Improvement of the chirality near avoided resonance crossing in optical microcavity
Chirality is one of the important phenomena at the vicinity of exceptional point （EP）. The conventional understanding is that the chirality is determined by asymmetrical scattering efficiency （η）, which reaches to zero only when the resonance ap- proaches EP. Here we study the possibility to enhance...
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| Veröffentlicht in: | Science China. Physics, mechanics & astronomy mechanics & astronomy, 2015-11, Vol.58 (11), p.55-62, Article 114210 |
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| creator | Song, QingHai Gu, ZhiYuan Zhang, Nan Wang, KaiYang Yi, NingBo Xiao, ShuMin |
| description | Chirality is one of the important phenomena at the vicinity of exceptional point （EP）. The conventional understanding is that the chirality is determined by asymmetrical scattering efficiency （η）, which reaches to zero only when the resonance ap- proaches EP. Here we study the possibility to enhance the chirality in open systems with a more robust mechanism. By com- bining chirality with avoided resonance crossing, we show that the chirality and 7 can be dramatically modified. Taking a spi- ral shaped annular cavity as an example, we show that the chirality of optical resonances can be significantly improved when two sets of chiral states approach each other, The imbalance between counterclockwise （CCW） components and clockwise （CW） components has been enhanced by more than an order of magnitude. Our research provides a new route to tailor and control the chirality in open systems. |
| doi_str_mv | 10.1007/s11433-015-5729-9 |
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The conventional understanding is that the chirality is determined by asymmetrical scattering efficiency （η）, which reaches to zero only when the resonance ap- proaches EP. Here we study the possibility to enhance the chirality in open systems with a more robust mechanism. By com- bining chirality with avoided resonance crossing, we show that the chirality and 7 can be dramatically modified. Taking a spi- ral shaped annular cavity as an example, we show that the chirality of optical resonances can be significantly improved when two sets of chiral states approach each other, The imbalance between counterclockwise （CCW） components and clockwise （CW） components has been enhanced by more than an order of magnitude. Our research provides a new route to tailor and control the chirality in open systems.</description><identifier>ISSN: 1674-7348</identifier><identifier>EISSN: 1869-1927</identifier><identifier>DOI: 10.1007/s11433-015-5729-9</identifier><language>eng</language><publisher>Beijing: Science China Press</publisher><subject>Astronomy ; Chirality ; Classical and Continuum Physics ; Observations and Techniques ; Open systems ; Optical resonance ; Physics ; Physics and Astronomy ; Resonance ; Resonance scattering ; 力学 ; 天文学 ; 物理学 ; 科学学 ; 科学知识</subject><ispartof>Science China. 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Physics, mechanics & astronomy</title><addtitle>Sci. China Phys. Mech. Astron</addtitle><addtitle>SCIENCE CHINA Physics, Mechanics ＆ Astronomy</addtitle><description>Chirality is one of the important phenomena at the vicinity of exceptional point （EP）. The conventional understanding is that the chirality is determined by asymmetrical scattering efficiency （η）, which reaches to zero only when the resonance ap- proaches EP. Here we study the possibility to enhance the chirality in open systems with a more robust mechanism. By com- bining chirality with avoided resonance crossing, we show that the chirality and 7 can be dramatically modified. Taking a spi- ral shaped annular cavity as an example, we show that the chirality of optical resonances can be significantly improved when two sets of chiral states approach each other, The imbalance between counterclockwise （CCW） components and clockwise （CW） components has been enhanced by more than an order of magnitude. Our research provides a new route to tailor and control the chirality in open systems.