期刊
PHYSICAL REVIEW B
卷 78, 期 15, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.78.155315
关键词
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资金
- Hong Kong RGC [402207]
We propose to create a biexciton in a quantum dot by a coherent optical process using a frequency-sweeping (chirped) laser pulse. In contrast to the two-photon Rabi flop scheme, the present method uses the adiabatic state transfer through avoided level crossing. As a geometric control, the proposed process is robust against pulse area uncertainty, detuning, and dephasing. The speed of the adiabatic operation is constrained by the biexciton binding energy.
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