Nonlinear spectroscopy of InGaAs/InAlAs multiple quantum well structures

Weiner, J. S.; Pearson, D. B.; Miller, D. A. B.; Chemla, D. S.; Sivco, D.; Cho, A. Y.
September 1986
Applied Physics Letters;9/1/1986, Vol. 49 Issue 9, p531
Academic Journal
The first investigation of nonlinear absorption in InGaAs/InAlAs multiple quantum wells using picosecond and cw infrared lasers is presented. The nonlinearity is demonstrated to be due to plasma-induced excitonic bleaching. The measured saturation densities agree with those predicted by theory.


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