A novel terahertz device with multi-function of polarization and switch based on phase transition of VO2

A terahertz（THz） polarizer and switch structure is proposed based on the phase transition of vanadium dioxide（VO2）. When VO2 is in the insulation phase, the resonance frequencies of the proposed structure are 1.49 THz and 1.22 THz for the x- and y-polarization, respectively. It can perform as a THz...

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Veröffentlicht in:	Optoelectronics letters 2016-11, Vol.12 (6), p.409-412
1. Verfasser:	谷文浩常胜江范飞
Format:	Artikel
Sprache:	eng
Schlagworte:	Lasers Optical Devices Optics Photonics Physics Physics and Astronomy Terahertz frequencies VO2 偏振开关偏振消光比共振频率器件多用太赫兹相变
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creator	谷文浩常胜江范飞
description	A terahertz（THz） polarizer and switch structure is proposed based on the phase transition of vanadium dioxide（VO2）. When VO2 is in the insulation phase, the resonance frequencies of the proposed structure are 1.49 THz and 1.22 THz for the x- and y-polarization, respectively. It can perform as a THz polarizer with extinction ratios of 52.5 dB and 17 dB for the y- and x-polarization, respectively; When VO2 transforms into metallic phase, the resonance frequency for x-polarization wave shifts from 1.49 THz to 1.22 THz, while that remains still for the y-polarization component. It means that the structure can work as a polarization-dependent THz switch with a high extinction ratio of 32 dB.
doi_str_mv	10.1007/s11801-016-6029-y
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When VO2 is in the insulation phase, the resonance frequencies of the proposed structure are 1.49 THz and 1.22 THz for the x- and y-polarization, respectively. It can perform as a THz polarizer with extinction ratios of 52.5 dB and 17 dB for the y- and x-polarization, respectively; When VO2 transforms into metallic phase, the resonance frequency for x-polarization wave shifts from 1.49 THz to 1.22 THz, while that remains still for the y-polarization component. It means that the structure can work as a polarization-dependent THz switch with a high extinction ratio of 32 dB.</description><identifier>ISSN: 1673-1905</identifier><identifier>EISSN: 1993-5013</identifier><identifier>DOI: 10.1007/s11801-016-6029-y</identifier><language>eng</language><publisher>Tianjin: Tianjin University of Technology</publisher><subject>Lasers ; Optical Devices ; Optics ; Photonics ; Physics ; Physics and Astronomy ; Terahertz frequencies ; VO2 ; 偏振开关 ; 偏振消光比 ; 共振频率 ; 器件 ; 多用 ; 太赫兹 ; 相变</subject><ispartof>Optoelectronics letters, 2016-11, Vol.12 (6), p.409-412</ispartof><rights>Tianjin University of Technology and Springer-Verlag Berlin Heidelberg 2016</rights><rights>Copyright Springer Science & Business Media 2016</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c343t-a90a2403afe1d75a465fc129ed9579d13b7d40160315d7edf13dc2338be9d6e83</citedby><cites>FETCH-LOGICAL-c343t-a90a2403afe1d75a465fc129ed9579d13b7d40160315d7edf13dc2338be9d6e83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/88368X/88368X.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11801-016-6029-y$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11801-016-6029-y$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids></links><search><creatorcontrib>谷文浩常胜江范飞</creatorcontrib><title>A novel terahertz device with multi-function of polarization and switch based on phase transition of VO2</title><title>Optoelectronics letters</title><addtitle>Optoelectron. Lett</addtitle><addtitle>Opto-electronics Letters</addtitle><description>A terahertz（THz） polarizer and switch structure is proposed based on the phase transition of vanadium dioxide（VO2）. When VO2 is in the insulation phase, the resonance frequencies of the proposed structure are 1.49 THz and 1.22 THz for the x- and y-polarization, respectively. It can perform as a THz polarizer with extinction ratios of 52.5 dB and 17 dB for the y- and x-polarization, respectively; When VO2 transforms into metallic phase, the resonance frequency for x-polarization wave shifts from 1.49 THz to 1.22 THz, while that remains still for the y-polarization component. 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Lett</stitle><addtitle>Opto-electronics Letters</addtitle><date>2016-11-01</date><risdate>2016</risdate><volume>12</volume><issue>6</issue><spage>409</spage><epage>412</epage><pages>409-412</pages><issn>1673-1905</issn><eissn>1993-5013</eissn><abstract>A terahertz（THz） polarizer and switch structure is proposed based on the phase transition of vanadium dioxide（VO2）. When VO2 is in the insulation phase, the resonance frequencies of the proposed structure are 1.49 THz and 1.22 THz for the x- and y-polarization, respectively. It can perform as a THz polarizer with extinction ratios of 52.5 dB and 17 dB for the y- and x-polarization, respectively; When VO2 transforms into metallic phase, the resonance frequency for x-polarization wave shifts from 1.49 THz to 1.22 THz, while that remains still for the y-polarization component. It means that the structure can work as a polarization-dependent THz switch with a high extinction ratio of 32 dB.</abstract><cop>Tianjin</cop><pub>Tianjin University of Technology</pub><doi>10.1007/s11801-016-6029-y</doi><tpages>4</tpages></addata></record>
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subjects	Lasers Optical Devices Optics Photonics Physics Physics and Astronomy Terahertz frequencies VO2 偏振开关偏振消光比共振频率器件多用太赫兹相变
title	A novel terahertz device with multi-function of polarization and switch based on phase transition of VO2
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