| Budget Amount *help |
¥19,760,000 (Direct Cost: ¥15,200,000、Indirect Cost: ¥4,560,000)
Fiscal Year 2013: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2012: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Fiscal Year 2011: ¥10,790,000 (Direct Cost: ¥8,300,000、Indirect Cost: ¥2,490,000)
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| Outline of Final Research Achievements |
The three-dimensional quantum confinement effect of the carriers in a semiconductor quantum dot gives the excitonic polarization the longitudinal component of the electric field, as well as the transverse component. The longitudinal component shifts the resonant frequency of the excitonic polarization, indicating that the resonant frequency of the excitonic polarization is modified by changing the excitation intensity and exhibiting a new optical effect. We studied the new optical effect arising from the photoinduced longitudinal component in a quantum dot by time-resolved spectroscopies and numerical calculations.
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