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Coherent manipulation of biexcitonic transitions and other two-pair correlations

Title data

Axt, Vollrath M.:
Coherent manipulation of biexcitonic transitions and other two-pair correlations.
In: Semiconductor Science and Technology. Vol. 19 (2004) Issue 4 . - S215-S219.
ISSN 0268-1242
DOI: https://doi.org/10.1088/0268-1242/19/4/073

Abstract in another language

Two-pair correlations are shown to induce dependences of the nonlinear optical response of semiconductors that can be used for a coherent manipulation of the resulting emission. Influences of biexcitonic transitions as well as transitions to two-pair scattering states are discussed within a microscopic density matrix approach. It is shown that the coherent control of biexciton beats is selective with respect to the propagation direction of the emitted signal, in contrast to the control of beats where all beat partners are generated by single photon processes. Furthermore, it is demonstrated that memory structures induced by exciton–exciton scattering states enable coherent manipulations of the excitonic line shape that allow us to estimate lower bounds for the corresponding memory time from experimentally accessible data.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: quantum wells; excitons; multiwave mixing; optical correlation; 6-particle correlations; microscopic theory; dynamics controlled truncation; four-wave mixing; six-wave mixing; higher order exciton correlations; nonlinear optical response; semiconductors; two-pair continuum correlations; non-linear optics; ultrafast dynamics; coherent control
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics III > Chair Theoretical Physics III - Univ.-Prof. Dr. Martin Axt
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics III
Result of work at the UBT: No
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 23 Oct 2017 09:48
Last Modified: 23 Oct 2017 09:48
URI: https://eref.uni-bayreuth.de/id/eprint/40109