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Proceedings Paper

Nanotechnologies of photonic crystals and quantum dots for ultrasmall and ultrafast all-optical switches
Author(s): Kiyoshi Asakawa; Yoshimasa Sugimoto; H. Nakamura; Naoki Ikeda; Y. Tanaka; Y. Nakamura; S. Ohkouchi; Kozyo Kanamoto; Hiroshi Ishikawa; Y. Watanabe; K. Inoue; H. Sasaki; Koji Ishida
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Paper Abstract

We have fabricated several two-dimensional photonic-crystal (2DPC) slab waveguides by using fine EB lithography and dry etching. The 2DPC waveguides include straight, bend and directional coupler on the GaAs/AlGaAs substrate as an application to the ultra-small and ultra-fast all-optical switching device (PC-SMZ). Site-controlled InAs quantum dots (QDs) responsible for nonlinear phase shift in the PC-SMZ have been investigated by developing a nano-probe assisted in-situ process. Optical linear and nonlinear properties of stacked QDs were characterized. The result exhibited the π/2 phase shift required for the SMZ-type optical switching operation. These results are capable of achieving the PC-SMZ.

Paper Details

Date Published: 25 March 2004
PDF: 15 pages
Proc. SPIE 5277, Photonics: Design, Technology, and Packaging, (25 March 2004); doi: 10.1117/12.531187
Show Author Affiliations
Kiyoshi Asakawa, Femtosecond Technology Research Association (Japan)
Yoshimasa Sugimoto, Femtosecond Technology Research Association (Japan)
H. Nakamura, Femtosecond Technology Research Association (Japan)
Naoki Ikeda, Femtosecond Technology Research Association (Japan)
Y. Tanaka, Femtosecond Technology Research Association (Japan)
Y. Nakamura, Femtosecond Technology Research Association (Japan)
S. Ohkouchi, Femtosecond Technology Research Association (Japan)
Kozyo Kanamoto, Femtosecond Technology Research Association (Japan)
Hiroshi Ishikawa, Femtosecond Technology Research Association (Japan)
Y. Watanabe, National Institute of Advanced Industrial Science and Technology (Japan)
K. Inoue, Chitose Institute of Science and Technology (Japan)
H. Sasaki, