Observation of an anomalously large blueshift of the photoluminescence peak and evidence of band-gap renormalization in InP/InAs/InP quantum wires
Identifieur interne : 00FE68 ( Main/Repository ); précédent : 00FE67; suivant : 00FE69Observation of an anomalously large blueshift of the photoluminescence peak and evidence of band-gap renormalization in InP/InAs/InP quantum wires
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Abstract
We have investigated polarization-dependent photoluminescence in InP/InAs/InP quantum wires directly formed on the top of InP substrates. With excitation laser intensity we have observed an anomalously large blueshift of the photoluminescence peak using a cw laser with extremely low intensities. We have also observed evidence of band-gap renormalization. In addition, we have measured two-photon luminescence spectra and confirmed their dependence on photoluminescence polarization. © 2001 American Institute of Physics.
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Zotova</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Physics, University of Arkansas, Fayetteville, Arkansas 72701</s1><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country xml:lang="fr">États-Unis</country><placeName><region type="state">Arkansas</region></placeName><wicri:cityArea>Department of Physics, University of Arkansas, Fayetteville</wicri:cityArea></affiliation></author><author><name sortKey="Ding, Yujie J" uniqKey="Ding Y">Yujie J. 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Salamo</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Physics, University of Arkansas, Fayetteville, Arkansas 72701</s1><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country xml:lang="fr">États-Unis</country><placeName><region type="state">Arkansas</region></placeName><wicri:cityArea>Department of Physics, University of Arkansas, Fayetteville</wicri:cityArea></affiliation></author></titleStmt><publicationStmt><idno type="inist">01-0336889</idno><date when="2001-08-20">2001-08-20</date><idno type="stanalyst">PASCAL 01-0336889 AIP</idno><idno type="RBID">Pascal:01-0336889</idno><idno type="wicri:Area/Main/Corpus">010C53</idno><idno type="wicri:Area/Main/Repository">00FE68</idno></publicationStmt><seriesStmt><idno type="ISSN">0003-6951</idno><title level="j" type="abbreviated">Appl. phys. lett.</title><title level="j" type="main">Applied physics letters</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Energy gap</term><term>Experimental study</term><term>III-V semiconductors</term><term>Indium compounds</term><term>Optical polarization</term><term>Photoluminescence</term><term>Renormalization</term><term>Semiconductor quantum wires</term><term>Spectral shift</term><term>Two-photon spectra</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>7855C</term><term>7867L</term><term>7321H</term><term>Etude expérimentale</term><term>Indium composé</term><term>Semiconducteur III-V</term><term>Fil quantique semiconducteur</term><term>Photoluminescence</term><term>Déplacement spectral</term><term>Renormalisation</term><term>Bande interdite</term><term>Polarisation optique</term><term>Spectre 2 photons</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We have investigated polarization-dependent photoluminescence in InP/InAs/InP quantum wires directly formed on the top of InP substrates. With excitation laser intensity we have observed an anomalously large blueshift of the photoluminescence peak using a cw laser with extremely low intensities. We have also observed evidence of band-gap renormalization. In addition, we have measured two-photon luminescence spectra and confirmed their dependence on photoluminescence polarization. © 2001 American Institute of Physics.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0003-6951</s0></fA01><fA02 i1="01"><s0>APPLAB</s0></fA02><fA03 i2="1"><s0>Appl. phys. lett.</s0></fA03><fA05><s2>79</s2></fA05><fA06><s2>8</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Observation of an anomalously large blueshift of the photoluminescence peak and evidence of band-gap renormalization in InP/InAs/InP quantum wires</s1></fA08><fA11 i1="01" i2="1"><s1>MU (Xiaodong)</s1></fA11><fA11 i1="02" i2="1"><s1>ZOTOVA (Ioulia B.)</s1></fA11><fA11 i1="03" i2="1"><s1>DING (Yujie J.)</s1></fA11><fA11 i1="04" i2="1"><s1>YANG (Haeyeon)</s1></fA11><fA11 i1="05" i2="1"><s1>SALAMO (Gregory J.)</s1></fA11><fA14 i1="01"><s1>Department of Physics, University of Arkansas, Fayetteville, Arkansas 72701</s1><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></fA14><fA20><s1>1091-1093</s1></fA20><fA21><s1>2001-08-20</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>10020</s2></fA43><fA44><s0>8100</s0><s1>© 2001 American Institute of Physics. All rights reserved.</s1></fA44><fA47 i1="01" i2="1"><s0>01-0336889</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Applied physics letters</s0></fA64><fA66 i1="01"><s0>USA</s0></fA66><fC01 i1="01" l="ENG"><s0>We have investigated polarization-dependent photoluminescence in InP/InAs/InP quantum wires directly formed on the top of InP substrates. With excitation laser intensity we have observed an anomalously large blueshift of the photoluminescence peak using a cw laser with extremely low intensities. We have also observed evidence of band-gap renormalization. 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