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Exploring two-dimensional electron gases with two-dimensional Fourier transform spectroscopy

Journal Article · · Journal of Chemical Physics
DOI:https://doi.org/10.1063/1.4896777· OSTI ID:1083698
 [1];  [1];  [2];  [3];  [2];  [1]
  1. Univ. of South Florida, Tampa, FL (United States)
  2. Univ. of Alabama at Birmingham, Birmingham, AL (United States)
  3. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

The dephasing of excitons in a modulation doped single quantum well was carefully measured using time integrated four-wave mixing (FWM) and two-dimensional Fourier transform (2DFT) spectroscopy. These are the first 2DFT measurements performed on a modulation doped single quantum well. The inhomogeneous and homogeneous excitonic line widths were obtained from the diagonal and cross-diagonal profiles of the 2DFT spectra. The laser excitation density and temperature were varied and 2DFT spectra were collected. A very rapid increase of the dephasing decay, and as a result, an increase in the cross-diagonal 2DFT linewidths with temperature was observed. Furthermore, the lineshapes of the 2DFT spectra suggest the presence of excitation induced dephasing and excitation induced shift.

Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1083698
Alternate ID(s):
OSTI ID: 1223047
OSTI ID: 22436564
Report Number(s):
SAND--2013-4782J; 456279
Journal Information:
Journal of Chemical Physics, Journal Name: Journal of Chemical Physics Journal Issue: 13 Vol. 141; ISSN JCPSA6; ISSN 0021-9606
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

References (159)

