Subpicosecond coherent carrier-phonon dynamics in semiconductor heterostructures


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DEKORSY, Thomas, A. M. T. KIM, Gyu Cheon CHO, Heinrich KURZ, Alex V. KUZNETSOV, Arno FÖRSTER, 1996. Subpicosecond coherent carrier-phonon dynamics in semiconductor heterostructures. In: Physical review B. 53(3), pp. 1531-1538

@article{Dekorsy1996Subpi-5058, title={Subpicosecond coherent carrier-phonon dynamics in semiconductor heterostructures}, year={1996}, doi={10.1103/PhysRevB.53.1531}, number={3}, volume={53}, journal={Physical review B}, pages={1531--1538}, author={Dekorsy, Thomas and Kim, A. M. T. and Cho, Gyu Cheon and Kurz, Heinrich and Kuznetsov, Alex V. and Förster, Arno} }

<rdf:RDF xmlns:rdf="" xmlns:bibo="" xmlns:dc="" xmlns:dcterms="" xmlns:xsd="" > <rdf:Description rdf:about=""> <dc:creator>Dekorsy, Thomas</dc:creator> <dc:contributor>Kurz, Heinrich</dc:contributor> <dc:contributor>Dekorsy, Thomas</dc:contributor> <dc:creator>Cho, Gyu Cheon</dc:creator> <bibo:uri rdf:resource=""/> <dc:creator>Kurz, Heinrich</dc:creator> <dcterms:bibliographicCitation>First publ. in: Physical review B 53 (1996), 3, pp. 1531-1538</dcterms:bibliographicCitation> <dcterms:issued>1996</dcterms:issued> <dcterms:rights rdf:resource=""/> <dc:date rdf:datatype="">2011-03-24T14:52:47Z</dc:date> <dc:creator>Kim, A. M. T.</dc:creator> <dcterms:abstract xml:lang="eng">Coherent longitudinal-optical phonons are generated in semiconductor heterostructures. The coupling of the coherent, longitudinal-optic (LO) phonons to collective carrier excitations oscillating parallel to the growth direction of GaAs/Al0.36Ga0.64As quantum wells is investigated with femtosecond time-resolution. This coupling is found to be weak for small well widths and evolves towards the bulk plasmon phonon coupling at increased well widths. We present a theory for the dielectric function in the growth direction of the heterostructure and calculate the frequency response of the system on the pulsed optical excitation. It is shown that the observations are based on the coupling of coherent phonons to intersubband plasmons.</dcterms:abstract> <dc:contributor>Kim, A. M. T.</dc:contributor> <dc:contributor>Cho, Gyu Cheon</dc:contributor> <dcterms:available rdf:datatype="">2011-03-24T14:52:47Z</dcterms:available> <dc:contributor>Kuznetsov, Alex V.</dc:contributor> <dc:creator>Förster, Arno</dc:creator> <dc:creator>Kuznetsov, Alex V.</dc:creator> <dc:rights>deposit-license</dc:rights> <dcterms:title>Subpicosecond coherent carrier-phonon dynamics in semiconductor heterostructures</dcterms:title> <dc:format>application/pdf</dc:format> <dc:contributor>Förster, Arno</dc:contributor> <dc:language>eng</dc:language> </rdf:Description> </rdf:RDF>

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