Enhancement of nonlinear optical response due to long-range strong interaction between light and excitons in semiconductor thin films with high crystalline quality
| Project/Area Number |
24740210
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Condensed matter physics I
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| Research Institution | Osaka Dental University |
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Principal Investigator |
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| Project Period (FY) |
2012-04-01 – 2014-03-31
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| Project Status |
Completed (Fiscal Year 2013)
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| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2012: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
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| Keywords | 光物性 / 励起子 |
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| Research Abstract |
I have successfully verified that the resonant optical Kerr spectrum shows the anomalous mode structures similar to that of degenerate four-wave mixing in a high-quality CuCl thin film. The spectral shape reflects the radiative shift and width due to harmonized wave-wave coupling between light and multinode-type excitons. The components for the excitonic states with the large radiative width in the Kerr spectrum show ultrafast responses with the order of 100 fs, which are consistent with the calculated radiative decay times of excitons. These agreements between experimental results and the calculated mode structures suggest that the resonant optical Kerr response below 10 fs will be achieved for a CuCl thin film with high crystalline quality and appropriate film thickness.
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Report
(3 results)
Research Products
(73 results)
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[Presentation] Synthesis of nanophosphors for correlative cathodoluminescence, up-conversion, and near-infrared bioimaging2014
Author(s)
Shoichiro Fukushima, Taichi Furukawa, Hirohiko Niioka, Masayoshi Ichimiya, Jun Miyake, Masaaki Ashida, Tsutomu Araki, and Mamoru Hashimoto
Organizer
UK-Japan workshop on Nanophotonics, Metamaterials and Plasmonics
Place of Presentation
Osaka, Japan
Year and Date
2014-03-14
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[Presentation] Synthesis of rare-earth doped up-conversion and cathodoluminescence nanophosphors for correlative bioimaging2013
Author(s)
Shoichiro Fukushima,Taichi Furukawa,Hirohiko Niioka,Masayoshi Ichimiya,Satoshi Ichikawa,Tomohiro Nagata,Jun Miyake,Masaaki Ashida,Tsutomu Araki, and Mamoru Hashimoto
Organizer
Focus on Microscopy 2013 (FOM2013)
Place of Presentation
Maastricht,the Netherlands
Year and Date
2013-03-26
Related Report
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[Presentation] Luminescence Properties of Eu-doped GaN Grown by Selective-area Organometallic Vapor Phase Epitaxy2012
Author(s)
Ryosuke Hasegawa,Ryuta Wakamatsu,Atsushi Koizumi,Hironori Ofuchi,Masayoshi Ichimiya,Dong-gun Lee,Yoshikazu Terai,Tetsuo Honma,Masaaki Ashida,and Yasufumi Fujiwara
Organizer
8th Handai Nanoscience and Nanotechnology International Symposium
Place of Presentation
Suita,Japan
Year and Date
2012-12-10
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