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Multi-petahertz electron interference in Cr:Al2O3 solid-state material
http://hdl.handle.net/10131/00012043
http://hdl.handle.net/10131/00012043cd6fb56a-5114-46e5-a969-f4bf2332e909
名前 / ファイル | ライセンス | アクション |
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NatCommun-9-1468-2018.pdf (4.8 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-11-02 | |||||
タイトル | ||||||
タイトル | Multi-petahertz electron interference in Cr:Al2O3 solid-state material | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Mashiko, Hiroki
× Mashiko, Hiroki× Chisuga, Yuta× Katayama, Ikufumi× Oguri, Katsuya× Masuda, Hiroyuki× Takeda, Jun× Gotoh, Hideki |
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著者所属 | ||||||
NTT Basic Research Laboratories | ||||||
著者所属 | ||||||
NTT Basic Research Laboratories, Department of Physics, Graduate School of Engineering, Yokohama National University | ||||||
著者所属 | ||||||
Department of Physics, Graduate School of Engineering, Yokohama National University | ||||||
著者所属 | ||||||
NTT Basic Research Laboratories | ||||||
著者所属 | ||||||
NTT Basic Research Laboratories, Department of Physics, Graduate School of Engineering, Yokohama National University | ||||||
著者所属 | ||||||
Department of Physics, Graduate School of Engineering, Yokohama National University | ||||||
著者所属 | ||||||
NTT Basic Research Laboratories | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Lightwave-field-induced ultrafast electric dipole oscillation is promising for realizing petahertz (1015 Hz: PHz) signal processing in the future. In building the ultrahigh-clock-rate logic operation system, one of the major challenges will be petahertz electron manipulation accompanied with multiple frequencies. Here we study multi-petahertz interference with electronic dipole oscillations in alumina with chromium dopant (Cr:Al2O3). An intense near-infrared lightwave-field induces multiple electric inter-band polarizations, which are characterized by Fourier transform extreme ultraviolet attosecond spectroscopy. The interference results from the superposition state of periodic dipole oscillations of 667 to 383 attosecond (frequency of 1.5 to 2.6 PHz) measured by direct time-dependent spectroscopy and consists of various modulations on attosecond time scale through individual electron dephasing times of the Cr donor-like and Al2O3 conduction band states. The results indicate the possible manipulation of petahertz interference signal with multiple dipole oscillations using material band engineering and such a control will contribute to the study of ultrahigh-speed signal operation. | |||||
書誌情報 |
Nature Communications 発行日 2018-04-18 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 20411723 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1038/s41467-018-03885-7 | |||||
権利 | ||||||
権利情報 | This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | Nature Publishing Group |