{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T17:26:40Z","timestamp":1785432400582,"version":"3.56.0"},"reference-count":22,"publisher":"Optica Publishing Group","issue":"13","license":[{"start":{"date-parts":[[2026,6,23]],"date-time":"2026-06-23T00:00:00Z","timestamp":1782172800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/doi.org\/10.1364\/OA_License_v2#VOR"},{"start":{"date-parts":[[2026,6,23]],"date-time":"2026-06-23T00:00:00Z","timestamp":1782172800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/opg.optica.org\/policies\/opg-tdm-policy.json"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of\n\t\t\t\t\t\tChina","doi-asserted-by":"crossref","award":["62405343"],"award-info":[{"award-number":["62405343"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"},{"id":"https:\/\/ror.org\/01h0zpd94","id-type":"ROR","asserted-by":"publisher"}]},{"name":"Young Elite Scientists Sponsorship\n\t\t\t\t\t\tProgram by CAST","award":["2023QNRC001"],"award-info":[{"award-number":["2023QNRC001"]}]},{"DOI":"10.13039\/501100002858","name":"China Postdoctoral Science\n\t\t\t\t\t\tFoundation","doi-asserted-by":"crossref","award":["GZC20241816"],"award-info":[{"award-number":["GZC20241816"]}],"id":[{"id":"10.13039\/501100002858","id-type":"DOI","asserted-by":"crossref"},{"id":"https:\/\/ror.org\/0426zh255","id-type":"ROR","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002858","name":"China Postdoctoral Science\n\t\t\t\t\t\tFoundation","doi-asserted-by":"crossref","award":["2024T170966"],"award-info":[{"award-number":["2024T170966"]}],"id":[{"id":"10.13039\/501100002858","id-type":"DOI","asserted-by":"crossref"},{"id":"https:\/\/ror.org\/0426zh255","id-type":"ROR","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002858","name":"China Postdoctoral Science\n\t\t\t\t\t\tFoundation","doi-asserted-by":"crossref","award":["2024M763401"],"award-info":[{"award-number":["2024M763401"]}],"id":[{"id":"10.13039\/501100002858","id-type":"DOI","asserted-by":"crossref"},{"id":"https:\/\/ror.org\/0426zh255","id-type":"ROR","asserted-by":"publisher"}]}],"content-domain":{"domain":["opg.optica.org"],"crossmark-restriction":false},"short-container-title":["Opt. Lett."],"published-print":{"date-parts":[[2026,7,1]]},"abstract":"<jats:p>\n                    Spectral beam combining (SBC) using diffraction gratings offers a\n\t\t\t\t\tcompact route to scaling laser power and spectral coverage, yet its\n\t\t\t\t\tdevelopment is fundamentally limited by the daunting challenge of\n\t\t\t\t\tfabricating large-aperture, high-quality gratings required for\n\t\t\t\t\tmulti-channel systems. Here, we propose a Jigsaw-grating architecture\n\t\t\t\t\tto overcome the geometric limitations and fabrication constraints\n\t\t\t\t\tinherent in conventional dual-grating SBC systems. Guided by numerical\n\t\t\t\t\tanalysis of the impacts of jigsaw misalignment and fabrication error\n\t\t\t\t\ton combined beam quality, four mid-infrared optical parametric\n\t\t\t\t\toscillator lasers (3.1\u20133.7\u2009\u03bcm) with\n\t\t\t\t\tself-developed, robust gratings were successfully combined. Combined\n\t\t\t\t\tlaser achieved 50.8\u2009W output power at high grating-combining\n\t\t\t\t\tefficiency up to 92.1% while maintaining high beam quality (M\n                    <jats:sub>x<\/jats:sub>\n                    <jats:sup>2<\/jats:sup>\n                    = 1.76, M\n                    <jats:sub>y<\/jats:sub>\n                    <jats:sup>2<\/jats:sup>\n                    = 1.46)\u2014ranking among the\n\t\t\t\t\thighest combined powers in this spectral range. The architecture\n\t\t\t\t\testablishes a scalable wavelength-agile platform for high-power lasers\n\t\t\t\t\tacross multiple spectral bands.\n                  <\/jats:p>","DOI":"10.1364\/ol.600514","type":"journal-article","created":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T19:00:09Z","timestamp":1780513209000},"page":"3593","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["High power continuous-wave mid-infrared laser spectral beam combining via Jigsaw-grating architecture"],"prefix":"10.1364","volume":"51","author":[{"given":"Wuguang","family":"Cui","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/03g897070","id-type":"ROR","asserted-by":"publisher"}]},{"name":"University of Chinese Academy of