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Contrasting postgrowth methods yielding emission blueshift, our approach achieves bidirectional (blue and red) emission wavelength shifts, offering flexibility, without requiring an implantation mask for site selectivity. Our experimental results also address inhomogeneous broadening due to size and spatial variations in epitaxial QDs enhancing spectral uniformity. Additionally, focused ion implantation suppresses wetting layer (WL) emission, improving spectral purity, with controlled PL reduction tailored by ion dose. The wider ability to achieve red shifts enhanced linewidth and reduced WL emission without using postimplantation thermal annealing through this method is confirmed using boron (B, group III). Selected for its contrasting electronic doping and significantly different mass compared with Sb, consistent spectral modification was achieved. Dynamic and static simulations were carried out to determine ion and defect profiles, and intermixing corroborated by high\u2010resolution micro\u2010PL spectroscopy resolving individual QD emission. This scalable approach supports site\u2010selective QD engineering for advanced photonic integrated circuits (PICs), nanophotonic, and quantum systems such as single\u2010photon emitters and solid\u2010state quantum memories.<\/jats:p>","DOI":"10.1002\/nap2.70162","type":"journal-article","created":{"date-parts":[[2026,6,13]],"date-time":"2026-06-13T07:15:32Z","timestamp":1781334932000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Photonic Properties of InAs Quantum Dots by Post\u2010Growth Maskless Site\u2010Selective Focused Ion Beam Implantation"],"prefix":"10.1002","volume":"15","author":[{"given":"Mehdi","family":"Ahmadian","sequence":"first","affiliation":[{"name":"Photon Science Institute (PSI) Department of Electrical &amp; Electronic Engineering University of Manchester  Manchester UK"},{"name":"EPSRC Centre for Doctoral Training (CDT) in Compound Semiconductor Manufacturing Cardiff University  Cardiff UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Young In","family":"Na","sequence":"additional","affiliation":[{"name":"National Epitaxy Facility (NEF) Nanoscience and Technology Centre University of Sheffield  Sheffield UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maddison","family":"Coke","sequence":"additional","affiliation":[{"name":"Photon Science Institute (PSI) Department of Electrical &amp; Electronic Engineering University of Manchester  Manchester UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel","family":"Blight","sequence":"additional","affiliation":[{"name":"Photon Science Institute (PSI) Department of Electrical &amp; Electronic Engineering University of Manchester  Manchester UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akshay Kumar","family":"Verma","sequence":"additional","affiliation":[{"name":"National Epitaxy Facility (NEF) Nanoscience and Technology Centre University of Sheffield  Sheffield UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mark C.","family":"Rosamond","sequence":"additional","affiliation":[{"name":"School of Electronic and Electrical Engineering University of Leeds  Leeds UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ian","family":"Farrer","sequence":"additional","affiliation":[{"name":"National Epitaxy Facility (NEF) Nanoscience and Technology Centre University of Sheffield  Sheffield UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jon","family":"Heffernan","sequence":"additional","affiliation":[{"name":"National Epitaxy Facility (NEF) Nanoscience and Technology Centre University of Sheffield  Sheffield UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Richard J.","family":"Curry","sequence":"additional","affiliation":[{"name":"Photon Science Institute (PSI) Department of Electrical &amp; Electronic Engineering University of Manchester  Manchester UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,6,13]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1109\/JSTQE.2017.2754583"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.1109\/JLT.2018.2840223"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.3390\/s17081788"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41566\u2010024\u201001403\u20104"},{"key":"e_1_2_11_6_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41565\u2010019\u20100435\u20109"},{"key":"e_1_2_11_7_1","doi-asserted-by":"publisher","DOI":"10.1088\/0022\u20103727\/48\/8\/085101"},{"key":"e_1_2_11_8_1","doi-asserted-by":"publisher","DOI":"10.1109\/JLT.2021.3136814"},{"key":"e_1_2_11_9_1","doi-asserted-by":"publisher","DOI":"10.3390\/app12010263"},{"key":"e_1_2_11_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.mejo.2017.12.012"},{"key":"e_1_2_11_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.aeue.2019.02.015"},{"key":"e_1_2_11_12_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10825\u2010020\u201001590\u20107"},{"key":"e_1_2_11_13_1","doi-asserted-by":"publisher","DOI":"10.1063\/1.5021345"},{"key":"e_1_2_11_14_1","doi-asserted-by":"publisher","DOI":"10.1002\/lpor.201500321"},{"key":"e_1_2_11_15_1","doi-asserted-by":"publisher","DOI":"10.1088\/1361\u20106641\/aae6a5"},{"key":"e_1_2_11_16_1","doi-asserted-by":"publisher","DOI":"10.1109\/TED.2003.813907"},{"key":"e_1_2_11_17_1","doi-asserted-by":"publisher","DOI":"10.1109\/JQE.2010.2058793"},{"key":"e_1_2_11_18_1","doi-asserted-by":"publisher","DOI":"10.1515\/nanoph\u20102019\u20100570"},{"key":"e_1_2_11_19_1","doi-asserted-by":"publisher","DOI":"10.1186\/s11671\u2010015\u20100941\u20100"},{"key":"e_1_2_11_20_1","doi-asserted-by":"publisher","DOI":"10.1063\/5.0209866"},{"key":"e_1_2_11_21_1","doi-asserted-by":"publisher","DOI":"10.1515\/nanoph\u20102021\u20100552"},{"key":"e_1_2_11_22_1","doi-asserted-by":"publisher","DOI":"10.1038\/nphoton.2016.21"},{"key":"e_1_2_11_23_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.pquantelec.2014.11.001"},{"key":"e_1_2_11_24_1","doi-asserted-by":"publisher","DOI":"10.1364\/OE.494251"},{"key":"e_1_2_11_25_1","doi-asserted-by":"publisher","DOI":"10.1038\/ncomms9652"},{"key":"e_1_2_11_26_1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevB.98.195110"},{"key":"e_1_2_11_27_1","doi-asserted-by":"publisher","DOI":"10.1063\/1.338116"},{"key":"e_1_2_11_28_1","doi-asserted-by":"publisher","DOI":"10.1049\/el:20072837"},{"key":"e_1_2_11_29_1","doi-asserted-by":"publisher","DOI":"10.1109\/2944.720477"},{"key":"e_1_2_11_30_1","doi-asserted-by":"publisher","DOI":"10.1002\/qute.202100002"},{"key":"e_1_2_11_31_1","doi-asserted-by":"publisher","DOI":"10.1038\/nphoton.2016.203"},{"key":"e_1_2_11_32_1","doi-asserted-by":"publisher","DOI":"10.1002\/adem.202300889"},{"key":"e_1_2_11_33_1","doi-asserted-by":"publisher","DOI":"10.1063\/1.2786836"},{"key":"e_1_2_11_34_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00340\u2010015\u20106305\u20108"},{"key":"e_1_2_11_35_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.280.5361.262"},{"key":"e_1_2_11_36_1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.84.733"},{"key":"e_1_2_11_37_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.apsusc.2020.146713"},{"key":"e_1_2_11_38_1","doi-asserted-by":"publisher","DOI":"10.1088\/1361\u20106641\/ab2c24"},{"key":"e_1_2_11_39_1","doi-asserted-by":"publisher","DOI":"10.1063\/1.2208371"},{"key":"e_1_2_11_40_1","doi-asserted-by":"publisher","DOI":"10.1063\/1.1412279"},{"key":"e_1_2_11_41_1","unstructured":"J. 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