Spin readout and initialization in semiconductor quantum dots
US7135697B2 · kind B2 · utility
9Cited by
8References
24Claims
0Family size
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Key dates
| Filing date | Feb 25, 2004 |
| Grant date | Nov 14, 2006 |
| Priority date | — |
| Expiry date | Sep 26, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D62/814
- WIPO fieldMicro-structural and nano-technology
- WIPO sectorChemistry
Abstract
A semiconductor quantum dot device converts spin information to charge information utilizing an elongated quantum dot having an asymmetric confining potential along its length so that charge movement occurs during orbital excitation. A single electron sensitive electrometer is utilized to detect the charge movement. Initialization and readout can be carried out rapidly utilizing RF fields at appropriate frequencies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.