期刊
PHYSICAL REVIEW B
卷 62, 期 24, 页码 R16322-R16325出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.62.R16322
关键词
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Ultrafast pump-probe measurements evidence the dynamical Stark splitting in the exciton absorption spectrum of a single semiconductor quantum well. The intensity of the Stark sidebands in the spectrum is comparable to the linear absorption and their separation scales as the pump field amplitude. In the time domain the Rabi oscillations are observed. The semiconductor Bloch equations solved in the Hartree-Fock approximation demonstrate that the coherent exciton-light coupling dominates over the many-body dephasing.
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