Affiliation:
1. Department of Applied Physics, Shri G.S. Institute of Technology & Science, Indore – 452 003, India
Abstract
The theoretical formulation for pump-probe spectroscopic analysis of free induction decay has been made using semiclassical time dependent perturbation technique in GaAs/AlxGa1-xAs quantum well structure. The pump pulse is considered to be tuned below the band edge and the excitation intensity is assumed to be in the moderate power regime so that the only many-body effect that dominates is the excitonic effect. The probe transmission spectrum features the characteristic resonance frequencies of the system concerned. The temporal nature of the transmitted probe signal is also found to characterize the ultrafast free induction decay of the pump induced polarization, which is recorded by the low intensity probe transmission in the system.
Publisher
World Scientific Pub Co Pte Lt
Subject
Physics and Astronomy (miscellaneous),Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials
Cited by
1 articles.
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