Time-resolved mid-infrared-pump, optical-probe differential transmission spectroscopy on n-doped quantum dots directly reveals electron dynamics relevant to unipolar devices. Capture times into excited and ground states are found to be 7.1 and 116 ps.
© 2005 Optical Society of America
Z. Wu, H. Choi, T. B. Norris, A. D. Stiff-Roberts, and P. Bhattacharya, "Ultrafast Electronic Dynamics in Unipolar n-doped InAs/GaAs Quantum Dot Structures," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper QThC6.
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