期刊
APPLIED PHYSICS LETTERS
卷 105, 期 7, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4893612
关键词
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资金
- European Community [618078, 611143]
- EU [C/4-EFRE 13/2009/Br]
- Deutsche Forschungsgemeinschaft (DFG) [FOR1493]
We report the realization of a device based on a single Nitrogen-Vacancy (NV) center in diamond coupled to a fiber-cavity for use as single photon source (SPS). The device consists of two concave mirrors each directly fabricated on the facets of two optical fibers and a preselected nanodiamond containing a single NV center deposited onto one of these mirrors. Both, cavity in-and out-put are directly fiber-coupled, and the emission wavelength is easily tunable by variation of the separation of the two mirrors with a piezo-electric crystal. By coupling to the cavity, we achieve an increase of the spectral photon rate density by two orders of magnitude compared to free-space emission of the NV center. With this work, we establish a simple all-fiber based SPS with promising prospects for the integration into photonic quantum networks. (C) 2014 AIP Publishing LLC.
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