Cargando…
Giant photothermal nonlinearity in a single silicon nanostructure
Silicon photonics have attracted significant interest because of their potential in integrated photonics components and all-dielectric meta-optics elements. One major challenge is to achieve active control via strong photon–photon interactions, i.e. optical nonlinearity, which is intrinsically weak...
Autores principales: | , , , , , , , , , , , , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2020
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7427991/ https://www.ncbi.nlm.nih.gov/pubmed/32796839 http://dx.doi.org/10.1038/s41467-020-17846-6 |
_version_ | 1783570991066120192 |
---|---|
author | Duh, Yi-Shiou Nagasaki, Yusuke Tang, Yu-Lung Wu, Pang-Han Cheng, Hao-Yu Yen, Te-Hsin Ding, Hou-Xian Nishida, Kentaro Hotta, Ikuto Yang, Jhen-Hong Lo, Yu-Ping Chen, Kuo-Ping Fujita, Katsumasa Chang, Chih-Wei Lin, Kung-Hsuan Takahara, Junichi Chu, Shi-Wei |
author_facet | Duh, Yi-Shiou Nagasaki, Yusuke Tang, Yu-Lung Wu, Pang-Han Cheng, Hao-Yu Yen, Te-Hsin Ding, Hou-Xian Nishida, Kentaro Hotta, Ikuto Yang, Jhen-Hong Lo, Yu-Ping Chen, Kuo-Ping Fujita, Katsumasa Chang, Chih-Wei Lin, Kung-Hsuan Takahara, Junichi Chu, Shi-Wei |
author_sort | Duh, Yi-Shiou |
collection | PubMed |
description | Silicon photonics have attracted significant interest because of their potential in integrated photonics components and all-dielectric meta-optics elements. One major challenge is to achieve active control via strong photon–photon interactions, i.e. optical nonlinearity, which is intrinsically weak in silicon. To boost the nonlinear response, practical applications rely on resonant structures such as microring resonators or photonic crystals. Nevertheless, their typical footprints are larger than 10 μm. Here, we show that 100 nm silicon nano-resonators exhibit a giant photothermal nonlinearity, yielding 90% reversible and repeatable modulation from linear scattering response at low excitation intensities. The equivalent nonlinear index is five-orders larger compared with bulk, based on Mie resonance enhanced absorption and high-efficiency heating in thermally isolated nanostructures. Furthermore, the nanoscale thermal relaxation time reaches nanosecond. This large and fast nonlinearity leads to potential applications for GHz all-optical control at the nanoscale and super-resolution imaging of silicon. |
format | Online Article Text |
id | pubmed-7427991 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | Nature Publishing Group UK |
record_format | MEDLINE/PubMed |
spelling | pubmed-74279912020-08-28 Giant photothermal nonlinearity in a single silicon nanostructure Duh, Yi-Shiou Nagasaki, Yusuke Tang, Yu-Lung Wu, Pang-Han Cheng, Hao-Yu Yen, Te-Hsin Ding, Hou-Xian Nishida, Kentaro Hotta, Ikuto Yang, Jhen-Hong Lo, Yu-Ping Chen, Kuo-Ping Fujita, Katsumasa Chang, Chih-Wei Lin, Kung-Hsuan Takahara, Junichi Chu, Shi-Wei Nat Commun Article Silicon photonics have attracted significant interest because of their potential in integrated photonics components and all-dielectric meta-optics elements. One major challenge is to achieve active control via strong photon–photon interactions, i.e. optical nonlinearity, which is intrinsically weak in silicon. To boost the nonlinear response, practical applications rely on resonant structures such as microring resonators or photonic crystals. Nevertheless, their typical footprints are larger than 10 μm. Here, we show that 100 nm silicon nano-resonators exhibit a giant photothermal nonlinearity, yielding 90% reversible and repeatable modulation from linear scattering response at low excitation intensities. The equivalent nonlinear index is five-orders larger compared with bulk, based on Mie resonance enhanced absorption and high-efficiency heating in thermally isolated nanostructures. Furthermore, the nanoscale thermal relaxation time reaches nanosecond. This large and fast nonlinearity leads to potential applications for GHz all-optical control at the nanoscale and super-resolution imaging of silicon. Nature Publishing Group UK 2020-08-14 /pmc/articles/PMC7427991/ /pubmed/32796839 http://dx.doi.org/10.1038/s41467-020-17846-6 Text en © The Author(s) 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. |
spellingShingle | Article Duh, Yi-Shiou Nagasaki, Yusuke Tang, Yu-Lung Wu, Pang-Han Cheng, Hao-Yu Yen, Te-Hsin Ding, Hou-Xian Nishida, Kentaro Hotta, Ikuto Yang, Jhen-Hong Lo, Yu-Ping Chen, Kuo-Ping Fujita, Katsumasa Chang, Chih-Wei Lin, Kung-Hsuan Takahara, Junichi Chu, Shi-Wei Giant photothermal nonlinearity in a single silicon nanostructure |
title | Giant photothermal nonlinearity in a single silicon nanostructure |
title_full | Giant photothermal nonlinearity in a single silicon nanostructure |
title_fullStr | Giant photothermal nonlinearity in a single silicon nanostructure |
title_full_unstemmed | Giant photothermal nonlinearity in a single silicon nanostructure |
title_short | Giant photothermal nonlinearity in a single silicon nanostructure |
title_sort | giant photothermal nonlinearity in a single silicon nanostructure |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7427991/ https://www.ncbi.nlm.nih.gov/pubmed/32796839 http://dx.doi.org/10.1038/s41467-020-17846-6 |
work_keys_str_mv | AT duhyishiou giantphotothermalnonlinearityinasinglesiliconnanostructure AT nagasakiyusuke giantphotothermalnonlinearityinasinglesiliconnanostructure AT tangyulung giantphotothermalnonlinearityinasinglesiliconnanostructure AT wupanghan giantphotothermalnonlinearityinasinglesiliconnanostructure AT chenghaoyu giantphotothermalnonlinearityinasinglesiliconnanostructure AT yentehsin giantphotothermalnonlinearityinasinglesiliconnanostructure AT dinghouxian giantphotothermalnonlinearityinasinglesiliconnanostructure AT nishidakentaro giantphotothermalnonlinearityinasinglesiliconnanostructure AT hottaikuto giantphotothermalnonlinearityinasinglesiliconnanostructure AT yangjhenhong giantphotothermalnonlinearityinasinglesiliconnanostructure AT loyuping giantphotothermalnonlinearityinasinglesiliconnanostructure AT chenkuoping giantphotothermalnonlinearityinasinglesiliconnanostructure AT fujitakatsumasa giantphotothermalnonlinearityinasinglesiliconnanostructure AT changchihwei giantphotothermalnonlinearityinasinglesiliconnanostructure AT linkunghsuan giantphotothermalnonlinearityinasinglesiliconnanostructure AT takaharajunichi giantphotothermalnonlinearityinasinglesiliconnanostructure AT chushiwei giantphotothermalnonlinearityinasinglesiliconnanostructure |