6533b833fe1ef96bd129b655

RESEARCH PRODUCT

Microscopic carrier dynamics in quantum wells modulated by high-frequency lateral fields

Andrés CantareroS.k ZhangF. AlsinaAlberto García-cristóbalPaulo V. SantosRudolf Hey

subject

PhysicsPhotoluminescenceYield (engineering)Field (physics)Condensed matter physicsPhase (waves)Acoustic waveCondensed Matter::Mesoscopic Systems and Quantum Hall EffectCondensed Matter PhysicsAtomic and Molecular Physics and OpticsElectronic Optical and Magnetic MaterialsCondensed Matter::Materials ScienceModulationCarrier dynamicsQuantum well

description

Abstract We have investigated the dynamics of photogenerated carriers in GaAs quantum wells under the influence of high-frequency fields produced by metal gratings and by surface acoustic waves (SAW's) using spatially and time-resolved photoluminescence (PL). The frequency and phase of the PL oscillations induced by the high-frequency field yield information about the spatial distribution of the carriers and, in the case of SAW's, about the band-gap modulation induced by the SAW strain.

yearjournalcountryeditionlanguage
2002-03-01Physica E: Low-dimensional Systems and Nanostructures
https://doi.org/10.1016/s1386-9477(02)00167-4