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Deterministic Single-Photon and Polarization-Correlated Photon Pair Generations From a Single InAlAs Quantum Dot

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Title: Deterministic Single-Photon and Polarization-Correlated Photon Pair Generations From a Single InAlAs Quantum Dot
Authors: Kumano, Hidekazu Browse this author →KAKEN DB
Kimura, Satoshi Browse this author
Endo, Michiaki Browse this author
Sasakura, Hirotaka Browse this author →KAKEN DB
Adachi, Satoru Browse this author →KAKEN DB
Muto, Shunichi Browse this author →KAKEN DB
Suemune, Ikuo Browse this author →KAKEN DB
Issue Date: Apr-2006
Publisher: American Scientific Publishers
Journal Title: Journal of Nanoelectronics and Optoelectronics
Volume: 1
Issue: 1
Start Page: 39
End Page: 51
Publisher DOI: 10.1166/jno.2006.003
Abstract: Photon emission with nonclassical photon statistics is discussed with a single InAlAs quantum dot. The deterministic single-photon generation in which the emitted photon wavelength matches well to the highly sensitive wavelength region of highly efficient, low-noise Si-single-photon detectors and also to an atmospheric transmission window is demonstrated. Competing transition processes between neutral and charged exciton species originating from an exclusive formation in the same single quantum dot are clarified. It was found that suppressing the charged exciton formation is possible by a quasi-resonant excitation for a deterministic monochromatic single-photon generation. Polarization-dependent photoluminescence spectroscopy clearly indicates the preservation of photon polarizations between photons emitted by biexciton/exciton recombinations. Furthermore, the deterministic polarization-correlated photon pair generation with biexciton-exciton cascaded transition occurring in a single quantum dot is directly confirmed by the polarized second-order photon correlation measurements. This indicates a longer polarization flip time than the exciton lifetime, which is an essential requirement for the deterministic Einstein-Podolsky-Rosen photon pair generation under the present biexciton-exciton cascaded transition scheme.
Rights: Copyright (c) 2006 American Scientific Publishers.
Type: article
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: 熊野 英和

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