Coherent Control of Absorption and Polarization Decay in a GaAs Quantum Well: Time and Spectral Domain Studies

Yee, Dae-Su; Yee, Ki‐Ju; Hohng, S. C.; Kim, D. S.; Meier, Torsten; Koch, Stefan

doi:10.1103/physrevlett.84.3474

Cited by 34 publications

(17 citation statements)

References 18 publications

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“…A maximized signal of the polarization corresponds to a strong induced absorption of the second pulse thus resulting in a minimum of the signal at upc 0ps t = . Similar results with the simultaneous excitation of hh and lh excitonic polarizations have also been obtained by another group on a GaAs based quantum well sample and successfully modeled within the framework of linear optics [12].…”

Section: Coherent Control Of Linear Excitonic Polarizationsupporting

confidence: 75%

“…By constructive interference certain excitation channels which are situated within the spectral profile of the excitation pulses can be enhanced whereas other unwanted loss channels can be suppressed by destructive interference which is invoked by a coherent-control scheme. One of the conceptually easiest coherent-control experiments in the range of linear excitonic polarization is to send the phase-locked pulse pairs through a sample and afterwards analyze their temporal shape, e.g., by use of an up-conversion technique for different but fixed values of the inter-pulse delay time int t [12][13][14]. In this way, a signal generated by the resulting coherent excitonic polarization can be measured in addition to the signal generated by the laser pulses themselves.…”

Section: Coherent Control Of Linear Excitonic Polarizationmentioning

confidence: 99%

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Coherent control of excitonic excitations in II–VI quantum wells

Voss

Breunig

Rückmann

et al. 2006

Physica Status Solidi (b)

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We present results of experimental work in which the coherent-control technique has been applied to study the coherent manipulation of excitonic polarization in ZnSe quantum-well samples. We will introduce the linear control of excitonic polarization in pulse-transmission experiments and afterwards focus on the question if and how the optical transition from the excitonic states to the bound-biexciton state can be subject to a directed coherent control. The experimental results will be compared to simulations based on a microscopic theory and will also be explained on the base of a phenomenological few-level model. The overall suitability of coherent control for the investigation of exciton systems in low-dimensional wide-gap materials will be discussed.

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Section: Coherent Control Of Linear Excitonic Polarizationsupporting

confidence: 75%

Section: Coherent Control Of Linear Excitonic Polarizationmentioning

confidence: 99%

Coherent control of excitonic excitations in II–VI quantum wells

Voss

Breunig

Rückmann

et al. 2006

Physica Status Solidi (b)

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“…1͑b͒. 23,24 A continuous-wave beam from a He-Ne laser ͓depicted as dashed line in Fig. 1͑b͔͒ was used for feedback and the femtosecond pulses with a center wavelength of 800 nm from a Ti:sapphire oscillator were used as the excitation light source ͓depicted as solid line in Fig.…”

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confidence: 99%

Directional control of surface plasmon polariton waves propagating through an asymmetric Bragg resonator

et al. 2009

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Articles you may be interested inPropagation and enhancement of ultraviolet radiation in metal-dielectric nanocables assisted by surface plasmon polaritons Appl. Phys. Lett. 102, 171601 (2013); 10.1063/1.4803463 Efficient unidirectional generation of surface plasmon polaritons with asymmetric single-nanoslit Appl. Phys. Lett. 97, 041113 (2010); 10.1063/1.3472251 Low-frequency surface plasmon polaritons propagating along a metal film with periodic cut-through slits in symmetric or asymmetric environments J. Appl. Phys. 105, 013704 (2009); 10.1063/1.3055395 Tailoring surface plasmon polariton propagation via specific symmetry properties of nanostructures Appl. Phys. Lett. 91, 203109 (2007); 10.1063/1.2806224 Bragg scattering of surface plasmon polaritons on extraordinary transmission through silver periodic perforated hole arrays

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“…The control can be achieved by generating a collinear pair of laser pulses with a relative phase being tuneable with a resolution of just a fraction of the excitation wavelength [4][5][6]. This method offers the possibility to switch continuously between destructive and constructive interference for different excitations in the sample [7].…”

mentioning

confidence: 99%

Simultaneous optical coherent control of excitonic and biexcitonic polarization in a ZnSe quantum well

Voss

Breunig

Rückmann

et al. 2003

phys. stat. sol. (c)

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The optical coherent-control technique is used to study biexcitonic effects in the four-wave-mixing signal of a ZnSe single quantum well. The signal is analyzed in both directions 2k 1 À k 2 and 2k 2 À k 1 which are not equivalent if a pulse pair is applied from direction k 1 to achieve coherent control of the induced polarization. It is shown that the coherent control enables a selective enhancement or suppression of the contribution at the exciton and biexciton resonance to the signal, respectively, but only for certain sequences of the excitation pulses. Further, the suppression of exciton-biexciton beats in the signal as a function of t del by a selective destruction of the biexciton polarization is demonstrated.1 Introduction Optical coherent-control techniques have been widely used in the last few years since they offer the possibility to manipulate quantum-mechanical excitations with regard to both their amplitudes and relative phases [1][2][3]. The control can be achieved by generating a collinear pair of laser pulses with a relative phase being tuneable with a resolution of just a fraction of the excitation wavelength [4][5][6]. This method offers the possibility to switch continuously between destructive and constructive interference for different excitations in the sample [7]. Thus, optical coherent control provides an outstanding technique to separate between certain spectral contributions in the signal by selectively exciting only one or just a few resonances in the sample. Clearly, this argument holds for all systems containing resonances which are not coupled to each other. In the case of exciton and biexciton polarization, however, one has to deal with two resonances which are strongly coupled since a bound biexciton is composed of two excitons with opposite spins. Because of this it is not a priori clear whether the excitonic and biexcitonic contributions in a four-wave-mixing signal can be separated by applying an optical coherent-control technique. Recently, we have shown the separate coherent control of exciton and biexciton four-wave-mixing polarization by observing a phase shift between the signals at the two resonances corresponding to their energenic separation [8]. Here, we extend this work to a more general case where different sequences of the excitation pulses are used and the resulting four-wave-mixing signals are studied spectrally resolved in both directions 2k 1 À k 2 and 2k 2 À k 1 as a function of the delay time t del .

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Coherent Control of Absorption and Polarization Decay in a GaAs Quantum Well: Time and Spectral Domain Studies

Cited by 34 publications

References 18 publications

Coherent control of excitonic excitations in II–VI quantum wells

Coherent control of excitonic excitations in II–VI quantum wells

Directional control of surface plasmon polariton waves propagating through an asymmetric Bragg resonator

Simultaneous optical coherent control of excitonic and biexcitonic polarization in a ZnSe quantum well

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