Abdulmalik A. Madigawa, Martin Arentoft Jacobsen, Claudia Piccinini, Paweł Wyborski, Ailton Garcia Jr., Saimon F. Covre da Silva, Armando Rastelli, Battulga Munkhbat, Niels Gregersen
{"title":"Inside Front Cover: Deterministic Fabrication of GaAs-Quantum-Dot Micropillar Single-Photon Sources (Adv. Quantum Technol. 8/2025)","authors":"Abdulmalik A. Madigawa, Martin Arentoft Jacobsen, Claudia Piccinini, Paweł Wyborski, Ailton Garcia Jr., Saimon F. Covre da Silva, Armando Rastelli, Battulga Munkhbat, Niels Gregersen","doi":"10.1002/qute.70003","DOIUrl":null,"url":null,"abstract":"<p>Deterministic integration of droplet-etched GaAs quantum dots into micropillar cavities is demonstrated with 100% positioning yield. The collection efficiency for p-shell excitation is doubled by introducing charge stabilization using low-power above-band LED illumination. The deterministic integration method is then used to demonstrate suppression of radiation modes introduced by implementing cylindrical rings, and the fabricated devices emit high-purity single photons. More in article number 2500128, Battulga Munkhbat, Niels Gregersen, and co-workers.\n\n <figure>\n <div><picture>\n <source></source></picture><p></p>\n </div>\n </figure></p>","PeriodicalId":72073,"journal":{"name":"Advanced quantum technologies","volume":"8 8","pages":""},"PeriodicalIF":4.3000,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://advanced.onlinelibrary.wiley.com/doi/epdf/10.1002/qute.70003","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advanced quantum technologies","FirstCategoryId":"1085","ListUrlMain":"https://advanced.onlinelibrary.wiley.com/doi/10.1002/qute.70003","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"OPTICS","Score":null,"Total":0}
引用次数: 0
Abstract
Deterministic integration of droplet-etched GaAs quantum dots into micropillar cavities is demonstrated with 100% positioning yield. The collection efficiency for p-shell excitation is doubled by introducing charge stabilization using low-power above-band LED illumination. The deterministic integration method is then used to demonstrate suppression of radiation modes introduced by implementing cylindrical rings, and the fabricated devices emit high-purity single photons. More in article number 2500128, Battulga Munkhbat, Niels Gregersen, and co-workers.