We demonstrate a single photon source based on a single quantum dot in a circular grating microcavity and measure a collection efficiency of 10%. Tradeoffs between suppressed multi-photon probability and Purcell enhancement are investigated.
© 2012 OSA
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
S. Ates, L. Sapienza, M. Davanco, A. Badolato, and K. Srinivasan, "Bright single photon emission from a quantum dot in a circular dielectric grating," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (Optical Society of America, 2012), paper QF1E.7.
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