The Experts below are selected from a list of 204 Experts worldwide ranked by ideXlab platform
W. Schaefer - One of the best experts on this subject based on the ideXlab platform.
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Femtosecond time‐resolved Free‐Induction Decay of room‐temperature excitons in GaAs quantum wells
Applied Physics Letters, 1992Co-Authors: M.-a. Mycek, Shimon Weiss, J.-y. Bigot, S. Schmitt-rink, Daniel S. Chemla, W. SchaeferAbstract:We directly resolve the femtosecond Free‐Induction Decay of excitons in GaAs quantum wells at room temperature by upconverting the diffracted signal from a transient four‐wave‐mixing experiment. At high laser intensities, we find significant deviations from the temporal evolution of the time‐integrated and peak amplitude signals, which we attribute to many‐body Coulomb effects.
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femtosecond time resolved Free Induction Decay of room temperature excitons in gaas quantum wells
Applied Physics Letters, 1992Co-Authors: M.-a. Mycek, Shimon Weiss, J.-y. Bigot, S Schmittrink, D S Chemla, W. SchaeferAbstract:We directly resolve the femtosecond Free‐Induction Decay of excitons in GaAs quantum wells at room temperature by upconverting the diffracted signal from a transient four‐wave‐mixing experiment. At high laser intensities, we find significant deviations from the temporal evolution of the time‐integrated and peak amplitude signals, which we attribute to many‐body Coulomb effects.
M.-a. Mycek - One of the best experts on this subject based on the ideXlab platform.
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Collective effects in excitonic Free Induction Decay: Do semiconductors and atoms emit coherent light in different ways?
Physical review letters, 1992Co-Authors: Shimon Weiss, M.-a. Mycek, J.-y. Bigot, S. Schmitt-rink, Daniel S. ChemlaAbstract:We show that the many-body interactions among excitons govern the temporal line shape of the coherent (Free Induction Decay) emission from semiconductor quantum walls. At low exciton densities, they become the dominant contribution to the emission.
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Femtosecond time‐resolved Free‐Induction Decay of room‐temperature excitons in GaAs quantum wells
Applied Physics Letters, 1992Co-Authors: M.-a. Mycek, Shimon Weiss, J.-y. Bigot, S. Schmitt-rink, Daniel S. Chemla, W. SchaeferAbstract:We directly resolve the femtosecond Free‐Induction Decay of excitons in GaAs quantum wells at room temperature by upconverting the diffracted signal from a transient four‐wave‐mixing experiment. At high laser intensities, we find significant deviations from the temporal evolution of the time‐integrated and peak amplitude signals, which we attribute to many‐body Coulomb effects.
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femtosecond time resolved Free Induction Decay of room temperature excitons in gaas quantum wells
Applied Physics Letters, 1992Co-Authors: M.-a. Mycek, Shimon Weiss, J.-y. Bigot, S Schmittrink, D S Chemla, W. SchaeferAbstract:We directly resolve the femtosecond Free‐Induction Decay of excitons in GaAs quantum wells at room temperature by upconverting the diffracted signal from a transient four‐wave‐mixing experiment. At high laser intensities, we find significant deviations from the temporal evolution of the time‐integrated and peak amplitude signals, which we attribute to many‐body Coulomb effects.
Howe-siang Tan - One of the best experts on this subject based on the ideXlab platform.
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perturbed Free Induction Decay in ultrafast mid ir pump probe spectroscopy
Chemical Physics Letters, 2011Co-Authors: Suxia Yan, Marco T. Seidel, Howe-siang TanAbstract:Abstract We studied theoretically and experimentally, the perturbed Free Induction Decay phenomenon for an anharmonic vibrational system in degenerate IR pump–probe experiments. We derived the theory for the perturbed Free Induction Decay using perturbation theory in the interaction picture for the fundamental and overtone transitions. Degenerate broadband mid-IR (MIR) pump–probe experiments on W ( CO ) 6 were carried out to measure transient absorption spectra and kinetic signals at negative time delays, respectively. The experimental measurements were compared and fitted with the presented theory, showing excellent agreement.
