Scientists are actively developing new tools for quantum networks, focusing on single-photon emitters operating within the telecommunication C-band (1530-1565nm). Joshua Bader at RMIT University and colleagues, in collaboration with National Institutes for Quantum Science and Technology, The University of Melbourne, Carnegie Mellon University, University of New South Wales, and 1 other institutions, report room temperature single-photon emission from erbium-dopants embedded within a 4H-silicon-carbide-on-insulator microring resonator. This achievement overcomes previous limitations associated with cryogenic operation and low emission rates, paving the way for more practical and scalable quantum technologies. The ability to operate at room temperature significantly reduces the complexity and cost of quantum systems, facilitating wider adoption and integration into existing infrastructure.
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