Diffraction from oxide confinement apertures in vertical-cavity lasers
Identifieur interne : 013D15 ( Main/Repository ); précédent : 013D14; suivant : 013D16Diffraction from oxide confinement apertures in vertical-cavity lasers
Auteurs : RBID : Pascal:99-0381403Descripteurs français
- Pascal (Inist)
- 4260J, 4255P, 4260D, 4225F, Etude expérimentale, Laser semiconducteur, Diffraction, Petite ouverture, Aluminium arséniure, Gallium arséniure, Oxyde, Cavité laser, Indium composé, Laser puits quantique, Laser émission surface, Mode laser, Diffraction Fraunhofer, Perte optique, Semiconducteur III-V, Résonateur cavité laser.
- Wicri :
- concept : Oxyde.
English descriptors
- KwdEn :
Abstract
Direct measurement of scattered fields from oxide confinement apertures in vertical-cavity lasers is presented. Diffraction fringes associated with each transverse lasing mode are detected in the far field from devices with varying oxide aperture dimensions and with quantum efficiencies as high as 48%. The diffracted pattern symmetries match the rectangular symmetry of the oxide apertures present in the devices and fringe locations are compared to Fraunhofer theory. The fraction of power diffracted from the lasing mode remains roughly constant as a function of relative pump rate, but is shown to depend on both transverse mode order and oxide aperture size. © 1999 American Institute of Physics.
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Pascal:99-0381403Le document en format XML
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<author><name sortKey="Roos, P A" uniqKey="Roos P">P. A. Roos</name>
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<affiliation wicri:level="2"><inist:fA14 i1="02"><s1>University of North Carolina at Charlotte, Department of Physics, Charlotte, North Carolina 28223</s1>
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<wicri:cityArea>University of North Carolina at Charlotte, Department of Physics, Charlotte</wicri:cityArea>
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<author><name sortKey="Carlsten, J L" uniqKey="Carlsten J">J. L. Carlsten</name>
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<author><name sortKey="Kilper, D C" uniqKey="Kilper D">D. C. Kilper</name>
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<author><name sortKey="Lear, K L" uniqKey="Lear K">K. L. Lear</name>
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<term>Apertures</term>
<term>Diffraction</term>
<term>Experimental study</term>
<term>Fraunhofer diffraction</term>
<term>Gallium arsenides</term>
<term>III-V semiconductors</term>
<term>Indium compounds</term>
<term>Laser cavities</term>
<term>Laser cavity resonators</term>
<term>Laser modes</term>
<term>Optical losses</term>
<term>Oxides</term>
<term>Quantum well lasers</term>
<term>Semiconductor lasers</term>
<term>Surface emitting lasers</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>4260J</term>
<term>4255P</term>
<term>4260D</term>
<term>4225F</term>
<term>Etude expérimentale</term>
<term>Laser semiconducteur</term>
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<term>Petite ouverture</term>
<term>Aluminium arséniure</term>
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<term>Oxyde</term>
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<term>Laser émission surface</term>
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<front><div type="abstract" xml:lang="en">Direct measurement of scattered fields from oxide confinement apertures in vertical-cavity lasers is presented. Diffraction fringes associated with each transverse lasing mode are detected in the far field from devices with varying oxide aperture dimensions and with quantum efficiencies as high as 48%. The diffracted pattern symmetries match the rectangular symmetry of the oxide apertures present in the devices and fringe locations are compared to Fraunhofer theory. The fraction of power diffracted from the lasing mode remains roughly constant as a function of relative pump rate, but is shown to depend on both transverse mode order and oxide aperture size. © 1999 American Institute of Physics.</div>
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<fA14 i1="01"><s1>Montana State University, Department of Physics, Bozeman, Montana 59717</s1>
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<fA14 i1="02"><s1>University of North Carolina at Charlotte, Department of Physics, Charlotte, North Carolina 28223</s1>
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