IndiumV3, Russie, Analysis, bibRecord, 000351

Polarization spectroscopy of positive and negative trions in an InAs quantum dot

Identifieur interne : 000351 ( Russie/Analysis ); précédent : 000350; suivant : 000352

Polarization spectroscopy of positive and negative trions in an InAs quantum dot

Auteurs : RBID : Pascal:05-0153583

Descripteurs français

Pascal (Inist)
- Polarisation circulaire, Trion, Photoluminescence, Barrière Schottky, Exciton, Recombinaison radiative, Spectre excitation, Structure fine, Etat triplet, Indium arséniure, Semiconducteur, Point quantique, Composé binaire, Gallium arséniure, Couche autoassemblée, As In, InAs, As Ga, GaAs, 7867B, 7321L.

English descriptors

KwdEn :
- Binary compounds, Circular polarization, Excitation spectrum, Excitons, Fine structure, Gallium arsenides, Indium arsenides, Photoluminescence, Quantum dots, Radiative recombination, Schottky barriers, Self-assembled layers, Semiconductor materials, Trion, Triplet state.

Abstract

Using polarization-sensitive photoluminescence and photoluminescence excitation spectroscopy, we study single InAs/GaAs self-assembled quantum dots. The dots were embedded in an n-type, Schottky diode structure allowing for control of the charge state. We present here the exciton, singly charged exciton (positive and negative trions), and the twice negatively charged exciton. For non-resonant excitation below the wetting layer, we observed a large degree of polarization memory from the radiative recombination of both the positive and negative trions. In excitation spectra, through the p-shell, we have found several sharp resonances in the emission from the s-shell recombination of the dot in all charged states. Some of these excitation resonances exhibit strong coulomb shifts upon addition of charges into the quantum dot. One particular resonance of the negatively charged trion was found to exhibit a fine structure doublet under circular polarization. This observation is explained in terms of resonant absorption into the triplet states of the negative trion.

