Decoherence suppression of excitons by bang-bang control

T. Kishimoto, A. Hasegawa, Y. Mitsumori, Junko Hayase, M. Sasaki, F. Minami

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1 Citation (Scopus)


We report the demonstration of decoherence control of excitons on a layered compound semiconductor GaSe by using successive three femtosecond pulses, i.e., the six-wave mixing configuration. The second pulse acts as a π pulse which reverses the time evolution of non-Markovian dynamics. By changing the pulse interval conditions, we confirmed for the first time the suppression of exciton decoherence by π pulse irradiation.

Original languageEnglish
Pages (from-to)539-541
Number of pages3
JournalJournal of Luminescence
Issue number1-2
Publication statusPublished - 2007 Jan
Externally publishedYes



  • Decoherence
  • Four-wave mixing
  • Photon echo
  • Six-wave mixing

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Atomic and Molecular Physics, and Optics

Cite this

Kishimoto, T., Hasegawa, A., Mitsumori, Y., Hayase, J., Sasaki, M., & Minami, F. (2007). Decoherence suppression of excitons by bang-bang control. Journal of Luminescence, 122-123(1-2), 539-541.