Abstract
Giant photo-induced Faraday rotations were observed in CdTe-Cd1−xMnxTe multiple quantum wells when the laser frequency is dose to the excitonic resonance, which is enhanced through the quantum confinement. Moreover, we recently demonstrated that large photo-induced polarization rotations (~7 degrees) could be obtained even in the absence of an external magnetic field when using circularly polarized pump pulses.1
© 1998 Optical Society of America
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