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Title:Coherent laser arrays from bottom-surface vertical-cavity surface-emitting lasers
Author(s):Thompson, Bradley J
Advisor(s):Choquette, Kent D.
Department / Program:Electrical & Computer Engineering
Discipline:Electrical & Computer Engineering
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:M.S.
Genre:Thesis
Subject(s):Vertical Cavity Surface Emitting Laser (VCSEL)
Laser
Coherent
Coherence
Bottom Emitting
Fabrication
Coherent Array
Abstract:Vertical-cavity surface-emitting lasers (VCSELs) are among the best choices for high beam quality semiconductor lasers. By designing a VCSEL array for uniform current injection and having the output coupler on the substrate side of the laser cavity, the laser will more easily operate in the fundamental Gaussian mode. This type of laser is referred to as a bottom-emitting VCSEL. Bottom-emitting VCSELs show promising results for two-dimensional coherent arrays where multiple laser elements are operated in an optically coupled configuration. With independent current injection, the rich behavior of the bottom-emitting coherent VCSEL array can be explored and controlled.
Issue Date:2015-07-21
Type:Thesis
URI:http://hdl.handle.net/2142/88092
Rights Information:Copyright 2015 Bradley Jay Thompson
Date Available in IDEALS:2015-09-29
Date Deposited:August 201


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