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Observation of the ultrafast two-photon coherent biexciton oscillation in a GaAs / Al x Ga 1 - x As multiple quantum well

Polarization-dependent heterodyne four-wave-mixing measurements with a phase-conjugate Michelson interferometer reveal a macroscopic nonradiative 770-THz oscillation in the nonlinear optical susceptibility of GaAs multiple quantum wells. The oscillation is interpreted as the temporal evolution of the two-photon nonradiative biexcitonic coherence. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review B American Physical Society (APS)

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