期刊
PHYSICAL REVIEW APPLIED
卷 6, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevApplied.6.024010
关键词
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资金
- Australian Research Council [DE130100592]
- AOARD Grant [FA2386-15-1-4044]
- Singapore National Research Foundation through a Singapore NRF fellowship [NRF-NRFF2015-03]
- Singapore National Research Foundation through its Competitive Research Programme (CRP Award) [NRF-CRP14-2014-02]
- Nanyang Technological University [M4081441]
Near transform-limited single-photon sources are required for perfect photon indistinguishability in quantum networks. Having such sources in nanodiamonds is particularly important since it can enable engineering hybrid quantum-photonic systems. In this paper, we report the generation of optically stable, nearly transform-limited single silicon-vacancy emitters in nanodiamonds. Lines as narrow as 325 MHz are reported, which is close to the lifetime-limited linewidth (141 MHz). Moreover, the emitters exhibit minimal spectrum diffusion and high photostability, even if pumped well above saturation. Our results suggest that nanodiamonds can host color centers with superior properties suitable for hybrid photonic devices and quantum information.
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