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Adv."],"published-print":{"date-parts":[[2026,2,6]]},"abstract":"<jats:p>\n                    Semiconductor whispering gallery mode (WGM)\u2013visible microlasers are promising compact, on-chip light sources for high-speed visible-light communication due to their small footprints, high\n                    <jats:italic toggle=\"yes\">Q<\/jats:italic>\n                    factors, and in-plane emission. However, achieving fabrication robustness, precise mode selection, narrow linewidths, and low thresholds for WGM-visible microlasers remains challenging. Here, we report a scalable strategy to fabricate continuous-wave, electrically pumped WGM blue microlasers based on III-nitride semiconductors with low threshold current densities and high slope efficiencies across diverse diameters from 10 to 160\u00a0micrometers. This high performance was achieved through effective vertical optical confinement by the waveguide structures and minimal sidewall scattering from atomically smooth surfaces. We further converted the laser cavity from a microdisk to a microring, which suppresses high-order WGMs and allows for single-mode operation with a high\n                    <jats:italic toggle=\"yes\">Q<\/jats:italic>\n                    factor of 17,066. The omnidirectional in-plane radiation of WGM microlasers demonstrates angle-independent, high-modulation bandwidths, enabling synchronous broadcasting communication with high data transmission rates.\n                  <\/jats:p>","DOI":"10.1126\/sciadv.aeb1682","type":"journal-article","created":{"date-parts":[[2026,2,6]],"date-time":"2026-02-06T18:59:10Z","timestamp":1770404350000},"update-policy":"https:\/\/doi.org\/10.34133\/aaas_crossmark","source":"Crossref","is-referenced-by-count":6,"title":["Electrically pumped single-mode microlasers with omnidirectional radiation for optical broadcasting communication"],"prefix":"10.1126","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3024-3401","authenticated-orcid":true,"given":"Feifan","family":"Xu","sequence":"first","affiliation":[{"name":"School of Electronic Science and Engineering, Nanjing University, Nanjing 210093, China."},{"name":"Jiangsu Key Laboratory of Advanced Semiconductors and High Energy Efficiency Devices, Nanjing University, Nanjing 210093, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jushi","family":"Liu","sequence":"additional","affiliation":[{"name":"Jiangsu Key Laboratory of Advanced Semiconductors and High Energy Efficiency Devices, Nanjing University, Nanjing 210093, China."},{"name":"School of Integrated Circuits, Nanjing University, Suzhou 215163, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-5905-1144","authenticated-orcid":true,"given":"Yimeng","family":"Sang","sequence":"additional","affiliation":[{"name":"Jiangsu Key Laboratory of Advanced Semiconductors and High Energy Efficiency Devices, Nanjing University, Nanjing 210093, China."},{"name":"School of Integrated Circuits, Nanjing University, Suzhou 215163, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8601-8583","authenticated-orcid":true,"given":"Tao","family":"Tao","sequence":"additional","affiliation":[{"name":"School of Electronic Science and Engineering, Nanjing University, Nanjing 210093, China."},{"name":"Jiangsu Key Laboratory of Advanced Semiconductors and High Energy Efficiency Devices, Nanjing University, Nanjing 210093, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0481-5149","authenticated-orcid":true,"given":"Junlong","family":"Kou","sequence":"additional","affiliation":[{"name":"School of Electronic Science and Engineering, Nanjing University, Nanjing 210093, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jianping","family":"Liu","sequence":"additional","affiliation":[{"name":"Key Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences (CAS), Suzhou 215123, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ting","family":"Zhi","sequence":"additional","affiliation":[{"name":"College of Electronic and Optical Engineering and the College of Microelectronics, Nanjing University of Posts and Telecommunications, Nanjing 210093, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2565-5500","authenticated-orcid":true,"given":"Zhe","family":"Zhuang","sequence":"additional","affiliation":[{"name":"Jiangsu Key Laboratory of Advanced Semiconductors and High Energy Efficiency Devices, Nanjing University, Nanjing 210093, China."},{"name":"School of Integrated Circuits, Nanjing University, Suzhou 215163, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0015-6331","authenticated-orcid":true,"given":"Rong","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Electronic Science and Engineering, Nanjing University, Nanjing 210093, China."},{"name":"Jiangsu Key Laboratory of Advanced Semiconductors and High Energy Efficiency Devices, Nanjing University, Nanjing 210093, China."},{"name":"Fujian Key Laboratory of Semiconductor Materials and Applications, MOE Engineering Research Center of Micro-nano Optoelectronic Materials and Devices, Department of Physics, Xiamen University, Xiamen 361005, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9495-6809","authenticated-orcid":true,"given":"Bin","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Electronic Science and Engineering, Nanjing University, Nanjing 210093, China."},{"name":"Jiangsu Key Laboratory of Advanced Semiconductors and High Energy Efficiency Devices, Nanjing University, Nanjing 210093, China."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"221","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.3390\/photonics10090993"},{"key":"e_1_3_2_3_2","doi-asserted-by":"crossref","unstructured":"Z. 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