Transverse localization of light in laser written designed disorder
Transverse Anderson localization provides the lateral confinement of electromagnetic waves in disordered systems that are invariant along the propagation direction. Here, we demonstrate a disorder induced confinement in glass microstructures where disorder is fabricated ad hoc by the femtosecond dir...
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| Veröffentlicht in: | Applied physics letters 2020-02, Vol.116 (7) |
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| container_title | Applied physics letters |
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| creator | Gianfrate, A. Dominici, L. Ballarini, D. Sanvitto, D. Leonetti, M. |
| description | Transverse Anderson localization provides the lateral confinement of electromagnetic waves in disordered systems that are invariant along the propagation direction. Here, we demonstrate a disorder induced confinement in glass microstructures where disorder is fabricated ad hoc by the femtosecond direct laser writing technique. By employing a high numerical aperture objective, we are able to write parallel arrays of tiny tubes with a refractive index higher than the surrounding glass and to arrange them in a disordered fashion in the transversal plane. We demonstrate that these paraxial scatterers are supporting transverse localization and that the confinement strength depends on the disorder properties. The proposed approach, which relies on a user-controlled positioning of individual scatterers, allows us to finely tune the structural design, maximizing the transversal confinement. |
| doi_str_mv | 10.1063/1.5142161 |
| format | Article |
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The proposed approach, which relies on a user-controlled positioning of individual scatterers, allows us to finely tune the structural design, maximizing the transversal confinement.</description><subject>Anderson localization</subject><subject>Applied physics</subject><subject>Confinement</subject><subject>Direct laser writing</subject><subject>Electromagnetic radiation</subject><subject>Glass</subject><subject>Numerical aperture</subject><subject>Refractivity</subject><subject>Structural design</subject><subject>Tubes</subject><subject>Wave propagation</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp90MFKAzEQBuAgCtbqwTcIeFLYmkm6aXKUYlUoeKnnkGySmrJuapJW9OldbdGDIHMYBj5mmB-hcyAjIJxdw6iGMQUOB2gAZDKpGIA4RANCCKu4rOEYneS86seaMjZA00XSXd66lB1uY6Pb8KFLiB2OHrdh-Vxw6HCrs0v4LYVSXIety2HZOYttyDFZl07Rkddtdmf7PkRPs9vF9L6aP949TG_mVcM4LZWsqYDGauqdN15oS4QhlvfDWNixMY2W1DTgpdGiLy-l49IIS4wGwSRhQ3Sx27tO8XXjclGruEldf1JRVgsCBCTv1eVONSnmnJxX6xRedHpXQNRXRgrUPqPeXu1sbkL5_vsHb2P6hWpt_X_47-ZPVAZ2Hg</recordid><startdate>20200218</startdate><enddate>20200218</enddate><creator>Gianfrate, A.</creator><creator>Dominici, L.</creator><creator>Ballarini, D.</creator><creator>Sanvitto, D.</creator><creator>Leonetti, M.</creator><general>American Institute of Physics</general><scope>AJDQP</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0003-4669-0230</orcidid><orcidid>https://orcid.org/0000-0002-5860-7089</orcidid><orcidid>https://orcid.org/0000-0001-7106-0850</orcidid><orcidid>https://orcid.org/0000-0002-3831-8829</orcidid><orcidid>https://orcid.org/0000-0002-2453-5849</orcidid></search><sort><creationdate>20200218</creationdate><title>Transverse localization of light in laser written designed disorder</title><author>Gianfrate, A. ; Dominici, L. ; Ballarini, D. ; Sanvitto, D. ; Leonetti, M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c362t-95281cda2fefbf8ad08b0d6efb48d4bbca92bc1f9ba8a8af99e69b8d0ba183903</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Anderson localization</topic><topic>Applied physics</topic><topic>Confinement</topic><topic>Direct laser writing</topic><topic>Electromagnetic radiation</topic><topic>Glass</topic><topic>Numerical aperture</topic><topic>Refractivity</topic><topic>Structural design</topic><topic>Tubes</topic><topic>Wave propagation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gianfrate, A.</creatorcontrib><creatorcontrib>Dominici, L.</creatorcontrib><creatorcontrib>Ballarini, D.</creatorcontrib><creatorcontrib>Sanvitto, D.</creatorcontrib><creatorcontrib>Leonetti, M.</creatorcontrib><collection>AIP Open Access Journals</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gianfrate, A.</au><au>Dominici, L.</au><au>Ballarini, D.</au><au>Sanvitto, D.</au><au>Leonetti, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Transverse localization of light in laser written designed disorder</atitle><jtitle>Applied physics letters</jtitle><date>2020-02-18</date><risdate>2020</risdate><volume>116</volume><issue>7</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><coden>APPLAB</coden><abstract>Transverse Anderson localization provides the lateral confinement of electromagnetic waves in disordered systems that are invariant along the propagation direction. 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| identifier | ISSN: 0003-6951 |
| ispartof | Applied physics letters, 2020-02, Vol.116 (7) |
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| language | eng |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Anderson localization Applied physics Confinement Direct laser writing Electromagnetic radiation Glass Numerical aperture Refractivity Structural design Tubes Wave propagation |
| title | Transverse localization of light in laser written designed disorder |
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