Two-photon echo and excited state photon echo methods to determine the transverse relaxation constants of excitonic molecules

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Nonlinear optical methods to determine the transverse relaxation constants of excitonic molecules making use of two-photon echo and a new type of excited state photon echo are proposed. The two-photon echo is a seventh order nonlinear effect at the lowest and one needs three pulses to observe it, while the excited state photon echo is a fifth order nonlinear effect and requires four pulses. In these nonlinear optical methods we can satisfy the phase matching condition rather easily due to the large dispersion of excitonic polaritons. We can determine directly the transverse relaxation constants associated with the excitonic molecule from the correlation trace of the two-photon echo and the excited state photon echo.

元の言語English
ページ(範囲)3718-3724
ページ数7
ジャーナルJournal of the Physical Society of Japan
50
発行部数11
出版物ステータスPublished - 1981 11
外部発表Yes

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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