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https://hdl.handle.net/2142/81341
Description
Title
Integrated Multiwavelength Semiconductor Lasers
Author(s)
Roh, Sungwon David
Issue Date
2000
Doctoral Committee Chair(s)
Coleman, James J.
Department of Study
Electrical Engineering
Discipline
Electrical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Electronics and Electrical
Language
eng
Abstract
The next technical challenge is to increase the number of lasing modes with as much control over the wavelength and linewidth as in today's single-wavelength semiconductor lasers. By utilizing multiple sections of periodic structures, dual-wavelength InGaAs-GaAs ridge waveguide semiconductor lasers have been fabricated. Not only do these dual-wavelength lasers operate at predetermined wavelengths, but the wavelength separations between the two lasing modes can be tuned electronically.
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