Sciences"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4714-6579","authenticated-orcid":true,"given":"Yuxing","family":"Han","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/03g897070","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7138-1048","authenticated-orcid":true,"given":"Yunxia","family":"Jin","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/03g897070","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiao","family":"Li","sequence":"additional","affiliation":[{"name":"National University of Defense Technology"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jianda","family":"Shao","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/03g897070","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2026,6,23]]},"reference":[{"key":"ol-51-13-3593-R1","doi-asserted-by":"publisher","first-page":"405","DOI":"10.1364\/ol.25.000405","type":"journal-article","volume":"25","author":"Daneu","year":"2000","journal-title":"Opt. Lett."},{"key":"ol-51-13-3593-R2","doi-asserted-by":"publisher","first-page":"21317","DOI":"10.1063\/1.5037274","type":"journal-article","volume":"6","author":"Ma","year":"2019","journal-title":"Appl. Phys.\n\t\t\t\t\tRev."},{"key":"ol-51-13-3593-R3","doi-asserted-by":"publisher","first-page":"16216","DOI":"10.1364\/OE.17.016216","type":"journal-article","volume":"17","author":"Lee","year":"2009","journal-title":"Opt.\n\t\t\t\t\tExpress"},{"key":"ol-51-13-3593-R4","doi-asserted-by":"publisher","first-page":"20736","DOI":"10.1109\/ACCESS.2017.2755678","type":"journal-article","volume":"5","author":"Kaushal","year":"2017","journal-title":"IEEE Access"},{"key":"ol-51-13-3593-R5","doi-asserted-by":"publisher","first-page":"337","DOI":"10.1109\/JSTQE.2008.2012266","type":"journal-article","volume":"15","author":"Madasamy","year":"2009","journal-title":"IEEE J. Sel. Top.\n\t\t\t\t\tQuantum Electron."},{"key":"ol-51-13-3593-R6","doi-asserted-by":"publisher","first-page":"108970E","DOI":"10.1117\/12.2508674","type":"journal-article","volume":"10897","author":"Strecker","year":"2019","journal-title":"Proc. SPIE"},{"key":"ol-51-13-3593-R7","doi-asserted-by":"publisher","first-page":"12063","DOI":"10.1364\/OE.24.012063","type":"journal-article","volume":"24","author":"Zheng","year":"2016","journal-title":"Opt.\n\t\t\t\t\tExpress"},{"key":"ol-51-13-3593-R8","doi-asserted-by":"publisher","first-page":"128650S","DOI":"10.1117\/12.3001640","type":"journal-article","volume":"12865","author":"M\u00f6ller","year":"2024","journal-title":"Proc. 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Quantum\n\t\t\t\t\tElectron."}],"container-title":["Optics Letters"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/opg.optica.org\/viewmedia.cfm?URI=ol-51-13-3593&seq=0","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,6,23]],"date-time":"2026-06-23T15:38:08Z","timestamp":1782229088000},"score":1,"resource":{"primary":{"URL":"https:\/\/opg.optica.org\/abstract.cfm?URI=ol-51-13-3593"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,6,23]]},"references-count":22,"journal-issue":{"issue":"13","published-online":{"date-parts":[[2026]]},"published-print":{"date-parts":[[2026]]}},"URL":"https:\/\/doi.org\/10.1364\/ol.600514","relation":{},"ISSN":["0146-9592","1539-4794"],"issn-type":[{"value":"0146-9592","type":"print"},{"value":"1539-4794","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,6,23]]},"assertion":[{"value":"Optica Publishing Group","name":"publisher","label":"This article is maintained by"},{"value":"https:\/\/doi.org\/10.1364\/OL.600514","name":"articlelink","label":"Crossref DOI link to publisher maintained version"},{"value":"letter","name":"content_type","label":"Article type"},{"value":"Screened by Similarity Check","name":"cross_check","label":"Similarity check"},{"value":"Yes","order":0,"name":"peer_reviewed","label":"Peer reviewed","group":{"name":"peer_review","label":"Peer review"}},{"value":"Single blind","order":1,"name":"review_process","label":"Review process","group":{"name":"peer_review","label":"Peer review"}},{"value":"1 April 2026","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2 June 2026","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"23 June 2026","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}},{"value":"\u00a9 2026 Optica Publishing Group. All rights,\n\t\t\t\t\tincluding for text and data mining (TDM), Artificial Intelligence (AI)\n\t\t\t\t\ttraining, and similar technologies, are\n\t\t\t\t\treserved.","name":"copyright","label":"Copyright"}]}}