Circularly polarized light emission from a GaN micro-LED integrated with functional metasurfaces for 3D display
This Letter proposes a circularly polarized (CP) light GaN micro-LED which is integrated with functional metasurfaces. The one-dimensional metallic nanograting can achieve a high transverse electric (TE) reflectivity ( R T E ) and extinction ratio (ER) of TE and transverse magnetic (TM) waves, which...
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Veröffentlicht in: | Optics letters 2021-06, Vol.46 (11), p.2666-2669 |
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creator | Gao, Xiang Xu, Yi Huang, Jinpeng Hu, Zelin Zhu, Wenhui Yi, Xiaoyan Wang, Liancheng |
description | This Letter proposes a circularly polarized (CP) light GaN micro-LED which is integrated with functional metasurfaces. The one-dimensional metallic nanograting can achieve a high transverse electric (TE) reflectivity ( R T E ) and extinction ratio (ER) of TE and transverse magnetic (TM) waves, which is highly polarized output for micro-LEDs. Besides, the nanograting, which is integrated on the bottom of the GaN layer, can also support a resonant cavity, together with the top distributed Bragg reflector, which can shape the radiation pattern. By optimizing the structure parameters of nanograting, the R T E achieves over 80%, and the ER reaches higher than 38 dB at 450 nm for the GaN micro-LED. Additionally, the metasurface, which acts as a quarter-wave plate, was investigated to control the phase delay between the polarization state of the electric wave in two orthogonal components. Finally, the circular shape of the transmitted pattern denotes the high performance of the metasurface which is integrated in the micro-LED for CP light emission. The work reported in this Letter might provide potential application in a 3D polarized light display. |
doi_str_mv | 10.1364/OL.415150 |
format | Article |
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The one-dimensional metallic nanograting can achieve a high transverse electric (TE) reflectivity ( R T E ) and extinction ratio (ER) of TE and transverse magnetic (TM) waves, which is highly polarized output for micro-LEDs. Besides, the nanograting, which is integrated on the bottom of the GaN layer, can also support a resonant cavity, together with the top distributed Bragg reflector, which can shape the radiation pattern. By optimizing the structure parameters of nanograting, the R T E achieves over 80%, and the ER reaches higher than 38 dB at 450 nm for the GaN micro-LED. Additionally, the metasurface, which acts as a quarter-wave plate, was investigated to control the phase delay between the polarization state of the electric wave in two orthogonal components. Finally, the circular shape of the transmitted pattern denotes the high performance of the metasurface which is integrated in the micro-LED for CP light emission. The work reported in this Letter might provide potential application in a 3D polarized light display.</description><identifier>ISSN: 0146-9592</identifier><identifier>EISSN: 1539-4794</identifier><identifier>DOI: 10.1364/OL.415150</identifier><language>eng</language><publisher>Washington: Optical Society of America</publisher><subject>Bragg reflectors ; Circular polarization ; Gallium nitrides ; Light emission ; Light emitting diodes ; Metasurfaces ; Polarized light ; Wave plates</subject><ispartof>Optics letters, 2021-06, Vol.46 (11), p.2666-2669</ispartof><rights>Copyright Optical Society of America Jun 1, 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c290t-73a7e153ed17273f9d6390277b07176e3dca121e89126ce7cc57712f9ce24ef43</citedby><cites>FETCH-LOGICAL-c290t-73a7e153ed17273f9d6390277b07176e3dca121e89126ce7cc57712f9ce24ef43</cites><orcidid>0000-0002-2100-3089</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,3258,27924,27925</link.rule.ids></links><search><creatorcontrib>Gao, Xiang</creatorcontrib><creatorcontrib>Xu, Yi</creatorcontrib><creatorcontrib>Huang, Jinpeng</creatorcontrib><creatorcontrib>Hu, Zelin</creatorcontrib><creatorcontrib>Zhu, Wenhui</creatorcontrib><creatorcontrib>Yi, Xiaoyan</creatorcontrib><creatorcontrib>Wang, Liancheng</creatorcontrib><title>Circularly polarized light emission from a GaN micro-LED integrated with functional metasurfaces for 3D display</title><title>Optics letters</title><description>This Letter proposes a circularly polarized (CP) light GaN micro-LED which is integrated with functional metasurfaces. The one-dimensional metallic nanograting can achieve a high transverse electric (TE) reflectivity ( R T E ) and extinction ratio (ER) of TE and transverse magnetic (TM) waves, which is highly polarized output for micro-LEDs. Besides, the nanograting, which is integrated on the bottom of the GaN layer, can also support a resonant cavity, together with the top distributed Bragg reflector, which can shape the radiation pattern. By optimizing the structure parameters of nanograting, the R T E achieves over 80%, and the ER reaches higher than 38 dB at 450 nm for the GaN micro-LED. Additionally, the metasurface, which acts as a quarter-wave plate, was investigated to control the phase delay between the polarization state of the electric wave in two orthogonal components. Finally, the circular shape of the transmitted pattern denotes the high performance of the metasurface which is integrated in the micro-LED for CP light emission. The work reported in this Letter might provide potential application in a 3D polarized light display.