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Multi-petahertz electron interference in Cr:Al2O3 solid-state material
Lightwave-field-induced ultrafast electric dipole oscillation is promising for realizing petahertz (10 15 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 multi...
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| Published in: | Nature communications 2018-04, Vol.9 (1), p.1-6, Article 1468 |
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| cites | cdi_FETCH-LOGICAL-c627t-b40a6b3855c7407e92d473cac472d3c9c251d3d95c9a2e5e1c9f1c477b7cc3603 |
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| container_title | Nature communications |
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| creator | Mashiko, Hiroki Chisuga, Yuta Katayama, Ikufumi Oguri, Katsuya Masuda, Hiroyuki Takeda, Jun Gotoh, Hideki |
| description | Lightwave-field-induced ultrafast electric dipole oscillation is promising for realizing petahertz (10
15
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:Al
2
O
3
). 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 Al
2
O
3
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.
Signal processing in electronic devices is in the THz regime. Here the authors measure NIR lightwave-field-induced multiple dipole oscillations in Cr:Al
2
O
3
in the time domain reaching PHz scale by using an isolated attosecond pulse and this method shows potential for higher speed signal processing. |
| doi_str_mv | 10.1038/s41467-018-03885-7 |
| format | article |
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15
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:Al
2
O
3
). 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 Al
2
O
3
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.
Signal processing in electronic devices is in the THz regime. Here the authors measure NIR lightwave-field-induced multiple dipole oscillations in Cr:Al
2
O
3
in the time domain reaching PHz scale by using an isolated attosecond pulse and this method shows potential for higher speed signal processing.</description><identifier>ISSN: 2041-1723</identifier><identifier>EISSN: 2041-1723</identifier><identifier>DOI: 10.1038/s41467-018-03885-7</identifier><identifier>PMID: 29670122</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>140/125 ; 639/766/36/2796 ; 639/766/400 ; Aluminum oxide ; Chromium ; Conduction ; Conduction bands ; Data processing ; Electric dipoles ; Electrons ; Fourier transforms ; Humanities and Social Sciences ; I.R. radiation ; Interference ; multidisciplinary ; Oscillations ; Science ; Science (multidisciplinary) ; Signal processing ; Spectroscopy ; Spectrum analysis ; Superposition (mathematics)</subject><ispartof>Nature communications, 2018-04, Vol.9 (1), p.1-6, Article 1468</ispartof><rights>The Author(s) 2018</rights><rights>2018. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c627t-b40a6b3855c7407e92d473cac472d3c9c251d3d95c9a2e5e1c9f1c477b7cc3603</citedby><cites>FETCH-LOGICAL-c627t-b40a6b3855c7407e92d473cac472d3c9c251d3d95c9a2e5e1c9f1c477b7cc3603</cites><orcidid>0000-0002-1197-6821 ; 0000-0003-4826-653X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.proquest.com/docview/2027021165/fulltextPDF?pq-origsite=primo$$EPDF$$P50$$Gproquest$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/2027021165?pq-origsite=primo$$EHTML$$P50$$Gproquest$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,881,25732,27903,27904,36991,36992,44569,53770,53772,74873</link.rule.ids></links><search><creatorcontrib>Mashiko, Hiroki</creatorcontrib><creatorcontrib>Chisuga, Yuta</creatorcontrib><creatorcontrib>Katayama, Ikufumi</creatorcontrib><creatorcontrib>Oguri, Katsuya</creatorcontrib><creatorcontrib>Masuda, Hiroyuki</creatorcontrib><creatorcontrib>Takeda, Jun</creatorcontrib><creatorcontrib>Gotoh, Hideki</creatorcontrib><title>Multi-petahertz electron interference in Cr:Al2O3 solid-state material</title><title>Nature communications</title><addtitle>Nat Commun</addtitle><description>Lightwave-field-induced ultrafast electric dipole oscillation is promising for realizing petahertz (10
15
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:Al
2
O
3
). 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 Al
2
O
3
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.
Signal processing in electronic devices is in the THz regime. Here the authors measure NIR lightwave-field-induced multiple dipole oscillations in Cr:Al
2
O
3
in the time domain reaching PHz scale by using an isolated attosecond pulse and this method shows potential for higher speed signal processing.</description><subject>140/125</subject><subject>639/766/36/2796</subject><subject>639/766/400</subject><subject>Aluminum oxide</subject><subject>Chromium</subject><subject>Conduction</subject><subject>Conduction bands</subject><subject>Data processing</subject><subject>Electric dipoles</subject><subject>Electrons</subject><subject>Fourier transforms</subject><subject>Humanities and Social Sciences</subject><subject>I.R. radiation</subject><subject>Interference</subject><subject>multidisciplinary</subject><subject>Oscillations</subject><subject>Science</subject><subject>Science (multidisciplinary)</subject><subject>Signal processing</subject><subject>Spectroscopy</subject><subject>Spectrum analysis</subject><subject>Superposition 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titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>Nature communications</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mashiko, Hiroki</au><au>Chisuga, Yuta</au><au>Katayama, Ikufumi</au><au>Oguri, Katsuya</au><au>Masuda, Hiroyuki</au><au>Takeda, Jun</au><au>Gotoh, Hideki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Multi-petahertz electron interference in Cr:Al2O3 solid-state material</atitle><jtitle>Nature communications</jtitle><stitle>Nat Commun</stitle><date>2018-04-18</date><risdate>2018</risdate><volume>9</volume><issue>1</issue><spage>1</spage><epage>6</epage><pages>1-6</pages><artnum>1468</artnum><issn>2041-1723</issn><eissn>2041-1723</eissn><abstract>Lightwave-field-induced ultrafast electric dipole oscillation is promising for realizing petahertz (10
15
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:Al
2
O
3
). 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 Al
2
O
3
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.
Signal processing in electronic devices is in the THz regime. Here the authors measure NIR lightwave-field-induced multiple dipole oscillations in Cr:Al
2
O
3
in the time domain reaching PHz scale by using an isolated attosecond pulse and this method shows potential for higher speed signal processing.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>29670122</pmid><doi>10.1038/s41467-018-03885-7</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-1197-6821</orcidid><orcidid>https://orcid.org/0000-0003-4826-653X</orcidid><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | 140/125 639/766/36/2796 639/766/400 Aluminum oxide Chromium Conduction Conduction bands Data processing Electric dipoles Electrons Fourier transforms Humanities and Social Sciences I.R. radiation Interference multidisciplinary Oscillations Science Science (multidisciplinary) Signal processing Spectroscopy Spectrum analysis Superposition (mathematics) |
| title | Multi-petahertz electron interference in Cr:Al2O3 solid-state material |
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