期刊
LASER & PHOTONICS REVIEWS
卷 9, 期 1, 页码 120-127出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/lpor.201400185
关键词
single-photon source; metamaterials; nitrogen-vacancy center; hyperbolic dispersion
资金
- AFOSR-MURI [FA9550-10-1-0264]
- ARO [57981-PH (W911NF-11-1-0359)]
- NSF-MRSEC [DMR-1120923]
The broadband enhancement of single-photon emission from nitrogen-vacancy centers in nanodiamonds coupled to a planar multilayer metamaterial with hyperbolic dispersion is studied experimentally. The metamaterial is fabricated as an epitaxial metal/dielectric superlattice consisting of CMOS-compatible ceramics: titanium nitride (TiN) and aluminum scandium nitride (AlxSc1-xN). It is demonstrated that employing the metamaterial results in significant enhancement of collected single-photon emission and reduction of the excited-state lifetime. Our results could have an impact on future CMOS-compatible integrated quantum sources.
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