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Title:Cold-cavity measurement of excess optical loss in oxide-confined vertical cavity surface emitting lasers
Author(s):Fryslie, Stewart
Advisor(s):Choquette, Kent D.
Department / Program:Electrical & Computer Eng
Discipline:Electrical & Computer Engr
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:M.S.
Genre:Thesis
Subject(s):vertical cavity surface emitting laser
semiconductor laser
optical loss
microcavity laser
laser
Abstract:Microcavity laser design and performance optimization requires a quantitative knowledge of the cavity optical losses. A generalized method using sub-threshold spectral measurements matched to model calculations is demonstrated to determine optical loss in microcavity lasers. Cold-cavity spectral characteristics are used to extract the size dependent optical loss for small diameter oxide-confined vertical cavity surface emitting lasers. For oxide aperture diameters less than 4 !m, the oxide scattering loss can be greater than 10 cm-1, similar to the typical values of free carrier absorption loss.
Issue Date:2014-01-16
URI:http://hdl.handle.net/2142/46646
Rights Information:Copyright 2013 Stewart Fryslie
Date Available in IDEALS:2014-01-16
Date Deposited:2013-12


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