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Lett."],"published-print":{"date-parts":[[2026,9,15]]},"abstract":"<jats:p>\n                    Parallel and reconfigurable all-optical image processing are two important goals in optical computing, yet existing schemes can only achieve one: metasurface-based approaches enable parallel processing but are not reconfigurable, while nonlinear-optics-based approaches allow reconfigurable operators but lack parallel capability. Here, we numerically demonstrate a polarization-multiplexed nonlinear image processing scheme based on sum frequency generation (SFG) in monolayer MoS\n                    <jats:sub>2<\/jats:sub>\n                    and driven by a vector pump. Taking advantage of\n                    <jats:italic>D<\/jats:italic>\n                    <jats:sub>\n                      3\n                      <jats:italic>h<\/jats:italic>\n                    <\/jats:sub>\n                    symmetry of monolayer MoS\n                    <jats:sub>2<\/jats:sub>\n                    , the two orthogonal components of the vector pump beam can be independently designed to achieve two arranged image-processing operators in parallel. With a radial vector vortex pump, an isotropic edge map of the object is obtained directly, and continuous direction-tunable edge detection can be realized by rotating the polarization analyzer, which remains effective for arbitrary crystal orientations of monolayer MoS\n                    <jats:sub>2<\/jats:sub>\n                    .\n                  <\/jats:p>","DOI":"10.1364\/ol.609807","type":"journal-article","created":{"date-parts":[[2026,8,16]],"date-time":"2026-08-16T18:00:10Z","timestamp":1786903210000},"page":"5161","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Polarization-multiplexed nonlinear image processing in monolayer MoS\n                    <sub>2<\/sub>"],"prefix":"10.1364","volume":"51","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8770-0231","authenticated-orcid":true,"given":"Mingsheng","family":"Gao","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04qr3zq92","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5824-760X","authenticated-orcid":true,"given":"Jun","family":"Yao","sequence":"additional","affiliation":[{"name":"Xihua University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-7529-9422","authenticated-orcid":true,"given":"Zixian","family":"Ma","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04qr3zq92","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lu","family":"Peng","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04qr3zq92","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiadian","family":"Yan","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04qr3zq92","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xuanbin","family":"Chen","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04qr3zq92","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9354-2586","authenticated-orcid":true,"given":"Dongmei","family":"Deng","sequence":"additional","affiliation":[{"name":"South China Normal University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qing","family":"Zhang","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04qr3zq92","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5901-2872","authenticated-orcid":true,"given":"Yuanjie","family":"Yang","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04qr3zq92","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2026,9,9]]},"reference":[{"key":"ol-51-18-5161-R1","doi-asserted-by":"publisher","first-page":"261","DOI":"10.1038\/nphoton.2010.94","type":"journal-article","volume":"4","author":"Caulfield","year":"2010","journal-title":"Nat. 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All rights, including for text and data mining (TDM), Artificial Intelligence (AI) training, and similar technologies, are reserved.","name":"copyright","label":"Copyright"}]}}