{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["12(1)"],"submitter":["Nishida K"],"pubmed_abstract":["In this paper, we theoretically and experimentally demonstrated photothermal nonlinearities of both forward and backward scattering intensities from quasi-perfect absorbing silicon-based metasurface with only <i>λ</i>/7 thickness. The metasurface is efficiently heated up by photothermal effect under laser irradiation, which in turn modulates the scattering spectra via thermo-optical effect. Under a few milliwatt continuous-wave excitation at the resonance wavelength of the metasurface, backward scattering cross-section doubles, and forward scattering cross-section reduces to half. Our study opens up the all-optical dynamical control of the scattering directionality, which would be applicable to silicon photonic devices."],"journal":["Nanophotonics (Berlin, Germany)"],"pagination":["139-146"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11501191"],"repository":["biostudies-literature"],"pubmed_title":["All-optical scattering control in an all-dielectric quasi-perfect absorbing Huygens' metasurface."],"pmcid":["PMC11501191"],"pubmed_authors":["Takahara J","Nishida K","Yen TH","Tang YL","Sasai K","Xu R","Chu SW"],"additional_accession":[]},"is_claimable":false,"name":"All-optical scattering control in an all-dielectric quasi-perfect absorbing Huygens' metasurface.","description":"In this paper, we theoretically and experimentally demonstrated photothermal nonlinearities of both forward and backward scattering intensities from quasi-perfect absorbing silicon-based metasurface with only <i>λ</i>/7 thickness. The metasurface is efficiently heated up by photothermal effect under laser irradiation, which in turn modulates the scattering spectra via thermo-optical effect. Under a few milliwatt continuous-wave excitation at the resonance wavelength of the metasurface, backward scattering cross-section doubles, and forward scattering cross-section reduces to half. Our study opens up the all-optical dynamical control of the scattering directionality, which would be applicable to silicon photonic devices.","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Jan","modification":"2025-04-04T01:05:58.991Z","creation":"2025-04-04T01:05:58.991Z"},"accession":"S-EPMC11501191","cross_references":{"pubmed":["39633641"],"doi":["10.1515/nanoph-2022-0597"]}}