Modulation-doped quantum dot infrared photodetectors using self-assembled InAs quantum dots
β Scribed by S.-W Lee; K Hirakawa; Y Shimada
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 132 KB
- Volume
- 7
- Category
- Article
- ISSN
- 1386-9477
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π SIMILAR VOLUMES
We present selective photoluminescence and photoluminescence excitation spectroscopy on self-assembled quantum dots. These spectroscopic techniques reveal a large apparent 'Stokes' shift in In(Ga)As-Ga(Al)As self-assembled quantum dots. We demonstrate that the first two excited states observed in PL
We have studied the interband excitations of an ensemble of InAs self-assembled quantum dots by detecting absorption directly in transmission experiments. The dots are embedded in a MISFET structure, allowing the dots' electron occupation to be controlled with a gate voltage. We show how Coulomb blo