Search Results - "Chemla, D. S"

Many-body and correlation effects in semiconductors by Shah, Jagdeep, Chemla, D. S

“…Solids consist of 1022-1023 particles per cubic centimetre, interacting through infinite-range Coulomb interactions. The linear response of a solid to a weak…”
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Macroscopically ordered state in an exciton system by Butov, L. V, Gossard, A. C, Chemla, D. S

“…There is a rich variety of quantum liquids-such as superconductors, liquid helium and atom Bose-Einstein condensates-that exhibit macroscopic coherence in the…”
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Towards Bose-Einstein condensation of excitons in potential traps by Butov, L. V, Lai, C. W, Ivanov, A. L, Gossard, A. C, Chemla, D. S

“…An exciton is an electron-hole bound pair in a semiconductor. In the low-density limit, it is a composite Bose quasi-particle, akin to the hydrogen atom. Just…”
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Ultrafast terahertz probes of transient conducting and insulating phases in an electron-hole gas by Kaindl, R. A, Carnahan, M. A, Hägele, D, Lövenich, R, Chemla, D. S

“…Many-body systems in nature exhibit complexity and self-organization arising from seemingly simple laws. For example, the long-range Coulomb interaction…”
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Formation mechanism and low-temperature instability of exciton rings by BUTOV, L. V, LEVITOV, L. S, MINTSEV, A. V, SIMONS, B. D, COSSARD, A. C, CHEMLA, D. S

“…The macroscopic rings observed in the photoluminescence patterns of excitons in coupled quantum wells are explained by a mechanism of carrier imbalance,…”
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Ultrafast enhancement of ferromagnetism via photoexcited holes in GaMnAs by Wang, J, Cotoros, I, Dani, K M, Liu, X, Furdyna, J K, Chemla, D S

“…We report on the observation of ultrafast photoenhanced ferromagnetism in GaMnAs. It is manifested as a transient magnetization increase on a 100 ps time…”
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Probing the Interaction between Two Single Molecules: Fluorescence Resonance Energy Transfer between a Single Donor and a Single Acceptor by Ha, T., Th. Enderle, Ogletree, D. F., Chemla, D. S., Selvin, P. R., Weiss, S.

“…We extend the sensitivity of fluorescence resonance energy transfer (FRET) to the single molecule level by measuring energy transfer between a single donor…”
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Phase Diagram of Degenerate Exciton Systems by Lai, C. W., Zoch, J., Gossard, A. C., Chemla, D. S.

“…Degenerate exciton systems have been produced in quasi-two-dimensional confined areas in semiconductor coupled quantum well structures. We observed…”
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Femtosecond THz studies of intra-excitonic transitions by Huber, R., Schmid, B. A., Kaindl, R. A., Chemla, D. S.

“…Few‐cycle THz pulses are employed to resonantly access the internal fine structure of photogenerated excitons in semiconductors, on the femtosecond time scale…”
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Observation of magnetically induced effective-mass enhancement of quasi-2D excitons by Butov, L V, Lai, C W, Chemla, D S, Lozovik, Y E, Campman, K L, Gossard, A C

“…We present the first measurements of the dispersion relation of a quasi-2D magnetoexciton. We demonstrate that the magnetoexciton effective mass is determined…”
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Membrane Specific Mapping and Colocalization of Malarial and Host Skeletal Proteins in the Plasmodium falciparum Infected Erythrocyte by Dual-Color Near-Field Scanning Optical Microscopy by Th. Enderle, Ha, T., Ogletree, D. F., Chemla, D. S., Magowan, C., Weiss, S.

“…Accurate localization of proteins within the substructure of cells and cellular organelles enables better understanding of structure-function relationships,…”
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Single Molecule Dynamics Studied by Polarization Modulation by Ha, T, Enderle, T, Chemla, S, Selvin, R, Weiss, S

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Ultrafast dynamics of coherences in a quantum Hall system by Dani, K M, Tignon, J, Breit, M, Chemla, D S, Kavousanaki, E G, Perakis, I E

“…Using three-pulse four-wave-mixing optical spectroscopy, we study the ultrafast dynamics of the quantum Hall system. We observe striking differences as…”
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Coherent Control of Electron-LO-Phonon Scattering in Bulk GaAs by Wehner, M. U., Ulm, M. H., Chemla, D. S., Wegener, M.

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Monitoring the Conformational Fluctuations of DNA Hairpins Using Single-Pair Fluorescence Resonance Energy Transfer by Grunwell, Jocelyn R, Glass, Jennifer L, Lacoste, Thilo D, Deniz, Ashok A, Chemla, Daniel S, Schultz, Peter G

“…We present single-pair fluorescence resonance energy transfer (spFRET) observations of individual opening and closing events of surface-immobilized DNA…”
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Dynamics of inter-landau-level excitations of a two-dimensional electron gas in the quantum Hall regime by Fromer, N A, Lai, C E, Chemla, D S, Perakis, I E, Driscoll, D, Gossard, A C

“…The femtosecond inter-Landau-level dynamics of a two-dimensional electron gas in a large magnetic field is investigated by degenerate four-wave mixing on…”
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Polariton-biexciton transitions in a semiconductor microcavity by Neukirch, U., Bolton, S., Fromer, N.A.

“…Summary form only given. Recent pump-and-probe measurements performed on the exciton-polariton in GaAs-based microcavities have been interpreted in terms of…”
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Collective effects in excitonic free induction decay : do semiconductors and atoms emit coherent light in different ways ? by WEISS, S, MYCEK, M.-A, BIGOT, J.-Y, SCHMITT-RINK, S, CHEMLA, D. S

“…The temporal profile of the free induction decay of quasi-2D excitons in GaAs quantum well has been resolved with a resolution of about 100 fs. The…”
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Coherence of Four-Particle Correlations in Semiconductors by Kner, P., Schäfer, W., Lövenich, R., Chemla, D. S.

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Collective excitations and the dynamical Stark effect in a coherently driven exciton system by SCHMITT-RINK, S, CHEMLA, D. S

“…A semiconductor of arbitrary dimension subject to a strong monochromatic laser beam in the transparency region below the exciton resonance is considered. The…”
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