ECE 456 -- Optoelectronics (3 units)
Description: Properties and applications of optoelectronic devices and systems. Topics include electromagnetics, radiometry, polarization, propagation, laser design, and electro-optical components.
Grading: Regular grades are awarded for this course: A B C D E
May be convened with ECE 556
Intructor will provide course notes.
Course Learning Outcomes:
By the end of this course, the student will be able to:
the electromagnetic spectrum, wave equation and wave propagation in linear,
isotropic media and in anisotropic media.
basic radiometric quantities and perform analyses of basic radiometric designs.
matrix methods to model and interpret image formation and beam propagation
(both plane wave and Gaussian beam) in an optical system.
the function and design of an optical resonator.
resonator mode characteristics and determine mode stability in an optical
cavity Q, constructive and destructive interference.
resonator output spectra including calculating and interpreting cavity finesse,
resolution, mode spacing, etc.
the design and function of a Fabry-Perot etalon optical spectrum analyzer.
an optical resonator (mirror curvature, size, separation, Gaussian beam
characteristics in resonator) and understand sources of loss.
the function and design of laser gain media–gas, liquid, solid-state.
energy band diagrams, band gap, excited states, spontaneous emission,
stimulated emission, state lifetimes, lineshape broadening: homogeneous and
inhomogeneous, Einstein A and B coefficients, rate equations, exponential gain
coefficient, population inversion, intensity.
three and 4 level laser gain media based on desired design constraints.
the impact of placing the gain medium inside a resonator to produce a
laser: laser gain profile, spectrum,
threshold, population inversion, critical fluorescence power, stimulated
emission power, output power.
the function and design of Q switch devices and methods and mode locking
devices and methods.
- Discuss a variety of
laser types (descriptions, pros, cons).
- Electromagnetic spectrum
- Maxwell's equations and the wave equation
- Isotropic media
- Jones vectors
of the refraction and translation (transfer) matrices to describe optical
- Beam path ray
trace through an optical system to determine the stability of the system
Gaussian beam propagation and imaging
- Concepts and equations to determine the characteristics of a Gaussian beam
- Combine the
ABCD matrix method with Gaussian beams to propagate through an optical system
- Mirrors separated by an air space
- Resonator design (spherical mirrors)
- Beam waist size and location in the cavity
- Confocal resonator properties
- General resonator properties
- Matrix methods for resonator
- Resonator stability
- Sources of loss
- Output of resonator
- Cavity modes, mode spacing,
constructive and destructive interference Fabry-Perot etalon (optical spectrum
analyzer), finesse, resolution
- Gas, liquid and solid-state
- Energy bands
- Band gap
- Ground state
- Impact on resonator output
- Homogeneous and
- Three and four-level lasers
- Laser gain profile spectrum
- Laser types: descriptions, pros and cons
- Laser output: spectral, beam characteristics, etc.
Two, 75-minute lectures per week
Relationship to Student Outcomes:
ECE 456 contributes directly to the following specific Electrical and Computer Engineering Student Outcomes of the ECE department:
- an ability to apply knowledge of mathematics, science and engineering (High)
- an ability to design and conduct experiments, as well as to analyze and interpret data (Medium)
- an ability to identify, formulate and solve engineering problems (High)
- an ability to communicate effectively (Medium)
- an ability to use the techniques, skills, and modern engineering tools necessary for engineering practice (High)