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Two-photon interference and coherent control of single InAs quantum dot emissions in an Ag-embedded structure

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/57112

Title: Two-photon interference and coherent control of single InAs quantum dot emissions in an Ag-embedded structure
Authors: Liu, X. Browse this author
Kumano, H. Browse this author
Nakajima, H. Browse this author
Odashima, S. Browse this author
Asano, T. Browse this author
Kuroda, T. Browse this author
Suemune, I. Browse this author →KAKEN DB
Issue Date: 28-Jul-2014
Publisher: American Institute of Physics
Journal Title: Journal of applied physics
Volume: 116
Issue: 4
Start Page: 043103-1
End Page: 043103-6
Publisher DOI: 10.1063/1.4891224
Abstract: We have recently reported the successful fabrication of bright single-photon sources based on Ag-embedded nanocone structures that incorporate InAs quantum dots. The source had a photon collection efficiency as high as 24.6%. Here, we show the results of various types of photonic characterizations of the Ag-embedded nanocone structures that confirm their versatility as regards a broad range of quantum optical applications. We measure the first-order autocorrelation function to evaluate the coherence time of emitted photons, and the second-order correlation function, which reveals the strong suppression of multiple photon generation. The high indistinguishability of emitted photons is shown by the Hong-Ou-Mandel-type two-photon interference. With quasi-resonant excitation, coherent population flopping is demonstrated through Rabi oscillations. Extremely high single-photon purity with a g((2))(0) value of 0.008 is achieved with pi-pulse quasi-resonant excitation.
Rights: Copyright 2014 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Journal of Applied Physics and may be found at http://scitation.aip.org/content/aip/journal/jap/116/4/10.1063/1.4891224.
Type: article
URI: http://hdl.handle.net/2115/57112
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 末宗 幾夫

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