| Budget Amount *help |
¥18,200,000 (Direct Cost: ¥14,000,000、Indirect Cost: ¥4,200,000)
Fiscal Year 2014: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2013: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2012: ¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000)
|
|---|
| Outline of Final Research Achievements |
The aims of this study are to realize high-efficiency nitride-based blue LEDs, to demonstrate high-speed optical modulation by an external oscillator, and to demonstrate high-sensitivity HFET type photosensors. A blue LED with light extraction efficiency of 70 % has been achieved by applying the moth-eye-patterned sapphire substrate. Light modulation by an external modulator with Kerr effect in PLZT thin film has been confirmed by FDTD simulation, and deposition condition for the perovskite-phase PLZT thin film was fixed. Super sensitive HFET-type photosensors, whose sensitivity is four orders of magnitude higher than conventional pin photodiode, are also realized.
|
