期刊
NANO LETTERS
卷 10, 期 5, 页码 1817-1822出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl100520r
关键词
Nanowires; optically-active quantum dots; single electron charging; opto-electronics
类别
资金
- Dutch ministry of economic affairs (NanoNed) [DOE7013]
- Dutch Organization for Fundamental Research on Matter (FOM)
- European FP6 NODE [015783]
- DARPA QuEST grant [HR0011-09-1-0007]
- Netherlands Organization for Scientific Research (NWO)
We report optical experiments of a charge tunable, single nanowire quantum dot subject to an electric held tuned by two independent voltages. First, we control tunneling events through an applied electric held along the nanowire growth direction. Second, we modify the chemical potential in the nanowire with a back-gate. We combine these two field-effects to isolate a single electron and independently tune the tunnel coupling of the quantum dot with the contacts. Such charge control is a first requirement for opto-electrical single electron spin experiments on a nanowire quantum dot.
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