Non-Lorentzian homogeneous lineshape in semiconductor quantum dots

W. Langbein, P. Borri, S. Schneider, B. Patton, U. Woggon, R. L. Sellin, D. Ouyong, D. Bimberg, K. Leonardi, D. Hommel

Research output: Contribution to conferencePaper

Abstract

The homogeneous broadening in InGaAs/GaAs and in CdSe/ZnSe quantum dots (QDs) was studied by measuring both decoherence times and lineshapes. Time-resolved four-wave mixing (FWM) on an inhomogeneously broadened dot ensemble, and single-dot photoluminescence (PL) spectroscopy was used. As a result, a nontrivial lineshape stimulating a novel understanding of the decoherence processes in these systems was achieved.

LanguageEnglish
Pages159
Number of pages1
Publication statusPublished - 1 Jan 2002
EventQuantum Electronics and Laser Science (QELS) 2002 - Long Beach, CA, United States
Duration: 19 May 200224 May 2002

Conference

ConferenceQuantum Electronics and Laser Science (QELS) 2002
CountryUnited States
CityLong Beach, CA
Period19/05/0224/05/02

Fingerprint

quantum dots
four-wave mixing
photoluminescence
spectroscopy

Keywords

  • Semiconductor quantum dots
  • electron transitions
  • four wave mixing
  • Fourier transforms
  • ground state
  • monolayers
  • phonons
  • photoluminescence
  • semiconducting cadmium compounds
  • single dot photoluminescence spectroscopy

Cite this

Langbein, W., Borri, P., Schneider, S., Patton, B., Woggon, U., Sellin, R. L., ... Hommel, D. (2002). Non-Lorentzian homogeneous lineshape in semiconductor quantum dots. 159. Paper presented at Quantum Electronics and Laser Science (QELS) 2002, Long Beach, CA, United States.
Langbein, W. ; Borri, P. ; Schneider, S. ; Patton, B. ; Woggon, U. ; Sellin, R. L. ; Ouyong, D. ; Bimberg, D. ; Leonardi, K. ; Hommel, D. / Non-Lorentzian homogeneous lineshape in semiconductor quantum dots. Paper presented at Quantum Electronics and Laser Science (QELS) 2002, Long Beach, CA, United States.1 p.
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keywords = "Semiconductor quantum dots, electron transitions, four wave mixing, Fourier transforms, ground state, monolayers, phonons, photoluminescence, semiconducting cadmium compounds, single dot photoluminescence spectroscopy",
author = "W. Langbein and P. Borri and S. Schneider and B. Patton and U. Woggon and Sellin, {R. L.} and D. Ouyong and D. Bimberg and K. Leonardi and D. Hommel",
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Langbein, W, Borri, P, Schneider, S, Patton, B, Woggon, U, Sellin, RL, Ouyong, D, Bimberg, D, Leonardi, K & Hommel, D 2002, 'Non-Lorentzian homogeneous lineshape in semiconductor quantum dots' Paper presented at Quantum Electronics and Laser Science (QELS) 2002, Long Beach, CA, United States, 19/05/02 - 24/05/02, pp. 159.

Non-Lorentzian homogeneous lineshape in semiconductor quantum dots. / Langbein, W.; Borri, P.; Schneider, S.; Patton, B.; Woggon, U.; Sellin, R. L.; Ouyong, D.; Bimberg, D.; Leonardi, K.; Hommel, D.

2002. 159 Paper presented at Quantum Electronics and Laser Science (QELS) 2002, Long Beach, CA, United States.

Research output: Contribution to conferencePaper

TY - CONF

T1 - Non-Lorentzian homogeneous lineshape in semiconductor quantum dots

AU - Langbein, W.

AU - Borri, P.

AU - Schneider, S.

AU - Patton, B.

AU - Woggon, U.

AU - Sellin, R. L.

AU - Ouyong, D.

AU - Bimberg, D.

AU - Leonardi, K.

AU - Hommel, D.

PY - 2002/1/1

Y1 - 2002/1/1

N2 - The homogeneous broadening in InGaAs/GaAs and in CdSe/ZnSe quantum dots (QDs) was studied by measuring both decoherence times and lineshapes. Time-resolved four-wave mixing (FWM) on an inhomogeneously broadened dot ensemble, and single-dot photoluminescence (PL) spectroscopy was used. As a result, a nontrivial lineshape stimulating a novel understanding of the decoherence processes in these systems was achieved.

AB - The homogeneous broadening in InGaAs/GaAs and in CdSe/ZnSe quantum dots (QDs) was studied by measuring both decoherence times and lineshapes. Time-resolved four-wave mixing (FWM) on an inhomogeneously broadened dot ensemble, and single-dot photoluminescence (PL) spectroscopy was used. As a result, a nontrivial lineshape stimulating a novel understanding of the decoherence processes in these systems was achieved.

KW - Semiconductor quantum dots

KW - electron transitions

KW - four wave mixing

KW - Fourier transforms

KW - ground state

KW - monolayers

KW - phonons

KW - photoluminescence

KW - semiconducting cadmium compounds

KW - single dot photoluminescence spectroscopy

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M3 - Paper

SP - 159

ER -

Langbein W, Borri P, Schneider S, Patton B, Woggon U, Sellin RL et al. Non-Lorentzian homogeneous lineshape in semiconductor quantum dots. 2002. Paper presented at Quantum Electronics and Laser Science (QELS) 2002, Long Beach, CA, United States.