Tunable slow and fast light in a silicon-on-insulator Fano resonator
Tunable slow and fast light generation in a silicon-on-insulator (SOI) Fano resonator is proposed and experimentally demonstrated. The slow and fast light generation with symmetric and asymmetric coupling conditions of the Fano resonator is theoretically analyzed. Under a slightly imbalanced couplin...
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| Veröffentlicht in: | Optics letters 2023-01, Vol.48 (2), p.335-338 |
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| container_title | Optics letters |
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| creator | Xu, Tianqi Zheng, Shaonan Qiu, Yang Zhao, Xingyan Zhong, Qize Dong, Yuan Jia, Lianxi Hu, Ting |
| description | Tunable slow and fast light generation in a silicon-on-insulator (SOI) Fano resonator is proposed and experimentally demonstrated. The slow and fast light generation with symmetric and asymmetric coupling conditions of the Fano resonator is theoretically analyzed. Under a slightly imbalanced coupling condition, the two output ports of the Fano resonator could produce a fast light and a slow light, respectively. By utilizing the thermo-optic (TO) effect to change the phase difference of the two optical beams coupled into the resonator, the transition of fast and slow light can be realized at the fixed resonance wavelength. Experimental results show that a slow-to-fast transition (group delay from 0.852 to -1.057 ns) at one resonance wavelength, and a fast-to-slow transition (group delay from -0.22 to 0.867 ns) at another resonance wavelength are realized simultaneously by controlling the microheater to tune the phase difference. |
| doi_str_mv | 10.1364/OL.475451 |
| format | Article |
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The slow and fast light generation with symmetric and asymmetric coupling conditions of the Fano resonator is theoretically analyzed. Under a slightly imbalanced coupling condition, the two output ports of the Fano resonator could produce a fast light and a slow light, respectively. By utilizing the thermo-optic (TO) effect to change the phase difference of the two optical beams coupled into the resonator, the transition of fast and slow light can be realized at the fixed resonance wavelength. Experimental results show that a slow-to-fast transition (group delay from 0.852 to -1.057 ns) at one resonance wavelength, and a fast-to-slow transition (group delay from -0.22 to 0.867 ns) at another resonance wavelength are realized simultaneously by controlling the microheater to tune the phase difference.</description><identifier>ISSN: 0146-9592</identifier><identifier>EISSN: 1539-4794</identifier><identifier>DOI: 10.1364/OL.475451</identifier><identifier>PMID: 36638451</identifier><language>eng</language><publisher>United States: Optical Society of America</publisher><subject>Coupling ; Group delay ; Phase shift ; Resonance ; Resonators ; Silicon ; SOI (semiconductors)</subject><ispartof>Optics letters, 2023-01, Vol.48 (2), p.335-338</ispartof><rights>Copyright Optical Society of America Jan 15, 2023</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c353t-2090f66360ac528aadb207d711ebf45b831af6f2dc59925b770171448402c5ec3</citedby><cites>FETCH-LOGICAL-c353t-2090f66360ac528aadb207d711ebf45b831af6f2dc59925b770171448402c5ec3</cites><orcidid>0000-0002-7134-1748</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,3247,27907,27908</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/36638451$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Xu, Tianqi</creatorcontrib><creatorcontrib>Zheng, Shaonan</creatorcontrib><creatorcontrib>Qiu, Yang</creatorcontrib><creatorcontrib>Zhao, Xingyan</creatorcontrib><creatorcontrib>Zhong, Qize</creatorcontrib><creatorcontrib>Dong, Yuan</creatorcontrib><creatorcontrib>Jia, Lianxi</creatorcontrib><creatorcontrib>Hu, Ting</creatorcontrib><title>Tunable slow and fast light in a silicon-on-insulator Fano resonator</title><title>Optics letters</title><addtitle>Opt Lett</addtitle><description>Tunable slow and fast light generation in a silicon-on-insulator (SOI) Fano resonator is proposed and experimentally demonstrated. The slow and fast light generation with symmetric and asymmetric coupling conditions of the Fano resonator is theoretically analyzed. Under a slightly imbalanced coupling condition, the two output ports of the Fano resonator could produce a fast light and a slow light, respectively. By utilizing the thermo-optic (TO) effect to change the phase difference of the two optical beams coupled into the resonator, the transition of fast and slow light can be realized at the fixed resonance wavelength. Experimental results show that a slow-to-fast transition (group delay from 0.852 to -1.057 ns) at one resonance wavelength, and a fast-to-slow transition (group delay from -0.22 to 0.867 ns) at another resonance wavelength are realized simultaneously by controlling the microheater to tune the phase difference.