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Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1995),
  • paper QWD30

Pump-probe spectroscopy in J-aggregates: interacting one-dimensional excitons

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Abstract

Recent measurements of the differential pump-probe absorption spectrum, D(ω), in low-temperature J-aggregates display excitan saturation and a higher-energy induced absorption1-4 (see Fig. X). The entire spectrum undergoes significant blue shifting with increasing pump intensity.2'4 In this presentation a theory based on onedimensional interacting Frenkel excitons is used to explain these observations.

© 1995 Optical Society of America

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