| Budget Amount *help |
¥25,350,000 (Direct Cost: ¥19,500,000、Indirect Cost: ¥5,850,000)
Fiscal Year 2019: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2018: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2017: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2016: ¥16,640,000 (Direct Cost: ¥12,800,000、Indirect Cost: ¥3,840,000)
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| Outline of Final Research Achievements |
We evaluate the transient response of an optically tunable metamaterial that is loaded with a piece of high-resistivity silicon and perform a proof-of-concept experiment to demonstrate the storage and release of electromagnetic waves using this metamaterial. The transient time of the metamaterial immediately after commencing laser light illumination of the silicon in the metamaterial is found to be inversely proportional to the incident laser power. In contrast, the transient time after the laser light used to illuminate the silicon in the metamaterial is turned off is several tens of microseconds. Based on this result, we propose a method for the storage and release of electromagnetic waves using a Fabry-Perot resonator that includes the metamaterial as one of its mirrors. The electromagnetic wave that is stored in the Fabry-Perot resonator for a few tens of ns is then successfully released by illuminating the silicon in the metamaterial with the laser light.
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