Bright room temperature single photon source at telecom range in cubic silicon carbide

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作者：
Junfeng Wang
Yu Zhou
Ziyu Wang
Abdullah Rasmita
Jianqun Yang
Xingji Li
Hans Jürgen von Bardeleben
Weibo Gao
机构：
[1] Nanyang Technological University,Division of Physics and Applied Physics, School of Physical and Mathematical Sciences
[2] Harbin institute of Technology,School of Materials Science and Engineering
[3] UMR 7588 au CNRS 4 place Jussieu,INSP, Université Pierre et Marie Curie
[4] Nanyang Technological University,The Photonics Institute and Centre for Disruptive Photonic Technologies
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Nature Communications | / 9卷
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摘要：
Single-photon emitters (SPEs) play an important role in a number of quantum information tasks such as quantum key distributions. In these protocols, telecom wavelength photons are desired due to their low transmission loss in optical fibers. In this paper, we present a study of bright single-photon emitters in cubic silicon carbide (3C-SiC) emitting in the telecom range. We find that these emitters are photostable and bright at room temperature with a count rate of ~ MHz. Altogether with the fact that SiC is a growth and fabrication-friendly material, our result may be relevant for future applications in quantum communication technology.
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