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Click here for Class Website Lasers and Photonics (3 units). Principles of lasers: properties and
manipulation of laser light; physical effects and operating principles of photonic components
and devices including light modulators, displays, and optical fibers; elements of photonic
telecommunications. Prerequisites: OPTI 240, OPTI 310 and MATH 223.
Grades:Required Textbook:
Books on electrodynamics, quantum mechanics and mathematics:Topics Covered: (The following list is meant to serve as a guideline. Changes to the list may be made without prior notification. Some topics will be discussed in detail, while others are only covered briefly. The numbers in parenthesis refer to the chapters in the text book by Saleh/Teich). Brief review of wave optics (2.1) Brief review of monochromatic waves, Helmholtz equation (2.2 A) Brief review of planes wave and dispersion relation (2.2 B) Brief review of interference of two waves (2.5 A) Fourier Transform (Appendix A) Pulsed light, quasi-monochromatic pulses (2.6 A) Brief review of Maxwell's equations and wave equation (from 5.1, 5.2) Irradiance (intensity) of monochromatic plane waves (5.4) Susceptibility, absorption coefficient and refractive index (5.2) Planar-mirror resonators (10.1 A) Brief review of Gaussian beams (2.2 C and 3.1) Spherical-mirror resonators (10.2) Coherent vs. random light, temporal coherence function, coherence length, spectral width (11.1 A,B) Brief summary: Schrödinger equation, energy levels (13.1 excluding semiconductors) Thermal equilibrium distribution (13.2 A) Interaction of photons with atoms, transition cross section, stimulated emission rate, photon flux, lineshape function, spontaneous emission rate (13.3) Laser amplification, gain coefficient (14.1) Rate equations, steady-state inversion, four-level pumping, three-level pumping (14.2) Laser oscillation, small signal gain coefficient, saturated gain coefficient, threshold gain condition (15.1) Laser output, number of modes, mode selection, Brewster window (15.2) Examples of lasers and laser media: He-Ne, CO2, Rhodamine-6G, Ruby, Nd3+:YAG, Nd3+:Glass, Ti:Sapphire, Er3+:Silica fiber (13.1, 14.3 and 15.3) Mode locking (15.4) Polarization optics, linearly and circularly polarized light, propagation along principal axes in uniaxial crystals (6.1) Phase retardation, half-wave retarder, quarter-wave retarder, light intensity control, polarizers, polarizing beam splitters (6.6) Optical activity, rotatory power, Faraday effect, optical isolator (6.4) Circulator, add-drop multiplexer (20.3) Electro-optics, Pockels effect, anisotropic nonlinear refractive indices, phase retardation, retardation half-wave voltage, Pockels cell intensity modulator, waveguide Mach-Zehnder interferometer (20.1) Group velocity and group velocity dispersion (5.6) Planar-mirror wave guides, propagation constant, cutoff frequency, group velocity, transverse mode functions (8.1) Brief overview: optical fiber, step-index multi-mode fiber, step-index single-mode fiber (9.1) Brief overview: dispersion-shifted fiber, dispersion-flattened fiber, dispersion-compensating fiber (9.3) Brief overview: optical interconnects, wavelength-division multiplexers (23.2) Brief overview: optical fiber attenuation and dispersion, WDM channels, channel separation (24.1, 24.3) |