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GasMBE growth and characterization o...

Evans, Allan Joseph.

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GasMBE growth and characterization of strained layer indium phosphide-gallium indium arsenide-aluminum indium arsenide Quantum cascade lasers.

Record Type:	Electronic resources : Monograph/item
Title/Author:	GasMBE growth and characterization of strained layer indium phosphide-gallium indium arsenide-aluminum indium arsenide Quantum cascade lasers./
Author:	Evans, Allan Joseph.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2008,
Description:	326 p.
Notes:	Source: Dissertation Abstracts International, Volume: 69-11, Section: B, page: 7026.
Contained By:	Dissertation Abstracts International69-11B.
Subject:	Electrical engineering. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3335605
ISBN:	9780549911746

GasMBE growth and characterization of strained layer indium phosphide-gallium indium arsenide-aluminum indium arsenide Quantum cascade lasers.
Evans, Allan Joseph.

GasMBE growth and characterization of strained layer indium phosphide-gallium indium arsenide-aluminum indium arsenide Quantum cascade lasers. - Ann Arbor : ProQuest Dissertations & Theses, 2008 - 326 p.

Source: Dissertation Abstracts International, Volume: 69-11, Section: B, page: 7026.

Thesis (Ph.D.)--Northwestern University, 2008.

The semiconductor-based Quantum Cascade Laser (QCL) offers several key advantages over gas lasers, solid-state lasers, and other semiconductor-based mid-infrared lasers. While the QCL has historically operated best in the lambda &sim; 7-9 mum range using InP-based materials, a major challenge has been to achieve a high-power, room-temperature continuous-wave (CW) operation at shorter wavelengths. Historically, short wavelength performance has been limited due to problems of electron confinement, intervalley leakage, waveguide losses, and high power density. The goal of this work is to overcome these limitations using strain-balanced GaInAs-AlInAs epitaxial materials on InP as well as enhanced thermal management to extend the QCL operating range to the short wavelength limit (lambda &sim; 3 mum) with high power high temperature operation.

ISBN: 9780549911746Subjects--Topical Terms:

649834
Electrical engineering.

GasMBE growth and characterization of strained layer indium phosphide-gallium indium arsenide-aluminum indium arsenide Quantum cascade lasers.
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100 1 $a Evans, Allan Joseph. $3 3349420
245 1 0 $a GasMBE growth and characterization of strained layer indium phosphide-gallium indium arsenide-aluminum indium arsenide Quantum cascade lasers.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2008
300 $a 326 p.
500 $a Source: Dissertation Abstracts International, Volume: 69-11, Section: B, page: 7026.
500 $a Adviser: Manijeh Razeghi.
502 $a Thesis (Ph.D.)--Northwestern University, 2008.
520 $a The semiconductor-based Quantum Cascade Laser (QCL) offers several key advantages over gas lasers, solid-state lasers, and other semiconductor-based mid-infrared lasers. While the QCL has historically operated best in the lambda &sim; 7-9 mum range using InP-based materials, a major challenge has been to achieve a high-power, room-temperature continuous-wave (CW) operation at shorter wavelengths. Historically, short wavelength performance has been limited due to problems of electron confinement, intervalley leakage, waveguide losses, and high power density. The goal of this work is to overcome these limitations using strain-balanced GaInAs-AlInAs epitaxial materials on InP as well as enhanced thermal management to extend the QCL operating range to the short wavelength limit (lambda &sim; 3 mum) with high power high temperature operation.
520 $a This work begins with a discussion of the limitations of lattice-matched QCL growth and the physical background of strain effects on band structure. The fundamental problems with the GasMBE growth and characterization of strained GaInAs-AlInAs-InP materials are addressed. Thermal modeling and package design work is presented to address high power density problems at high temperatures. Experimental laser testing results are presented, including reliability testing. Finally, to demonstrate the commercial potential of the technology developed in this work, an initial system prototype of a widely tunable external cavity (EC-QCL) is presented.
590 $a School code: 0163.
650 4 $a Electrical engineering. $3 649834
650 4 $a Materials science. $3 543314
650 4 $a Optics. $3 517925
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710 2 $a Northwestern University. $b Electrical and Computer Engineering. $3 1022291
773 0 $t Dissertation Abstracts International $g 69-11B.
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793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3335605