Abdulmalik A. Madigawa, Martin Arentoft Jacobsen, Claudia Piccinini, Paweł Wyborski, Ailton Garcia Jr., Saimon F. Covre da Silva, Armando Rastelli, Battulga Munkhbat, Niels Gregersen
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Inside Front Cover: Deterministic Fabrication of GaAs-Quantum-Dot Micropillar Single-Photon Sources (Adv. Quantum Technol. 8/2025)
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.
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