Yun-Shik Lee, J. Danielson, J. Steiner, M. Kira, S. Koch, J. Prineas
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Coherent nonlinear optical effects in semiconductor QWs induced by intense single-cycle THz pulses
We investigate coherent THz-induced dynamics for optical excitation in semiconductor quantum-wells via THz-pump and optical-probe experiments. Strong single-cycle THz pulses induce transient spectral-shifts and broadening of the light-hole and heavy-hole excitonic resonances in GaAs/AlGaAs quantum-wells.
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