| Budget Amount *help |
¥114,400,000 (Direct Cost: ¥88,000,000、Indirect Cost: ¥26,400,000)
Fiscal Year 2012: ¥21,970,000 (Direct Cost: ¥16,900,000、Indirect Cost: ¥5,070,000)
Fiscal Year 2011: ¥21,970,000 (Direct Cost: ¥16,900,000、Indirect Cost: ¥5,070,000)
Fiscal Year 2010: ¥21,970,000 (Direct Cost: ¥16,900,000、Indirect Cost: ¥5,070,000)
Fiscal Year 2009: ¥21,970,000 (Direct Cost: ¥16,900,000、Indirect Cost: ¥5,070,000)
Fiscal Year 2008: ¥26,520,000 (Direct Cost: ¥20,400,000、Indirect Cost: ¥6,120,000)
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| Research Abstract |
To investigate the dynamics of photo-induced phases of high-density excited states in novel semiconductors, such as oxides, ultrabroadband time domain spectroscopy, which provides electric field detection, has been successfully developed, so that it covers from sub-terahertz up to near-infrared 200 THz, which is the world’s highest frequency. As a result, new phonon modes in a quantum paraelectrics were observed. Moreover, the highest terahertz conversion efficiency was achieved and a novel frequency change of the phonon modes in the quantum paraelectrics caused by irradiation of the highly intense terahertz wave, which suggests a new way of material control.
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