</description><subject>Coupling</subject><subject>Group delay</subject><subject>Phase shift</subject><subject>Resonance</subject><subject>Resonators</subject><subject>Silicon</subject><subject>SOI (semiconductors)</subject><issn>0146-9592</issn><issn>1539-4794</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNpd0E1LAzEQBuAgiq3Vg39AAl70sDXf2RylWhUWeqnnJZvN6pY00WQX8d-b0upBGBgGHmaGF4BLjOaYCna3quZMcsbxEZhiTlXBpGLHYIowE4XiikzAWUobhJCQlJ6CCRWCltlPwcN69LpxFiYXvqD2Lex0GqDr394H2HuoYepdb4IvcvU-jU4PIcKl9gFGm4LfjefgpNMu2YtDn4HX5eN68VxUq6eXxX1VGMrpUBCkUJcvC6QNJ6XWbUOQbCXGtukYb0qKdSc60hquFOGNlAhLzFjJEDHcGjoDN_u9HzF8jjYN9bZPxjqnvQ1jqokUXEqlJMn0-h_dhDH6_N1OCY7yGzyr270yMaQUbVd_xH6r43eNUb2Ltl5V9T7abK8OG8dma9s_-Zsl_QErK3Eh</recordid><startdate>20230115</startdate><enddate>20230115</enddate><creator>Xu, Tianqi</creator><creator>Zheng, Shaonan</creator><creator>Qiu, Yang</creator><creator>Zhao, Xingyan</creator><creator>Zhong, Qize</creator><creator>Dong, Yuan</creator><creator>Jia, Lianxi</creator><creator>Hu, Ting</creator><general>Optical Society of America</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-7134-1748</orcidid></search><sort><creationdate>20230115</creationdate><title>Tunable slow and fast light in a silicon-on-insulator Fano resonator</title><author>Xu, Tianqi ; Zheng, Shaonan ; Qiu, Yang ; Zhao, Xingyan ; Zhong, Qize ; Dong, Yuan ; Jia, Lianxi ; Hu, Ting</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c353t-2090f66360ac528aadb207d711ebf45b831af6f2dc59925b770171448402c5ec3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Coupling</topic><topic>Group delay</topic><topic>Phase shift</topic><topic>Resonance</topic><topic>Resonators</topic><topic>Silicon</topic><topic>SOI (semiconductors)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xu, Tianqi</creatorcontrib><creatorcontrib>Zheng, Shaonan</creatorcontrib><creatorcontrib>Qiu, Yang</creatorcontrib><creatorcontrib>Zhao, Xingyan</creatorcontrib><creatorcontrib>Zhong, Qize</creatorcontrib><creatorcontrib>Dong, Yuan</creatorcontrib><creatorcontrib>Jia, Lianxi</creatorcontrib><creatorcontrib>Hu, Ting</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Optics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xu, Tianqi</au><au>Zheng, Shaonan</au><au>Qiu, Yang</au><au>Zhao, Xingyan</au><au>Zhong, Qize</au><au>Dong, Yuan</au><au>Jia, Lianxi</au><au>Hu, Ting</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tunable slow and fast light in a silicon-on-insulator Fano resonator</atitle><jtitle>Optics letters</jtitle><addtitle>Opt Lett</addtitle><date>2023-01-15</date><risdate>2023</risdate><volume>48</volume><issue>2</issue><spage>335</spage><epage>338</epage><pages>335-338</pages><issn>0146-9592</issn><eissn>1539-4794</eissn><abstract>Tunable slow and fast light generation in a silicon-on-insulator (SOI) Fano resonator is proposed and experimentally demonstrated. The slow and fast light generation with symmetric and asymmetric coupling conditions of the Fano resonator is theoretically analyzed. Under a slightly imbalanced coupling condition, the two output ports of the Fano resonator could produce a fast light and a slow light, respectively. By utilizing the thermo-optic (TO) effect to change the phase difference of the two optical beams coupled into the resonator, the transition of fast and slow light can be realized at the fixed resonance wavelength. Experimental results show that a slow-to-fast transition (group delay from 0.852 to -1.057 ns) at one resonance wavelength, and a fast-to-slow transition (group delay from -0.22 to 0.867 ns) at another resonance wavelength are realized simultaneously by controlling the microheater to tune the phase difference.</abstract><cop>United States</cop><pub>Optical Society of America</pub><pmid>36638451</pmid><doi>10.1364/OL.475451</doi><tpages>4</tpages><orcidid>https://orcid.org/0000-0002-7134-1748</orcidid></addata></record> |
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| ispartof | Optics letters, 2023-01, Vol.48 (2), p.335-338 |
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| language | eng |
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| source | Optica Publishing Group Journals |
| subjects | Coupling Group delay Phase shift Resonance Resonators Silicon SOI (semiconductors) |
| title | Tunable slow and fast light in a silicon-on-insulator Fano resonator |
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