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Perturbed Free Induction Decay in ultrafast mid-IR pump–probe spectroscopy
Chemical Physics Letters, 2011Co-Authors: Suxia Yan, Marco T. Seidel, Howe-siang TanAbstract:Abstract We studied theoretically and experimentally, the perturbed Free Induction Decay phenomenon for an anharmonic vibrational system in degenerate IR pump–probe experiments. We derived the theory for the perturbed Free Induction Decay using perturbation theory in the interaction picture for the fundamental and overtone transitions. Degenerate broadband mid-IR (MIR) pump–probe experiments on W ( CO ) 6 were carried out to measure transient absorption spectra and kinetic signals at negative time delays, respectively. The experimental measurements were compared and fitted with the presented theory, showing excellent agreement.
Shimon Weiss - One of the best experts on this subject based on the ideXlab platform.
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Collective effects in excitonic Free Induction Decay: Do semiconductors and atoms emit coherent light in different ways?
Physical review letters, 1992Co-Authors: Shimon Weiss, M.-a. Mycek, J.-y. Bigot, S. Schmitt-rink, Daniel S. ChemlaAbstract:We show that the many-body interactions among excitons govern the temporal line shape of the coherent (Free Induction Decay) emission from semiconductor quantum walls. At low exciton densities, they become the dominant contribution to the emission.
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Femtosecond time‐resolved Free‐Induction Decay of room‐temperature excitons in GaAs quantum wells
Applied Physics Letters, 1992Co-Authors: M.-a. Mycek, Shimon Weiss, J.-y. Bigot, S. Schmitt-rink, Daniel S. Chemla, W. SchaeferAbstract:We directly resolve the femtosecond Free‐Induction Decay of excitons in GaAs quantum wells at room temperature by upconverting the diffracted signal from a transient four‐wave‐mixing experiment. At high laser intensities, we find significant deviations from the temporal evolution of the time‐integrated and peak amplitude signals, which we attribute to many‐body Coulomb effects.
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femtosecond time resolved Free Induction Decay of room temperature excitons in gaas quantum wells
Applied Physics Letters, 1992Co-Authors: M.-a. Mycek, Shimon Weiss, J.-y. Bigot, S Schmittrink, D S Chemla, W. SchaeferAbstract:We directly resolve the femtosecond Free‐Induction Decay of excitons in GaAs quantum wells at room temperature by upconverting the diffracted signal from a transient four‐wave‐mixing experiment. At high laser intensities, we find significant deviations from the temporal evolution of the time‐integrated and peak amplitude signals, which we attribute to many‐body Coulomb effects.
J.-y. Bigot - One of the best experts on this subject based on the ideXlab platform.
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Collective effects in excitonic Free Induction Decay: Do semiconductors and atoms emit coherent light in different ways?
Physical review letters, 1992Co-Authors: Shimon Weiss, M.-a. Mycek, J.-y. Bigot, S. Schmitt-rink, Daniel S. ChemlaAbstract:We show that the many-body interactions among excitons govern the temporal line shape of the coherent (Free Induction Decay) emission from semiconductor quantum walls. At low exciton densities, they become the dominant contribution to the emission.
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Femtosecond time‐resolved Free‐Induction Decay of room‐temperature excitons in GaAs quantum wells
Applied Physics Letters, 1992Co-Authors: M.-a. Mycek, Shimon Weiss, J.-y. Bigot, S. Schmitt-rink, Daniel S. Chemla, W. SchaeferAbstract:We directly resolve the femtosecond Free‐Induction Decay of excitons in GaAs quantum wells at room temperature by upconverting the diffracted signal from a transient four‐wave‐mixing experiment. At high laser intensities, we find significant deviations from the temporal evolution of the time‐integrated and peak amplitude signals, which we attribute to many‐body Coulomb effects.
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femtosecond time resolved Free Induction Decay of room temperature excitons in gaas quantum wells
Applied Physics Letters, 1992Co-Authors: M.-a. Mycek, Shimon Weiss, J.-y. Bigot, S Schmittrink, D S Chemla, W. SchaeferAbstract:We directly resolve the femtosecond Free‐Induction Decay of excitons in GaAs quantum wells at room temperature by upconverting the diffracted signal from a transient four‐wave‐mixing experiment. At high laser intensities, we find significant deviations from the temporal evolution of the time‐integrated and peak amplitude signals, which we attribute to many‐body Coulomb effects.