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Pascal:05-0153583

Le document en format XML

<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Polarization spectroscopy of positive and negative trions in an InAs quantum dot</title>
<author><name sortKey="Ware, Morgan E" uniqKey="Ware M">Morgan E. Ware</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Natal Research Laboratory, 4555 Overlook Ave.</s1>
<s2>SW, Washington DC 20375</s2>
<s3>USA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>SW, Washington DC 20375</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Bracker, Allan S" uniqKey="Bracker A">Allan S. Bracker</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Natal Research Laboratory, 4555 Overlook Ave.</s1>
<s2>SW, Washington DC 20375</s2>
<s3>USA</s3>
<sZ>1 aut.</sZ>
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<country>États-Unis</country>
<wicri:noRegion>SW, Washington DC 20375</wicri:noRegion>
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</author>
<author><name sortKey="Stinaff, Eric" uniqKey="Stinaff E">Eric Stinaff</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Natal Research Laboratory, 4555 Overlook Ave.</s1>
<s2>SW, Washington DC 20375</s2>
<s3>USA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
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<country>États-Unis</country>
<wicri:noRegion>SW, Washington DC 20375</wicri:noRegion>
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</author>
<author><name sortKey="Gammon, Daniel" uniqKey="Gammon D">Daniel Gammon</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Natal Research Laboratory, 4555 Overlook Ave.</s1>
<s2>SW, Washington DC 20375</s2>
<s3>USA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
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<country>États-Unis</country>
<wicri:noRegion>SW, Washington DC 20375</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Gershoni, David" uniqKey="Gershoni D">David Gershoni</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Physics Department, Technion-Israel Institute of Technology</s1>
<s2>Haifa 32000</s2>
<s3>ISR</s3>
<sZ>5 aut.</sZ>
</inist:fA14>
<country>Israël</country>
<wicri:noRegion>Haifa 32000</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Korenev, Vladimir L" uniqKey="Korenev V">Vladimir L. Korenev</name>
<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>A.F Ioffe Physical Technical Institute</s1>
<s2>St. Petersburg 194021</s2>
<s3>RUS</s3>
<sZ>6 aut.</sZ>
</inist:fA14>
<country>Russie</country>
<wicri:noRegion>A.F Ioffe Physical Technical Institute</wicri:noRegion>
</affiliation>
</author>
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<publicationStmt><idno type="inist">05-0153583</idno>
<date when="2005">2005</date>
<idno type="stanalyst">PASCAL 05-0153583 INIST</idno>
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<idno type="wicri:Area/Main/Corpus">00A545</idno>
<idno type="wicri:Area/Main/Repository">009709</idno>
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<seriesStmt><idno type="ISSN">1386-9477</idno>
<title level="j" type="abbreviated">Physica ( E) low-dimens.  syst.  nanostrut.</title>
<title level="j" type="main">Physica. E, low-dimentional systems and nanostructures</title>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Binary compounds</term>
<term>Circular polarization</term>
<term>Excitation spectrum</term>
<term>Excitons</term>
<term>Fine structure</term>
<term>Gallium arsenides</term>
<term>Indium arsenides</term>
<term>Photoluminescence</term>
<term>Quantum dots</term>
<term>Radiative recombination</term>
<term>Schottky barriers</term>
<term>Self-assembled layers</term>
<term>Semiconductor materials</term>
<term>Trion</term>
<term>Triplet state</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Polarisation circulaire</term>
<term>Trion</term>
<term>Photoluminescence</term>
<term>Barrière Schottky</term>
<term>Exciton</term>
<term>Recombinaison radiative</term>
<term>Spectre excitation</term>
<term>Structure fine</term>
<term>Etat triplet</term>
<term>Indium arséniure</term>
<term>Semiconducteur</term>
<term>Point quantique</term>
<term>Composé binaire</term>
<term>Gallium arséniure</term>
<term>Couche autoassemblée</term>
<term>As In</term>
<term>InAs</term>
<term>As Ga</term>
<term>GaAs</term>
<term>7867B</term>
<term>7321L</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">Using polarization-sensitive photoluminescence and photoluminescence excitation spectroscopy, we study single InAs/GaAs self-assembled quantum dots. The dots were embedded in an n-type, Schottky diode structure allowing for control of the charge state. We present here the exciton, singly charged exciton (positive and negative trions), and the twice negatively charged exciton. For non-resonant excitation below the wetting layer, we observed a large degree of polarization memory from the radiative recombination of both the positive and negative trions. In excitation spectra, through the p-shell, we have found several sharp resonances in the emission from the s-shell recombination of the dot in all charged states. Some of these excitation resonances exhibit strong coulomb shifts upon addition of charges into the quantum dot. One particular resonance of the negatively charged trion was found to exhibit a fine structure doublet under circular polarization. This observation is explained in terms of resonant absorption into the triplet states of the negative trion.</div>
</front>
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<fA05><s2>26</s2>
</fA05>
<fA06><s2>1-4</s2>
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<fA08 i1="01" i2="1" l="ENG"><s1>Polarization spectroscopy of positive and negative trions in an InAs quantum dot</s1>
</fA08>
<fA09 i1="01" i2="1" l="ENG"><s1>Quantum Dots 2004: Proceedings of the International Conference on Quantum Dots</s1>
</fA09>
<fA11 i1="01" i2="1"><s1>WARE (Morgan E.)</s1>
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<fA11 i1="02" i2="1"><s1>BRACKER (Allan S.)</s1>
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<fA11 i1="03" i2="1"><s1>STINAFF (Eric)</s1>
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<fA11 i1="04" i2="1"><s1>GAMMON (Daniel)</s1>
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<fA11 i1="05" i2="1"><s1>GERSHONI (David)</s1>
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<fA11 i1="06" i2="1"><s1>KORENEV (Vladimir L.)</s1>
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<fA12 i1="01" i2="1"><s1>AUSTING (D. G.)</s1>
<s9>ed.</s9>
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<fA12 i1="02" i2="1"><s1>HAWRYLAK (P.)</s1>
<s9>ed.</s9>
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<fA12 i1="03" i2="1"><s1>LOCKWOOD (D. J.)</s1>
<s9>ed.</s9>
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<fA12 i1="04" i2="1"><s1>SACHRAJDA (A. S.)</s1>
