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Front Cover: Photonic Jet Writing of Quantum Dots Self‐Aligned to Dielectric Microspheres (Adv. Quantum Technol. 9/2021)
Author(s) -
Ristori Andrea,
Hamilton Travis,
Toliopoulos Dimosthenis,
Felici Marco,
Pettinari Giorgio,
Sanguinetti Stefano,
Gurioli Massimo,
Mohseni Hooman,
Biccari Francesco
Publication year - 2021
Publication title -
advanced quantum technologies
Language(s) - English
Resource type - Reports
ISSN - 2511-9044
DOI - 10.1002/qute.202170091
Subject(s) - quantum dot , dielectric , fabrication , materials science , microsphere , photonics , optoelectronics , nanotechnology , nitride , luminescence , laser , quantum , optics , physics , chemical engineering , engineering , medicine , alternative medicine , pathology , layer (electronics) , quantum mechanics
Quantum dots (QDs) are promising candidates for the large‐scale implementation of quantum information technologies. In article number 2100045, Andrea Ristori, Francesco Biccari and co‐workers present a novel laser writing technique based on the properties of dielectric microspheres and on the effects of hydrogen in dilute nitrides. This technique enables the fabrication of GaAs 1− x N x QDs self‐aligned to the microspheres, leading to a 7‐fold enhancement of their luminescence collection with a NA = 0.7 objective. This simple approach can lead to new QD‐based devices.
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