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GaInAs/AlAsSb Quantum Cascade Lasers: A New Approach towards 3-to-5 μm Semiconductor Lasers
At present GaInAs/AlInAs based quantum cascade (QC) lasers represent the state-of-the-art with respect to the short-wavelength (< 5 μm) performance of the QC laser concept. This performance, however, is intrin...
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Chapter
Ultrafast Coherent Exciton Spectroscopy and Carrier Control in Quantum Structures
Interference effects between ultrafast laser pulses become important when the relative phase is precisely determined. The response of an optical system then shows strong oscillations when the pump-pulse separa...