Journal
NANO LETTERS
Volume 14, Issue 9, Pages 5281-5287Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl502327b
Keywords
Cavity QED; Purcell enhancement; photonic crystal cavity; silicon-vacancy (Siv) center; diamond
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Funding
- European Community [618078]
- EU [C/4-EFRE 13/2009/Br]
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Deterministic coupling of single solid-state emitters to nanocavities is the key for integrated quantum information devices. We here fabricate a photonic crystal cavity around a preselected single silicon-vacancy color center in diamond and demonstrate modification of the emitters internal population dynamics and radiative quantum efficiency. The controlled, room-temperature cavity coupling gives rise to a resonant Purcell enhancement of the zero-phonon transition by a factor of 19, coming along with a 2.5-fold reduction of the emitters lifetime.
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