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ECEN5645: Introduction to Optical Electronics (Spring 2012)

  • Lecture time: Tue/Thu 12:30-13:45
  • Location: ECCR 137
  • Instructor: Milos Popovic
  • Office: EE1B48
  • Phone: 303-492-5304
  • Email: firstname.lastname@colorado.edu
  • Office hours: Tuesdays 2-3pm

Announcements

  • Lecture 6 on Thu Feb 2 is cancelled; makeup lecture scheduled Tue Feb 7, 5pm.
  • Lecture 15 on Tue Mar 6 is cancelled; makeup lecture scheduled Thu Mar 8, 5pm.
  • Midterm moved from Tue Mar 6 to Thu Mar 15 in class.

Course Materials

  • Course textbook: F.X. Kaertner, Fundamentals of Photonics (2010), MIT OCW Course Notes PDF.
    • previously used for this (different) course.
  • Course syllabus (short)
  • Course syllabus (detailed)
  • Lecture 1: Introduction PDF part 1,PDF part 2
  • Lecture 2: Linear systems PDF (updated Jan 24, 2012)
  • Lecture 3: Waves, work/energy, radiation and Green's functions (handout notes from Kong book PDF (updated Jan 31, 2012)
  • Lecture 5: Modes, and waves in media PDF (updated Jan 31, 2012)
  • Lecture 6-7: K-K relation, dispersion, theorems of waves and media PDF
  • Lecture 8-11: Duality, image charges and symmetries, Fabry-Perot resonator, slab waveguides (TE/TM), optical fibers, CMT PDF
  • Lecture 9-10: Slab waveguides, group velocity, dispersion PDF; Haus Chapters 3 & 6 PDF
  • Lecture 12: Leaky waveguides as example of use of 1D Green's functions, Waveguide mode symmetries, Perturbation & stationary integrals PDF
    • Lecture 12+: Haus Chapter 7 & 8 PDF; Haus papers on CMT PDF1, PDF2.
  • Lecture 13: Coupled mode theory in space: vector and scalar; stationary integral for beta; overlap integrals: Lecture notes PDF, notes on product of effective and group index PDF.
  • Lecture 14: Coupled mode theory: coupled mode equations, overlap integrals, self and cross coupling, 2-guide coupler. Lecture notes PDF.
  • Lecture 15: Coupled mode theory in space: non-orthogonal mode bases, uncoupled mode vs. supermode picture of coupling, beta matching, grating coupling and DFB structures, examples. Lecture notes PDF.
  • Lecture 16: Coupled mode theory in space: Adiabatic coupling. Lecture notes PDF, slides with examples PPTX (27MB), slides with movies shown in multiple lectures including this one PPTX (310MB!).
  • Midterm covers up to here, ie. lectures above this point only (Lec 1-16)
  • Lecture 17: Coupled mode theory in time. Lecture notes PPTX, PPTX.
  • Lecture 19: Applications of coupled mode theory in time. Intro to Gaussian beams. Lecture notes PPTX, PPTX.
  • Lecture 20: Intro to Gaussian beams. Lecture notes PDF, PDF.
  • Lecture 21: Paraxial wave equation and Gaussian beams. Lecture notes PPTX, Haus book sections on paraxial propagation and Gaussian beams and resonators PDF
  • Lecture 22: Gaussian beams, resonators and T matrices. Lecture notes PDF.
  • Lecture 23: Intro to light-matter interaction, absorption in atomic gases and semiconductor band structure. Planck's law and quantization of radiation. Lecture notes PDF.
  • Lecture 23b: Black body radiation, absorption and emission. Lecture notes PDF.
  • Lecture 24: Thermal photon statistics, thermal and shot noise, optical detector SNR. Lecture notes PDF.
  • Lecture 25: Lasers: amplifiers and oscillators, absorption, stimulated and spontaneous emission, 3-4 level systems. Lecture notes PDF.
  • Lecture 26: Lasers: 3-4 level systems. Lecture notes PDF.
  • Lecture 27: Lasers: Homogeneous and inhomogeneous broadening, lifetimes, microscopic model and polarizability with gain, Doppler broadening. Lecture notes PDF.
  • Lecture 28: Lasers: microscopic model and polarizability with gain, Doppler broadening, laser oscillator. Lecture notes PDF.
  • Lecture 29: Lasers: Cavity dynamics, build up time, CW oscillation in steady state, perturbations/relaxation oscillations, laser efficiency, thresholdless lasing. Lecture notes PDF, additional lecture notes on CMT-in-time model of laser PDF
  • notes still missing from online: 1) Lec 3-5 examples of using green's functions shown, 2) Lec 16 on adiabatic coupling, 3) Lec 17 parts on CMT in time.

Homework

Homeworks are handed out on Tuesday, cover the lecture material of the week before, and are due next Thursday (9 days later).

  • HW1 PDF out Thu, Jan 26; due Tue Feb 7. HW1 Solutions PDF
  • HW2 PDF out Thu, Feb 16; due Thu Feb 23. HW2 Solutions PDF
  • HW3 PDF out Thu, Feb 23; due Thu Mar 1. HW3 Solutions PDF
  • HW4 PDF out Thu, Mar 8; due Thu Mar 15 HW4 Solutions - from people in class Mark Wade PDF, Cale Gentry PDF.
  • HW5 PDF out Thu, Mar 8/Mar15; due Thu Mar 22.

Midterm

  • Midterm solutions PDF returned Apr 5, 2012.

Course Description

This course provides a foundation in modern photonics through an introduction to the fundamentals of optoelectronic devices. It will focus on many of the essential optical components for communications. The course topics will include: electromagnetic theory for beams, guided waves and resonators, guided wave devices, resonators, lasers, modulators and detectors.

Prerequisites: ECEN 3410 (Electromagnetic Waves and Transmission)

Grading

  • Homework 30%
  • Midterm 20%
  • Paper 15%
  • Final 35%

Course work is same for grads and undergraduates, but undergrads will be graded on a separate curve.


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