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Titolo:
EVIDENCE OF BIEXCITONIC CONTRIBUTIONS TO 4-WAVE-MIXING IN GAAS QUANTUM-WELLS
Autore:
MAYER EJ; SMITH GO; HEUCKEROTH V; KUHL J; BOTT K; SCHULZE A; MEIER T; BENNHARDT D; KOCH SW; THOMAS P; HEY R; PLOOG K;
Indirizzi:
MAX PLANCK INST FESTKORPERFORSCH,HEISENBERGSTR 1 D-70569 STUTTGART GERMANY UNIV MARBURG,DEPT PHYS D-35032 MARBURG GERMANY UNIV MARBURG,CTR MAT SCI D-35032 MARBURG GERMANY PAUL DRUDE INST FESTKORPERELEKTRON D-10177 BERLIN GERMANY
Titolo Testata:
Physical review. B, Condensed matter
fascicolo: 19, volume: 50, anno: 1994,
pagine: 14730 - 14733
SICI:
0163-1829(1994)50:19<14730:EOBCT4>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
POLARIZATION DEPENDENCE; BEATS; GENERATION;
Tipo documento:
Note
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
14
Recensione:
Indirizzi per estratti:
Citazione:
E.J. Mayer et al., "EVIDENCE OF BIEXCITONIC CONTRIBUTIONS TO 4-WAVE-MIXING IN GAAS QUANTUM-WELLS", Physical review. B, Condensed matter, 50(19), 1994, pp. 14730-14733

Abstract

A three-pulse degenerate four-wave-mixing experimerlt and its theoretical analysis reveal contributions of local field and biexciton effects to the nonlinear optical response of the two-dimensional exciton. Quantum beats with a frequency equivalent to the biexciton binding energy appear only for specific polarizations. Polarization-dependent spectrally resolved four-wave mixing shows an additional peak that is separated from the 1s heavy-hole exciton line by the biexciton binding energy. These experimental results are in good agreement with the optical selection rules of the theoretical model, providing evidence for biexcitonic contributions to the four-wave mixing.

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Documento generato il 02/12/20 alle ore 03:57:28