The spatial distribution of electron density modulated by an external lateral confinement potential is directly imaged, indicating the formation of a periodic quantum dot array. We describe PL microscopy and spectroscopy of modulation doped GaAs-GaAlAs quantum well structures using near-field scanning optical microscopy to image the electron density distribution modulated by an external bias voltage.
Optical near-field spectroscopy of semiconductor nano-structures
2001-01-01
200169 byte
Conference paper
Electronic Resource
English
Optical Near-Field Spectroscopy of Semiconductor Nanostructures
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