Experimental Observation of Superscattering
Superscattering, induced by degenerate resonances, breaks the fundamental single-channel limit of the scattering cross section of subwavelength structures; in principle, an arbitrarily large total cross section can be achieved via superscattering. It thus provides a unique way to strengthen the ligh...
| Main Authors: | , , , , , , , , |
|---|---|
| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
American Physical Society
2019
|
| Online Access: | http://hdl.handle.net/1721.1/120810 https://orcid.org/0000-0003-2691-1892 |
| _version_ | 1826217543117832192 |
|---|---|
| author | Qian, Chao Lin, Xiao Yang, Yi Xiong, Xiaoyan Wang, Huaping Li, Erping Zhang, Baile Chen, Hongsheng Kaminer, Ido Efraim |
| author2 | Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science |
| author_facet | Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science Qian, Chao Lin, Xiao Yang, Yi Xiong, Xiaoyan Wang, Huaping Li, Erping Zhang, Baile Chen, Hongsheng Kaminer, Ido Efraim |
| author_sort | Qian, Chao |
| collection | MIT |
| description | Superscattering, induced by degenerate resonances, breaks the fundamental single-channel limit of the scattering cross section of subwavelength structures; in principle, an arbitrarily large total cross section can be achieved via superscattering. It thus provides a unique way to strengthen the light-matter interaction at the subwavelength scale, and has many potential applications in sensing, energy harvesting, bioimaging (such as magnetic resonance imaging), communication, and optoelectronics. However, the experimental demonstration of superscattering remains an open challenge due to its vulnerability to structural imperfections and intrinsic material losses. Here we report the first experimental evidence for superscattering by demonstrating the superscattering simultaneously in two different frequency regimes through both the far-field and near-field measurements. The underlying mechanism for the observed superscattering is the degenerate resonances of confined surface waves, by utilizing a subwavelength metasurface-based multilayer structure. Our work paves the way towards practical applications based on superscattering. |
| first_indexed | 2024-09-23T17:05:20Z |
| format | Article |
| id | mit-1721.1/120810 |
| institution | Massachusetts Institute of Technology |
| language | English |
| last_indexed | 2024-09-23T17:05:20Z |
| publishDate | 2019 |
| publisher | American Physical Society |
| record_format | dspace |
| spelling | mit-1721.1/1208102022-09-29T23:35:45Z Experimental Observation of Superscattering Qian, Chao Lin, Xiao Yang, Yi Xiong, Xiaoyan Wang, Huaping Li, Erping Zhang, Baile Chen, Hongsheng Kaminer, Ido Efraim Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology. Department of Physics Kaminer, Ido Efraim Superscattering, induced by degenerate resonances, breaks the fundamental single-channel limit of the scattering cross section of subwavelength structures; in principle, an arbitrarily large total cross section can be achieved via superscattering. It thus provides a unique way to strengthen the light-matter interaction at the subwavelength scale, and has many potential applications in sensing, energy harvesting, bioimaging (such as magnetic resonance imaging), communication, and optoelectronics. However, the experimental demonstration of superscattering remains an open challenge due to its vulnerability to structural imperfections and intrinsic material losses. Here we report the first experimental evidence for superscattering by demonstrating the superscattering simultaneously in two different frequency regimes through both the far-field and near-field measurements. The underlying mechanism for the observed superscattering is the degenerate resonances of confined surface waves, by utilizing a subwavelength metasurface-based multilayer structure. Our work paves the way towards practical applications based on superscattering. 2019-03-07T18:38:10Z 2019-03-07T18:38:10Z 2019-02 2018-09 2019-02-11T18:00:19Z Article http://purl.org/eprint/type/JournalArticle 0031-9007 1079-7114 http://hdl.handle.net/1721.1/120810 Qian, Chao et al. "Experimental Observation of Superscattering." Physical Review Letters 122, 6 (February 2019): 063901 © 2019 American Physical Society https://orcid.org/0000-0003-2691-1892 en http://dx.doi.org/10.1103/PhysRevLett.122.063901 Physical Review Letters Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. American Physical Society application/pdf American Physical Society American Physical Society |
| spellingShingle | Qian, Chao Lin, Xiao Yang, Yi Xiong, Xiaoyan Wang, Huaping Li, Erping Zhang, Baile Chen, Hongsheng Kaminer, Ido Efraim Experimental Observation of Superscattering |
| title | Experimental Observation of Superscattering |
| title_full | Experimental Observation of Superscattering |
| title_fullStr | Experimental Observation of Superscattering |
| title_full_unstemmed | Experimental Observation of Superscattering |
| title_short | Experimental Observation of Superscattering |
| title_sort | experimental observation of superscattering |
| url | http://hdl.handle.net/1721.1/120810 https://orcid.org/0000-0003-2691-1892 |
| work_keys_str_mv | AT qianchao experimentalobservationofsuperscattering AT linxiao experimentalobservationofsuperscattering AT yangyi experimentalobservationofsuperscattering AT xiongxiaoyan experimentalobservationofsuperscattering AT wanghuaping experimentalobservationofsuperscattering AT lierping experimentalobservationofsuperscattering AT zhangbaile experimentalobservationofsuperscattering AT chenhongsheng experimentalobservationofsuperscattering AT kamineridoefraim experimentalobservationofsuperscattering |