Photon echo induced by two-exciton coherence in a GaAs quantum well

T. Saiki, M. Kuwata-Gonokami, T. Matsusue, H. Sakaki

研究成果: Article査読

68 被引用数 (Scopus)

抄録

Excitonic nonlinearities in the weak-excitation limit condition are examined with time-integrated and time-resolved four-wave mixing (FWM). Below an excitation of 3×109 excitons/cm2, coherent third-order processes prevail. Echo-type signals are observed in parallel and perpendicular polarization configurations. The coherent process induced by the two-photon coherence of the two-exciton state is attributable to signals in the perpendicular configuration. The polarization dependences of a temporal profile and the intensity of FWM signals are well explained with third-order perturbational analysis that takes into account the two-exciton states and inhomogeneity.

本文言語English
ページ(範囲)7817-7820
ページ数4
ジャーナルPhysical Review B
49
11
DOI
出版ステータスPublished - 1994 1 1
外部発表はい

ASJC Scopus subject areas

  • Condensed Matter Physics

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