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Role of excitation-induced shift in the coherent optical response of semiconductors journal July 2002
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Transient nonlinear optical response from excitation induced dephasing in GaAs journal August 1993
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Excitons in Degenerate Semiconductors journal January 1967
Excitons in Metals: Infinite Hole Mass journal November 1967
Transient four-wave-mixing line shapes: Effects of excitation-induced dephasing journal March 1994
Quantized Hall conductivity in two dimensions journal May 1981
Photoluminescence study of a dilute two-dimensional electron gas in GaAs − Al x Ga 1 − x As quantum wells journal November 1986
Optical dephasing of homogeneously broadened two-dimensional exciton transitions in GaAs quantum wells journal December 1986
Luminescence of multiple modulation-doped GaAs- Al x Ga 1 − x As heterojunctions in high magnetic fields journal February 1987
Many-body aspects of the optical spectra of bulk and low-dimensional doped semiconductors journal May 1987
Optical transmission spectroscopy of the two-dimensional electron gas in GaAs in the quantum hall regime journal November 1988
Coupling of excitons with free electrons in light scattering from GaAs quantum wells journal March 1989
Localization and many-body interactions in the quantum Hall effect determined by polarized optical emission journal August 1991
Suppression of ground-state optical recombination in the quantum Hall regime journal March 1992
Influence of exciton-exciton interactions on the coherent optical response in GaAs quantum wells journal December 1993
Excitation and polarization effects in semiconductor four-wave-mixing spectroscopy journal May 1994
Evidence of biexcitonic contributions to four-wave mixing in GaAs quantum wells journal November 1994
Disorder mediated biexcitonic beats in semiconductor quantum wells journal August 1996
Fermi-edge singularities in photoluminescence from modulation-doped GaAs quantum wells journal August 1997
Effect of magnetoexciton correlations on the coherent emission of semiconductors journal August 1999
Exciton-acoustic-phonon linewidths in GaAs bulk and quantum wells journal March 2002
Quasi-two-dimensional excitons in finite magnetic fields journal May 2002
Role of excitation-induced shift in the coherent optical response of semiconductors journal July 2002
Coulomb correlations in a two-dimensional electron gas in large magnetic fields journal November 2002
Ultrafast nonlinear optical response of strongly correlated systems: Dynamics in the quantum Hall effect regime journal January 2003
Two-dimensional optical spectroscopy of excitons in semiconductor quantum wells: Liouville-space pathway analysis journal March 2007
Revealing exciton-exciton couplings in semiconductors using multidimensional four-wave mixing signals journal February 2008
Observation of an inter-Landau level quantum coherence in semiconductor quantum wells journal July 2008
Transient terahertz spectroscopy of excitons and unbound carriers in quasi-two-dimensional electron-hole gases journal January 2009
Polarization dependence of semiconductor exciton and biexciton contributions to phase-resolved optical two-dimensional Fourier-transform spectra journal April 2009
Quantum beats due to excitonic ground-state splitting in colloidal quantum dots journal September 2012
Spin Texture and Magnetoroton Excitations at ν = 1 / 3 journal January 2008
Two-Dimensional Correlation Spectroscopy of Two-Exciton Resonances in Semiconductor Quantum Wells journal February 2008
First-Order Quantum Phase Transition of Excitons in Quantum Hall Bilayers journal January 2009
Two-Quantum Many-Body Coherences in Two-Dimensional Fourier-Transform Spectra of Exciton Resonances in Semiconductor Quantum Wells journal March 2010
Higher-Energy Composite Fermion Levels in the Fractional Quantum Hall Effect journal March 2011
Rapid Collapse of Spin Waves in Nonuniform Phases of the Second Landau Level journal May 2011
Coherent Coupling of Excitons and Trions in a Photoexcited CdTe/CdMgTe Quantum Well journal March 2014
Infrared and polarization anomalies in the optical spectra of modulation-doped semiconductor quantum-well structures journal February 1986
Observation of a Many-Body Edge Singularity in Quantum-Well Luminescence Spectra journal May 1987
Many-Body Effects in a Modulation-Doped Semiconductor Quantum Well journal December 1987
Observation of roton density of states in two-dimensional Landau-level excitations journal December 1988
Optical Anomalies of the Two-Dimensional Electron Gas in the Extreme Magnetic Quantum Limit journal August 1988
Exchange enhancement of a spin-polarized 2D electron gas determined by optical-absorption spectroscopy journal September 1989
Large exchange interactions in the electron gas of GaAs quantum wells journal October 1989
Magneto-optical evidence for fractional quantum Hall states down to filling factor 1/9 journal August 1990
Effects of coherent polarization interactions on time-resolved degenerate four-wave mixing journal September 1990
Optical detection of the integer and fractional quantum Hall effects in GaAs journal July 1990
Optical investigations of the integer and fractional quantum Hall effects: Energy plateaus, intensity minima, and line splitting in band-gap emission journal July 1990
Giant excitonic resonance in time-resolved four-wave mixing in quantum wells journal February 1992
Carrier-carrier scattering in a degenerate electron system: Strong inhibition of scattering near the Fermi edge journal May 1992
Spectroscopic measurement of large exchange enhancement of a spin-polarized 2D electron gas journal June 1992
Observation of collective excitations in the fractional quantum Hall effect journal June 1993
Transient nonlinear optical response from excitation induced dephasing in GaAs journal August 1993
Absence of spin-density excitations in quasi two-dimensional electron systems journal March 1994
Collapse of Spin Excitations in Quantum Hall States of Coupled Electron Double Layers journal January 1997
Collective Excitations in the Dilute 2D Electron System journal March 1999
Electronic Dephasing in the Quantum Hall Regime journal November 1999
Inelastic Light Scattering by Gap Excitations of Fractional Quantum Hall States at 1 / 3 ≤ ν ≤ 2 / 3 journal January 2000
Observation of Multiple Magnetorotons in the Fractional Quantum Hall Effect journal March 2001
Observation of Magnetically Induced Effective-Mass Enhancement of Quasi-2D Excitons journal November 2001
Dynamics of Inter-Landau-Level Excitations of a Two-Dimensional Electron Gas in the Quantum Hall Regime journal July 2002
Evidence of Landau Levels and Interactions in Low-Lying Excitations of Composite Fermions at 1 / 3 ≤ ν ≤ 2 / 5 journal January 2003
Observation of Soft Magnetorotons in Bilayer Quantum Hall Ferromagnets journal June 2003
Crossover and Coexistence of Quasiparticle Excitations in the Fractional Quantum Hall Regime at ν ≤ 1 / 3 journal October 2003
Observation of Collapse of Pseudospin Order in Bilayer Quantum Hall Ferromagnets journal April 2005
Composite-Fermion Spin Excitations as ν Approaches 1 / 2 : Interactions in the Fermi Sea journal July 2005
Many-Body Interactions in Semiconductors Probed by Optical Two-Dimensional Fourier Transform Spectroscopy journal February 2006
Transition from Free to Interacting Composite Fermions away from ν = 1 / 3 journal July 2006
Ultrafast Dynamics of Coherences in a Quantum Hall System journal August 2006
Colloquium: Topological insulators journal November 2010
Coherent spectroscopy of semiconductors journal January 2008

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