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dc.contributor.authorLiang, Wei-Yunen_US
dc.contributor.authorLiu, Fangzhouen_US
dc.contributor.authorLu, Yu-Jungen_US
dc.contributor.authorPopovic, Jasminkaen_US
dc.contributor.authorDjurisic, Aleksandraen_US
dc.contributor.authorAhn, Hyeyoungen_US
dc.date.accessioned2020-10-05T02:01:59Z-
dc.date.available2020-10-05T02:01:59Z-
dc.date.issued2020-08-17en_US
dc.identifier.issn1094-4087en_US
dc.identifier.urihttp://dx.doi.org/10.1364/OE.394172en_US
dc.identifier.urihttp://hdl.handle.net/11536/155412-
dc.description.abstractThe nonlinear optical properties of low-dimensional polycrystalline halide perovskite films consisting of ethylammonium (EA) and butylammonium (BA) cations are investigated using Z-scan technique. Across the band-edge, two-dimensional (BA)(2)PbI4 exhibits a transition from saturable absorption (SA) to reverse-SA and its nonlinear absorption and nonlinear refractive index are much smaller than those of bulk counterparts. Meanwhile, EAPbI(3) with one-dimensionality of the inorganic structure shows the SA behavior both above and below band-edge and the estimated nonlinear optical parameters of polycrystalline EAPbI(3) are comparable to those of single-crystalline ones, attributed to high dielectric contrast between the inorganic and organic elements in one-dimensional structures. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreementen_US
dc.language.isoen_USen_US
dc.titleHigh optical nonlinearity in low-dimensional halide perovskite polycrystalline filmsen_US
dc.typeArticleen_US
dc.identifier.doi10.1364/OE.394172en_US
dc.identifier.journalOPTICS EXPRESSen_US
dc.citation.volume28en_US
dc.citation.issue17en_US
dc.citation.spage24919en_US
dc.citation.epage24927en_US
dc.contributor.department光電工程學系zh_TW
dc.contributor.departmentDepartment of Photonicsen_US
dc.identifier.wosnumberWOS:000560936200048en_US
dc.citation.woscount0en_US
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