</description><subject>Astronomy</subject><subject>Chirality</subject><subject>Classical and Continuum Physics</subject><subject>Observations and Techniques</subject><subject>Open systems</subject><subject>Optical resonance</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Resonance</subject><subject>Resonance scattering</subject><subject>力学</subject><subject>天文学</subject><subject>物理学</subject><subject>科学学</subject><subject>科学知识</subject><issn>1674-7348</issn><issn>1869-1927</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kE1LAzEQhoMoWGp_gLeg5-jke3OU4keh4EE9h3Q3227pZttkW-i_N3WL3pxLhvA-8868CN1SeKAA-jFRKjgnQCWRmhliLtCIFsoQapi-zL3Sgmguims0SWkNubgBocUIfczabewOvvWhx12N-5XH5aqJbtP0Rxy8i9gduqbyFY4-dcGFMgtil1ITlrgJuNv2Tek2uG3yb-kOGbtBV7XbJD85v2P09fL8OX0j8_fX2fRpTkoueE9kzTXjqi48L5XhkmsJVVUDd5IxygtwXpZaK1WBN1XtvCtFBfViAQvpOEg-RvfD3HzBbu9Tb9fdPoZsaZnJ91MhmcgqOqh-to6-ttvYtC4eLQV7is8O8dkcnz3FZ01m2MCkrA1LH_8m_wfdnY1WXVjuMvfrpJRioLQB_g3D0n5W</recordid><startdate>20151101</startdate><enddate>20151101</enddate><creator>Song, QingHai</creator><creator>Gu, ZhiYuan</creator><creator>Zhang, Nan</creator><creator>Wang, KaiYang</creator><creator>Yi, NingBo</creator><creator>Xiao, ShuMin</creator><general>Science China Press</general><general>Springer Nature B.V</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>P5Z</scope><scope>P62</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope></search><sort><creationdate>20151101</creationdate><title>Improvement of the chirality near avoided resonance crossing in optical microcavity</title><author>Song, QingHai ; Gu, ZhiYuan ; Zhang, Nan ; Wang, KaiYang ; Yi, NingBo ; Xiao, ShuMin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c343t-5f37236f8e3c69353750ddf03a5221380ae5c7766d0e9dfaeac4d0fbb0b5a3053</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Astronomy</topic><topic>Chirality</topic><topic>Classical and Continuum Physics</topic><topic>Observations and Techniques</topic><topic>Open systems</topic><topic>Optical resonance</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Resonance</topic><topic>Resonance scattering</topic><topic>力学</topic><topic>天文学</topic><topic>物理学</topic><topic>科学学</topic><topic>科学知识</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Song, QingHai</creatorcontrib><creatorcontrib>Gu, ZhiYuan</creatorcontrib><creatorcontrib>Zhang, Nan</creatorcontrib><creatorcontrib>Wang, KaiYang</creatorcontrib><creatorcontrib>Yi, NingBo</creatorcontrib><creatorcontrib>Xiao, ShuMin</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><jtitle>Science China. Physics, mechanics & astronomy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Song, QingHai</au><au>Gu, ZhiYuan</au><au>Zhang, Nan</au><au>Wang, KaiYang</au><au>Yi, NingBo</au><au>Xiao, ShuMin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Improvement of the chirality near avoided resonance crossing in optical microcavity</atitle><jtitle>Science China. Physics, mechanics & astronomy</jtitle><stitle>Sci. China Phys. Mech. Astron</stitle><addtitle>SCIENCE CHINA Physics, Mechanics ＆ Astronomy</addtitle><date>2015-11-01</date><risdate>2015</risdate><volume>58</volume><issue>11</issue><spage>55</spage><epage>62</epage><pages>55-62</pages><artnum>114210</artnum><issn>1674-7348</issn><eissn>1869-1927</eissn><abstract>Chirality is one of the important phenomena at the vicinity of exceptional point （EP）. The conventional understanding is that the chirality is determined by asymmetrical scattering efficiency （η）, which reaches to zero only when the resonance ap- proaches EP. Here we study the possibility to enhance the chirality in open systems with a more robust mechanism. By com- bining chirality with avoided resonance crossing, we show that the chirality and 7 can be dramatically modified. Taking a spi- ral shaped annular cavity as an example, we show that the chirality of optical resonances can be significantly improved when two sets of chiral states approach each other, The imbalance between counterclockwise （CCW） components and clockwise （CW） components has been enhanced by more than an order of magnitude. Our research provides a new route to tailor and control the chirality in open systems.</abstract><cop>Beijing</cop><pub>Science China Press</pub><doi>10.1007/s11433-015-5729-9</doi><tpages>8</tpages></addata></record> |
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| subjects | Astronomy Chirality Classical and Continuum Physics Observations and Techniques Open systems Optical resonance Physics Physics and Astronomy Resonance Resonance scattering 力学 天文学 物理学 科学学 科学知识 |
| title | Improvement of the chirality near avoided resonance crossing in optical microcavity |
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