Hybrid nanocavity resonant enhancement of color center emission in diamond

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DOIResolve DOI: http://doi.org/10.1103/PhysRevX.1.011007
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TypeArticle
Journal titlePhysical Review X
ISSN2160-3308
Volume1
Issue1
Pages17; # of pages: 7
SubjectDiamond substrates; Diamond surfaces; Enhanced Emission; Low temperatures; Nano-cavities; Nanophysics; NV center; Quantum Information; Resonant enhancements; Single crystal diamond; Spontaneous emission lifetime; Whispering gallery modes; Zero-phonon line; Color centers; Gallium phosphide; Phonons; Photonics; Quantum optics; Diamonds
AbstractResonantly enhanced emission from the zero-phonon line of a diamond nitrogen-vacancy (NV) center in single crystal diamond is demonstrated experimentally using a hybrid whispering gallery mode nanocavity. A 900 nm diameter ring nanocavity formed from gallium phosphide, whose sidewalls extend into a diamond substrate, is tuned onto resonance at a low temperature with the zero-phonon line of a negatively charged NV center implanted near the diamond surface. When the nanocavity is on resonance, the zero-phonon line intensity is enhanced by approximately an order of magnitude, and the spontaneous emission lifetime of the NV is reduced by as much as 18%, corresponding to a 6.3X enhancement of emission in the zero photon line.
Publication date
LanguageEnglish
Peer reviewedYes
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This is a non-NRC publication

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NPARC number21272024
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Record identifierb26700cd-1e0f-41c8-86ab-e552dfcf7dc4
Record created2014-05-21
Record modified2016-05-09
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