<s9>ed.</s9>
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<fA14 i1="01"><s1>Natal Research Laboratory, 4555 Overlook Ave.</s1>
<s2>SW, Washington DC 20375</s2>
<s3>USA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
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<fA14 i1="02"><s1>Physics Department, Technion-Israel Institute of Technology</s1>
<s2>Haifa 32000</s2>
<s3>ISR</s3>
<sZ>5 aut.</sZ>
</fA14>
<fA14 i1="03"><s1>A.F Ioffe Physical Technical Institute</s1>
<s2>St. Petersburg 194021</s2>
<s3>RUS</s3>
<sZ>6 aut.</sZ>
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<fA15 i1="01"><s1>NRC Institute for Microstructural Sciences</s1>
<s2>Ottawa, Ontario K1A OR6</s2>
<s3>CAN</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
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<sZ>4 aut.</sZ>
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<fA21><s1>2005</s1>
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<fA43 i1="01"><s1>INIST</s1>
<s2>145E</s2>
<s5>354000126246810110</s5>
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<fA44><s0>0000</s0>
<s1>© 2005 INIST-CNRS. All rights reserved.</s1>
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<fA60><s1>P</s1>
<s2>C</s2>
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</fA66>
<fC01 i1="01" l="ENG"><s0>Using polarization-sensitive photoluminescence and photoluminescence excitation spectroscopy, we study single InAs/GaAs self-assembled quantum dots. The dots were embedded in an n-type, Schottky diode structure allowing for control of the charge state. We present here the exciton, singly charged exciton (positive and negative trions), and the twice negatively charged exciton. For non-resonant excitation below the wetting layer, we observed a large degree of polarization memory from the radiative recombination of both the positive and negative trions. In excitation spectra, through the p-shell, we have found several sharp resonances in the emission from the s-shell recombination of the dot in all charged states. Some of these excitation resonances exhibit strong coulomb shifts upon addition of charges into the quantum dot. One particular resonance of the negatively charged trion was found to exhibit a fine structure doublet under circular polarization. This observation is explained in terms of resonant absorption into the triplet states of the negative trion.</s0>
</fC01>
<fC02 i1="01" i2="3"><s0>001B70H67B</s0>
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<fC02 i1="02" i2="3"><s0>001B70C21L</s0>
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<fC03 i1="01" i2="3" l="FRE"><s0>Polarisation circulaire</s0>
<s5>02</s5>
</fC03>
<fC03 i1="01" i2="3" l="ENG"><s0>Circular polarization</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="3" l="FRE"><s0>Trion</s0>
<s5>03</s5>
</fC03>
<fC03 i1="02" i2="3" l="ENG"><s0>Trion</s0>
<s5>03</s5>
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<fC03 i1="03" i2="3" l="FRE"><s0>Photoluminescence</s0>
<s5>04</s5>
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<s5>05</s5>
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<s5>05</s5>
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<s5>07</s5>
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<s5>07</s5>
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<s5>09</s5>
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<fC03 i1="06" i2="X" l="ENG"><s0>Radiative recombination</s0>
<s5>09</s5>
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<fC03 i1="06" i2="X" l="SPA"><s0>Recombinación radiativa</s0>
<s5>09</s5>
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<s5>10</s5>
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<fC03 i1="07" i2="X" l="ENG"><s0>Excitation spectrum</s0>
<s5>10</s5>
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<s5>11</s5>
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<s5>11</s5>
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<fC03 i1="09" i2="3" l="FRE"><s0>Etat triplet</s0>
<s5>12</s5>
</fC03>
<fC03 i1="09" i2="3" l="ENG"><s0>Triplet state</s0>
<s5>12</s5>
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<fC03 i1="10" i2="3" l="FRE"><s0>Indium arséniure</s0>
<s2>NK</s2>
<s5>15</s5>
</fC03>
<fC03 i1="10" i2="3" l="ENG"><s0>Indium arsenides</s0>
<s2>NK</s2>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="3" l="FRE"><s0>Semiconducteur</s0>
<s5>16</s5>
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<fC03 i1="11" i2="3" l="ENG"><s0>Semiconductor materials</s0>
<s5>16</s5>
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<fC03 i1="12" i2="3" l="FRE"><s0>Point quantique</s0>
<s5>17</s5>
</fC03>
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<s5>17</s5>
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<s5>18</s5>
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<fC03 i1="13" i2="3" l="ENG"><s0>Binary compounds</s0>
<s5>18</s5>
</fC03>
<fC03 i1="14" i2="3" l="FRE"><s0>Gallium arséniure</s0>
<s2>NK</s2>
<s5>19</s5>
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<fC03 i1="14" i2="3" l="ENG"><s0>Gallium arsenides</s0>
<s2>NK</s2>
<s5>19</s5>
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<fC03 i1="15" i2="3" l="FRE"><s0>Couche autoassemblée</s0>
<s5>20</s5>
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<s5>20</s5>
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<fC03 i1="16" i2="3" l="FRE"><s0>As In</s0>
<s4>INC</s4>
<s5>52</s5>
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<fC03 i1="17" i2="3" l="FRE"><s0>InAs</s0>
<s4>INC</s4>
<s5>53</s5>
</fC03>
<fC03 i1="18" i2="3" l="FRE"><s0>As Ga</s0>
<s4>INC</s4>
<s5>54</s5>
</fC03>
<fC03 i1="19" i2="3" l="FRE"><s0>GaAs</s0>
<s4>INC</s4>
<s5>55</s5>
</fC03>
<fC03 i1="20" i2="3" l="FRE"><s0>7867B</s0>
<s4>INC</s4>
<s5>56</s5>
</fC03>
<fC03 i1="21" i2="3" l="FRE"><s0>7321L</s0>
<s4>INC</s4>
<s5>57</s5>
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<s5>48</s5>
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<s5>48</s5>
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<fN21><s1>101</s1>
</fN21>
<fN44 i1="01"><s1>PSI</s1>
</fN44>
<fN82><s1>PSI</s1>
</fN82>
</pA>
<pR><fA30 i1="01" i2="1" l="ENG"><s1>QD2004 International Conference on Quantum Dots</s1>
<s3>Banff, Alberta CAN</s3>
<s4>2004-05-10</s4>
</fA30>
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</standard>
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   |texte=   Polarization spectroscopy of positive and negative trions in an InAs quantum dot
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Polarization spectroscopy of positive and negative trions in an InAs quantum dot

Polarization spectroscopy of positive and negative trions in an InAs quantum dot

Descripteurs français

English descriptors

Abstract

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Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri