Correlation-induced resonances in differential absorption of semiconductors

Mark Phillips, Hailin Wang, Torsten Meier, Stephan W. Koch

Research output: Contribution to conferencePaperpeer-review


Extensive studies have provided valuable understanding on the role of correlations between excitons in optical interactions in semiconductors but few have addressed the effects of correlations when a semiconductor is excited above the band gap. This paper reports studies of 4-particle correlations by using differential absorption at low excitation levels with well-defined initial energies of excited e-h pairs and excitons. These correlations are shown to lead to an induced resonance in differential absorption spectra immediately after excitation of e-h pairs. The origin and dynamics of this correlation-induced resonance is discussed.

Original languageEnglish (US)
Number of pages2
StatePublished - Dec 1 2000
EventQuantum Electronics and Laser Science Conference (QELS 2000) - San Francisco, CA, USA
Duration: May 7 2000May 12 2000


OtherQuantum Electronics and Laser Science Conference (QELS 2000)
CitySan Francisco, CA, USA

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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