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Metal-coated semiconductor nanostructures and simulation of photon extraction and coupling to optical fibers for a solid-state single-photon source

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/57451

Title: Metal-coated semiconductor nanostructures and simulation of photon extraction and coupling to optical fibers for a solid-state single-photon source
Authors: Suemune, Ikuo Browse this author →KAKEN DB
Nakajima, Hideaki Browse this author
Liu, Xiangming Browse this author
Odashima, Satoru Browse this author
Asano, Tomoya Browse this author
Iijima, Hitoshi Browse this author
Huh, Jae-Hoon Browse this author
Idutsu, Yasuhiro Browse this author
Sasakura, Hirotaka Browse this author →KAKEN DB
Kumano, Hidekazu Browse this author →KAKEN DB
Issue Date: 15-Nov-2013
Publisher: IOP Publishing
Journal Title: Nanotechnology
Volume: 24
Issue: 45
Start Page: (455205)1
End Page: (455205)9
Publisher DOI: 10.1088/0957-4484/24/45/455205
PMID: 24141080
Abstract: We have realized metal-coated semiconductor nanostructures for a stable and efficient single-photon source (SPS) and demonstrated improved single-photon extraction efficiency by the selection of metals and nanostructures. We demonstrate with finite-difference time-domain (FDTD) simulations that inclination of a pillar sidewall, which changes the structure to a nanocone, is effective in improving the photon extraction efficiency. We demonstrate how such nanocone structures with inclined sidewalls are fabricated with reactive ion etching. With the optimized design, a photon extraction efficiency to outer airside as high as similar to 97% generated from a quantum dot in a nanocone structure is simulated, which is the important step in realizing SPS on-demand operations. We have also examined the direct contact of such a metal-embedded nanocone structure with a single-mode fiber facet as a simple and practical method for preparing fiber-coupled SPS and demonstrated practical coupling efficiencies of similar to 16% with FDTD simulation.
Rights: © 2013 IOP Publishing Ltd
Relation: http://iopscience.iop.org/0957-4484/24/45/455205/
Type: article (author version)
URI: http://hdl.handle.net/2115/57451
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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