2026-09-19T09:30:37Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/458322022-01-13T07:54:29Zcom_1721.1_7582com_1721.1_7581col_1721.1_131023
Qing Hu.
Hsu, Allen Long
Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science.
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
2009-06-30T16:23:40Z
2009-06-30T16:23:40Z
2008
2008
http://hdl.handle.net/1721.1/45832
319547497
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2008.
Includes bibliographical references (p. 101-103).
The proposed research is a study of designing high-efficiency Mid-IR quantum cascade lasers (QCL). This thesis explores "injector-less" designs for achieving lower voltage defects and improving wall plug efficiencies through highly strain-balanced structures and minimized injector regions. This work contains experimental design work for testing and evaluating Mid-IR QCL performance, simulation work for verifying wavefunction and energy alignment, as well as, Monte Carlo transport simulations for evaluating designs, and finally measuring lasing and spontaneous emission performance for various designs.
by Allen Long Hsu.
S.M.
103 p.
eng
Massachusetts Institute of Technology
M.I.T. theses are protected by
copyright. They may be viewed from this source for any purpose, but
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http://dspace.mit.edu/handle/1721.1/7582
Electrical Engineering and Computer Science.
Design of high efficiency Mid IR QCL lasers
Thesis
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