</description><subject>Bragg reflectors</subject><subject>Circular polarization</subject><subject>Gallium nitrides</subject><subject>Light emission</subject><subject>Light emitting diodes</subject><subject>Metasurfaces</subject><subject>Polarized light</subject><subject>Wave plates</subject><issn>0146-9592</issn><issn>1539-4794</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNpd0L1OwzAUBWALgUQpDLyBJRYYUvyT2PWI2lKQIrrAHBnnunWVxMFOhMrT46pMTGf5dHXPQeiWkhnlIn_clLOcFrQgZ2hCC66yXKr8HE0IzUWmCsUu0VWMe0KIkJxPkF-4YMZGh-aAe5_S_UCNG7fdDRhaF6PzHbbBt1jjtX7DrTPBZ-VqiV03wDboIfFvN-ywHTszJK0b3MKg4xisNhCx9QHzJa5d7Bt9uEYXVjcRbv5yij6eV--Ll6zcrF8XT2VmmCJDJrmWkP6HmkomuVW14IowKT-JpFIAr42mjMJcUSYMSGMKKSmzygDLweZ8iu5Pd_vgv0aIQ5XKGGga3YEfY8UKXsw54VIkeveP7v0YUo-jSkyIXJGkHk4q9Y8xgK364FodDhUl1XH6alNWp-n5L3wsdYY</recordid><startdate>20210601</startdate><enddate>20210601</enddate><creator>Gao, Xiang</creator><creator>Xu, Yi</creator><creator>Huang, Jinpeng</creator><creator>Hu, Zelin</creator><creator>Zhu, Wenhui</creator><creator>Yi, Xiaoyan</creator><creator>Wang, Liancheng</creator><general>Optical Society of America</general><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/0000-0002-2100-3089</orcidid></search><sort><creationdate>20210601</creationdate><title>Circularly polarized light emission from a GaN micro-LED integrated with functional metasurfaces for 3D display</title><author>Gao, Xiang ; Xu, Yi ; Huang, Jinpeng ; Hu, Zelin ; Zhu, Wenhui ; Yi, Xiaoyan ; Wang, Liancheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c290t-73a7e153ed17273f9d6390277b07176e3dca121e89126ce7cc57712f9ce24ef43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Bragg reflectors</topic><topic>Circular polarization</topic><topic>Gallium nitrides</topic><topic>Light emission</topic><topic>Light emitting diodes</topic><topic>Metasurfaces</topic><topic>Polarized light</topic><topic>Wave plates</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gao, Xiang</creatorcontrib><creatorcontrib>Xu, Yi</creatorcontrib><creatorcontrib>Huang, Jinpeng</creatorcontrib><creatorcontrib>Hu, Zelin</creatorcontrib><creatorcontrib>Zhu, Wenhui</creatorcontrib><creatorcontrib>Yi, Xiaoyan</creatorcontrib><creatorcontrib>Wang, Liancheng</creatorcontrib><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>Gao, Xiang</au><au>Xu, Yi</au><au>Huang, Jinpeng</au><au>Hu, Zelin</au><au>Zhu, Wenhui</au><au>Yi, Xiaoyan</au><au>Wang, Liancheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Circularly polarized light emission from a GaN micro-LED integrated with functional metasurfaces for 3D display</atitle><jtitle>Optics letters</jtitle><date>2021-06-01</date><risdate>2021</risdate><volume>46</volume><issue>11</issue><spage>2666</spage><epage>2669</epage><pages>2666-2669</pages><issn>0146-9592</issn><eissn>1539-4794</eissn><abstract>This Letter proposes a circularly polarized (CP) light GaN micro-LED which is integrated with functional metasurfaces. The one-dimensional metallic nanograting can achieve a high transverse electric (TE) reflectivity ( R T E ) and extinction ratio (ER) of TE and transverse magnetic (TM) waves, which is highly polarized output for micro-LEDs. Besides, the nanograting, which is integrated on the bottom of the GaN layer, can also support a resonant cavity, together with the top distributed Bragg reflector, which can shape the radiation pattern. By optimizing the structure parameters of nanograting, the R T E achieves over 80%, and the ER reaches higher than 38 dB at 450 nm for the GaN micro-LED. Additionally, the metasurface, which acts as a quarter-wave plate, was investigated to control the phase delay between the polarization state of the electric wave in two orthogonal components. Finally, the circular shape of the transmitted pattern denotes the high performance of the metasurface which is integrated in the micro-LED for CP light emission. The work reported in this Letter might provide potential application in a 3D polarized light display.</abstract><cop>Washington</cop><pub>Optical Society of America</pub><doi>10.1364/OL.415150</doi><tpages>4</tpages><orcidid>https://orcid.org/0000-0002-2100-3089</orcidid></addata></record> |
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source | Optica Publishing Group Journals |
subjects | Bragg reflectors Circular polarization Gallium nitrides Light emission Light emitting diodes Metasurfaces Polarized light Wave plates |
title | Circularly polarized light emission from a GaN micro-LED integrated with functional metasurfaces for 3D display |
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