Part II
  • Carrier Density, Part III
  • Intrinsic and Extrinsic Semiconductors
  • Fermi Levels with Dopants
  • Dopant Energy Levels, Part I
  • Dopant Energy Levels, Part II
  • Charge Neutrality, Part I
  • Charge Neutrality, Part II

Recommended References

    • 1 Readings
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1 Readings

  • Recommended References

Homework #1: Semiconductor Fundamentals

    • 2 Readings
    • 2 Quiz
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2 Readings

  • Week 1 Reading Assignments
  • Semiconductor Physics Review

2 Quiz

  • Semiconductor Fundamentals Practice
  • Semiconductor Fundamentals Review

MATLAB Access

    • 1 Readings
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1 Readings

  • MATLAB License

Introduction to the Module

    • 1 Videos
    • 1 Readings
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1 Videos

  • Radiative Recombination in Semiconductors

1 Readings

  • Week 2 Reading Assignments

Light Emission in Semiconductors

    • 14 Videos
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14 Videos

  • Radiative and Non-Radiative Transitions, Part I
  • Radiative and Non-Radiative Transitions, Part II
  • K Selection Rules
  • Direct and Indirect Bandgaps
  • Derivation of Absorption Coefficient
  • Joint Density of States, Direct Bandgap Semiconductor
  • Direct and Indirect Bandgaps, Part II
  • Absorption in Indirect Bandgap Semiconductor
  • Radiative Transition Rate
  • Examples of Radiative Transition Rates in Direct and Indirect Gap Semiconductors
  • Minority Carrier Lifetime, Part I
  • Minority Carrier Lifetime, Part II
  • Minority Carrier Lifetime, Part III
  • Radiative Efficiency

Recommended References

    • 1 Readings
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1 Readings

  • References

Homework #2: Radiative Recombination in Semiconductors

    • 1 Readings
    • 2 Quiz
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1 Readings

  • Radiative Recombination in Semiconductors

2 Quiz

  • Radiative Recombination in Semiconductors Practice
  • Radiative Recombination in Semiconductors

Introduction to the Module

    • 1 Videos
    • 1 Readings
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1 Videos

  • Light Emitting Diode (LED)

1 Readings

  • Week 3 Reading Assignment

Light Emitting Diode Fundamentals

    • 13 Videos
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13 Videos

  • PN Junction
  • Current in PN Junction
  • Typical LED Structure
  • LED Losses, Part I
  • Total Internal Reflection
  • LED Losses, Part II
  • LED Efficiencies
  • Emission Spectra, Part I
  • Emission Spectra, Part II
  • Carrier Temperature
  • LED Wavelengths
  • Blue LEDs
  • Double Heterostructure LED

Recommended References

    • 1 Readings
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1 Readings

  • Recommended References

Homework #3: Light Emitting Diode (LED)

    • 1 Readings
    • 2 Quiz
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1 Readings

  • Light Emitting Diode (LED)

2 Quiz

  • Light Emitting Diode (LED) Practice
  • Light Emitting Diode (LED)

Introduction to the Module

    • 1 Videos
    • 1 Readings
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1 Videos

  • Fundamentals of Semiconductor Lasers

1 Readings

  • Week 4 Reading Assignments

Basics of Semiconductor Lasers

    • 12 Videos
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12 Videos

  • History of Semiconductor Lasers
  • Fundamental Processes in a Semiconductor Laser
  • Non-Equilibrium Carrier Distribution
  • Quasi-Fermi Levels
  • Density of Photons
  • Einstein Coefficients, Part I
  • Einstein Coefficients, Part II
  • Stimulated Emission Rate, Part I
  • Calculating Minimum Intensity Needed for Stimulated Emission
  • Stimulated Emission Rate, Part II
  • Gain in Semiconductor Lasers
  • Gain Spectrum

Recommended References

    • 1 Readings
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1 Readings

  • Recommended References

Homework #4: Fundamentals of Semiconductor Lasers

    • 1 Readings
    • 2 Quiz
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1 Readings

  • Fundamentals of Semiconductor Lasers

2 Quiz

  • Fundamentals of Semiconductor Lasers Practice
  • Fundamentals of Semiconductor Lasers

Introduction to the Module

    • 1 Videos
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1 Videos

  • Semiconductor Laser Design Principles

Semiconductor Laser Design

    • 12 Videos
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12 Videos

  • Laser Oscillation, Part I
  • Laser Oscillation, Part II
  • Waveguide Design
  • Effective Index Method, Part I
  • Effective Index Method, Part II
  • Single Mode Condition and Confinement
  • Fermi Level Review
  • Threshold Current, Part I
  • Threshold Current, Part II
  • Photons in Laser Cavity, Part I
  • Photons in Laser Cavity, Part II
  • Above Threshold

Recommended References

    • 1 Readings
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1 Readings

  • Recommended References

Homework #5: Semiconductor Laser Design Principles

    • 2 Quiz
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2 Quiz

  • Semiconductor Laser Design Principles Practice
  • Semiconductor Laser Design Principles

Introduction to the Module

    • 1 Videos
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1 Videos

  • Advanced Semiconductor Laser Design Principles

Advanced Semiconductor Laser Design

    • 9 Videos
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9 Videos

  • PN Junction Laser
  • Heterostructure Laser
  • Double Heterostructure Laser
  • Carrier Confinement in Double Heterostructure Laser
  • Leakage Current in Double Heterostructure Laser
  • Quantum Well Lasers
  • Quantum Effects and Density of States, Part I
  • Quantum Effects and Density of States, Part II
  • Multiquantum Structures

Recommended References

    • 1 Readings
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1 Readings

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Homework #6: Advanced Semiconductor Laser Design Principles

    • 2 Quiz
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2 Quiz

  • Advanced Semiconductor Laser Design Principles Practice
  • Advanced Semiconductor Laser Design Principles

Auto Summary

Discover the world of semiconductor light-emitting diodes (LEDs) and lasers with this expert-level course from Coursera, part of CU Boulder’s Master of Science in Electrical Engineering. Led by experienced instructors, you'll master the design, efficiency analysis, and material selection for these devices through comprehensive lessons and challenging homework sets. Ideal for professionals in science and engineering, the course spans 1500 hours and offers flexible subscription options to suit your learning pace.

Juliet Gopinath
Instructor

Juliet Gopinath