期刊
NANO LETTERS
卷 10, 期 5, 页码 1799-1804出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl1004898
关键词
GaAs nanowires; quantum interference control; transport in nanowires
类别
资金
- DFG [SPP1391]
- Nanostructure Initiative Munich (NIM)
- Marie Curie Excellence Grant SENFED
- Swiss National Foundation [2000021-121758/1]
A phase-stable superposition of femtosecond pulses from a compact erbium-doped fiber source and their second harmonic is shown to induce ultrashort similar to mu A current bursts in single unbiased GaAs nanowires. Current injection relies on a quantum interference of one- and two-photon absorption pathways. The vector direction of the current is solely dictated by the polarization and relative phase of the harmonically related light components while its power dependence is consistent with a third order optical nonlinearity.
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