Second harmonic generation in glass-based metasurfaces using tailored surface lattice resonances
Dielectric metasurfaces have shown prominent applications in nonlinear optics due to strong field enhancement and low dissipation losses at the nanoscale. Chalcogenide glasses are one of the promising materials for the observation of nonlinear effects thanks to their high intrinsic nonlinearities. H...
| Main Authors: | , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
De Gruyter
2021-08-01
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| Series: | Nanophotonics |
| Subjects: | |
| Online Access: | https://doi.org/10.1515/nanoph-2021-0277 |
| _version_ | 1818952241811292160 |
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| author | Das Gupta Tapajyoti Martin-Monier Louis Butet Jeremy Yang Kuang-Yu Leber Andreas Dong Chaoqun Nguyen-Dang Tung Yan Wei Martin Olivier J. F. Sorin Fabien |
| author_facet | Das Gupta Tapajyoti Martin-Monier Louis Butet Jeremy Yang Kuang-Yu Leber Andreas Dong Chaoqun Nguyen-Dang Tung Yan Wei Martin Olivier J. F. Sorin Fabien |
| author_sort | Das Gupta Tapajyoti |
| collection | DOAJ |
| description | Dielectric metasurfaces have shown prominent applications in nonlinear optics due to strong field enhancement and low dissipation losses at the nanoscale. Chalcogenide glasses are one of the promising materials for the observation of nonlinear effects thanks to their high intrinsic nonlinearities. Here, we demonstrate, experimentally and theoretically, that significant second harmonic generation (SHG) can be obtained within amorphous Selenium (Se)-based chalcogenide metasurfaces by exploiting the coupling between lattice and particle resonances. We further show that the high-quality factor resonance at the origin of the SHG can be tuned over a wide wavelength range using a simple and versatile fabrication approach. The measured second harmonic intensity is orders of magnitude higher than that from a dewetted Se film consisting of random Se nanoparticles. The achieved conversion efficiency in the resonance region is of the order of 10−6 which is comparable with direct bandgap materials and at least two orders of magnitude higher than that of conventional plasmonics- and Si-based structures. Fabricated via a simple and scalable technique, these all-dielectric architectures are ideal candidates for the design of flat nonlinear optical components on flexible substrates. |
| first_indexed | 2024-12-20T09:47:15Z |
| format | Article |
| id | doaj.art-33ba8c3a0cf14480bc4d06ab14afa88c |
| institution | Directory Open Access Journal |
| issn | 2192-8614 |
| language | English |
| last_indexed | 2024-12-20T09:47:15Z |
| publishDate | 2021-08-01 |
| publisher | De Gruyter |
| record_format | Article |
| series | Nanophotonics |
| spelling | doaj.art-33ba8c3a0cf14480bc4d06ab14afa88c2022-12-21T19:44:42ZengDe GruyterNanophotonics2192-86142021-08-0110133465347510.1515/nanoph-2021-0277Second harmonic generation in glass-based metasurfaces using tailored surface lattice resonancesDas Gupta Tapajyoti0Martin-Monier Louis1Butet Jeremy2Yang Kuang-Yu3Leber Andreas4Dong Chaoqun5Nguyen-Dang Tung6Yan Wei7Martin Olivier J. F.8Sorin Fabien9Indian Institute of Science, Bangalore, 560012, IndiaEcole Polytechnique Federale de Lausanne, Lausanne, VD, SwitzerlandEcole Polytechnique Federale de Lausanne, Lausanne, VD, SwitzerlandEcole Polytechnique Federale de Lausanne, Lausanne, VD, SwitzerlandEcole Polytechnique Federale de Lausanne, Lausanne, VD, SwitzerlandEcole Polytechnique Federale de Lausanne, Lausanne, VD, SwitzerlandCenter for Polymers and Organic Solids, University of California Santa Barbara, Chemistry Building, Room 3132, Santa Barbara, CA, 93106-9010, USAMIT, 77 Massachusetts Ave, Cambridge, MA, 02139-4307, USAEcole Polytechnique Federale de Lausanne, Lausanne, VD, SwitzerlandEcole Polytechnique Federale de Lausanne, Lausanne, VD, SwitzerlandDielectric metasurfaces have shown prominent applications in nonlinear optics due to strong field enhancement and low dissipation losses at the nanoscale. Chalcogenide glasses are one of the promising materials for the observation of nonlinear effects thanks to their high intrinsic nonlinearities. Here, we demonstrate, experimentally and theoretically, that significant second harmonic generation (SHG) can be obtained within amorphous Selenium (Se)-based chalcogenide metasurfaces by exploiting the coupling between lattice and particle resonances. We further show that the high-quality factor resonance at the origin of the SHG can be tuned over a wide wavelength range using a simple and versatile fabrication approach. The measured second harmonic intensity is orders of magnitude higher than that from a dewetted Se film consisting of random Se nanoparticles. The achieved conversion efficiency in the resonance region is of the order of 10−6 which is comparable with direct bandgap materials and at least two orders of magnitude higher than that of conventional plasmonics- and Si-based structures. Fabricated via a simple and scalable technique, these all-dielectric architectures are ideal candidates for the design of flat nonlinear optical components on flexible substrates.https://doi.org/10.1515/nanoph-2021-0277chalcogenide glasslarge area fabricationmetasurfacesecond harmonic generation; surface lattice resonance |
| spellingShingle | Das Gupta Tapajyoti Martin-Monier Louis Butet Jeremy Yang Kuang-Yu Leber Andreas Dong Chaoqun Nguyen-Dang Tung Yan Wei Martin Olivier J. F. Sorin Fabien Second harmonic generation in glass-based metasurfaces using tailored surface lattice resonances Nanophotonics chalcogenide glass large area fabrication metasurface second harmonic generation; surface lattice resonance |
| title | Second harmonic generation in glass-based metasurfaces using tailored surface lattice resonances |
| title_full | Second harmonic generation in glass-based metasurfaces using tailored surface lattice resonances |
| title_fullStr | Second harmonic generation in glass-based metasurfaces using tailored surface lattice resonances |
| title_full_unstemmed | Second harmonic generation in glass-based metasurfaces using tailored surface lattice resonances |
| title_short | Second harmonic generation in glass-based metasurfaces using tailored surface lattice resonances |
| title_sort | second harmonic generation in glass based metasurfaces using tailored surface lattice resonances |
| topic | chalcogenide glass large area fabrication metasurface second harmonic generation; surface lattice resonance |
| url | https://doi.org/10.1515/nanoph-2021-0277 |
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