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Carrier Dynamics in Self-Assembled ErAs Nanoislands Measured by Optical Pump-THz Probe Spectroscopy

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Abstract

We use optical pump-THz probe spectroscopy to study carrier dynamics in self-assembled ErAs:GaAs nanoislands. Sub-picosecond carrier capture times are measured, indicating the potential of these devices as THz detectors comparable to low temperature grown GaAs.

© 2005 Optical Society of America

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