Search Results - "Hey, Rudolf"
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1
Spatial coherence of a polariton condensate
Published in Physical review letters (21-09-2007)“…We perform Young's double-slit experiment to study the spatial coherence properties of a two-dimensional dynamic condensate of semiconductor microcavity…”
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Journal Article -
2
Quantum degenerate exciton-polaritons in thermal equilibrium
Published in Physical review letters (06-10-2006)“…We study the momentum distribution and relaxation dynamics of semiconductor microcavity polaritons by angle-resolved and time-resolved spectroscopy. Above a…”
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Journal Article -
3
Strong Amplification of Coherent Acoustic Phonons by Intraminiband Currents in a Semiconductor Superlattice
Published in Physical review letters (19-02-2016)“…Sound amplification in an electrically biased superlattice (SL) is studied in optical experiments with 100 fs time resolution. Coherent SL phonons with…”
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4
Coherent spin transport through dynamic quantum dots
Published in Nature materials (01-08-2005)“…Spin transport and manipulation in semiconductors have been studied intensively with the ultimate goal of realizing spintronic devices. Previous work in GaAs…”
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5
Surfaces and Interfaces of (Al, Ga) As Heterostructures on Unpatterned and Patterned GaAs Substrates
Published in Japanese Journal of Applied Physics (2000)“…The correlation between surface morphology and interface properties of (Al, Ga)As quantum wells (Qwell) grown by molecular-beam epitaxy on GaAs (100) and…”
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6
Dynamic exciton-polariton macroscopic coherent phases in a tunable dot lattice
Published in Physical review. B, Condensed matter and materials physics (25-09-2012)“…We report on the enhancement of the nonlinear properties of exciton-polariton macroscopic coherent phases created by resonant optical excitation under the…”
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7
Nonlinear electron transport in an electron-hole plasma
Published in Physical review. B, Condensed matter and materials physics (12-04-2012)“…Charge transport in an electron-hole plasma driven by high-field terahertz (THz) pulses is strongly influenced by electron-hole interactions, as has been shown…”
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8
Impurity-induced breakdown in GaAs with partially ordered Si-doping
Published in Japanese Journal of Applied Physics (1993)“…The static and dynamic current-voltage behaviour including the temperature and magnetic field dependence are investigated in GaAs with dopants arranged in…”
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Conference Proceeding Journal Article -
9
Efficient photon detectors using surface acoustic waves
Published in Physica. E, Low-dimensional systems & nanostructures (01-09-2010)“…An efficient photon detector based on the ambipolar transport of photogenerated electrons and holes by surface acoustic waves (SAWs) has been investigated. In…”
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Journal Article Conference Proceeding -
10
Evidence for magnetoplasmon character of the cyclotron resonance response of a two-dimensional electron gas
Published in Physical review. B, Condensed matter and materials physics (01-01-2007)“…Experimental results on the absolute magneto-transmission of a series of high density, high mobility GaAs quantum wells are compared with the predictions of a…”
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Journal Article -
11
Fröhlich mass in GaAs-based structures
Published in Physical review letters (12-03-2004)“…The Fröhlich interaction is one of the main electron-phonon intrinsic interactions in polar materials originating from the coupling of one itinerant electron…”
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12
Zeeman splitting and spin dynamics tuning by exciton charging in two-dimensional systems
Published in Physical review. B, Condensed matter and materials physics (22-11-2011)Get full text
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13
Amplification of coherent sub-terahertz phonons by interaction with drift currents in a semiconductor superlattice
Published in 2016 Conference on Lasers and Electro-Optics (CLEO) (01-06-2016)“…Femtosecond pump-probe experiments demonstrate a strong amplification of optically generated coherent phonons by interaction with an intra-miniband current in…”
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Conference Proceeding -
14
Coherent transport and manipulation of spins in indirect exciton nanostructures
Published 20-08-2014“…Phys. Rev. B 91, 125302 (2015) We report on the coherent control and transport of indirect exciton (IX) spins in GaAs double quantum well (DQW) nanostructures…”
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15
Weak Antilocalization in Si δ-Doped In x Ga 1-x As Systems
Published in Japanese Journal of Applied Physics (01-04-1997)“…We have investigated the transport properties of a quasi-two-dimensional electron gas in Si δ-doped In x Ga 1- x As/GaAs (001) systems with x =0.2 and 0.3 at T…”
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16
Weak antilocalization in Si δ-doped InxGa1-xAs systems
Published in Japanese journal of applied physics (01-04-1997)Get full text
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17
Magnetophonon resonance in high-density high-mobility quantum well systems
Published in Physical review. B, Condensed matter and materials physics (01-02-2004)“…We have investigated the magnetophonon resonance ~MPR! effect in a series of single GaAs quantum well samples which are symmetrically modulation doped in the…”
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Journal Article -
18
Spatial Coherence of a Polariton Condensate
Published 20-03-2007“…Phys. Rev. Lett. 99, 126403 (2007) We perform Young's double-slit experiment to study the spatial coherence properties of a two-dimensional dynamic condensate…”
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Journal Article -
19
Evidence for magnetoplasmon character of the cyclotron resonance response of a two-dimensional electron gas
Published 05-12-2006“…Physical Review B 75 (2007) 035334 Experimental results on the absolute magneto-transmission of a series of high density, high mobility GaAs quantum wells are…”
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Journal Article -
20
Nonlinear THz optics-ultrafast spectroscopy
Published in 2007 Joint 32nd International Conference on Infrared and Millimeter Waves and the 15th International Conference on Terahertz Electronics (01-09-2007)“…Our recent development of a simple and reliable method to generate THz pulses with high electric field amplitudes has paved the way for nonlinear optics in the…”
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Conference Proceeding