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Self-assembly method of linearly aligning ZnO quantum dots for a nanophotonic signal transmission device

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Title: Self-assembly method of linearly aligning ZnO quantum dots for a nanophotonic signal transmission device
Authors: Yatsui, T. Browse this author
Ryu, Y. Browse this author
Morishima, T. Browse this author
Nomura, W. Browse this author
Kawazoe, T. Browse this author
Yonezawa, T. Browse this author →KAKEN DB
Washizu, M. Browse this author
Fujita, H. Browse this author
Ohtsu, M. Browse this author
Issue Date: 29-Mar-2010
Publisher: American Institute of Physics
Journal Title: Applied Physics Letters
Volume: 96
Issue: 13
Start Page: 133106
Publisher DOI: 10.1063/1.3372639
Abstract: We report a self-assembly method that aligns nanometer-sized quantum dots (QDs) into a straight line along which photonic signals can be transmitted by optically near-field effects. ZnO QDs were bound electrostatically to DNA to form a one-dimensional QD chain. The photoluminescence intensity under parallel polarization excitation along the QDs chain was much greater than under perpendicular polarization excitation, indicating an efficient signal transmission along the QD chain. As optical near-field energy can transmit through the resonant energy level, nanophotonic signal transmission devices have a number of potential applications, such as wavelength division multiplexing using QDs of different sizes.
Rights: Copyright 2010 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 Appl. Phys. Lett. 96, 133106 and may be found at
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 米澤 徹

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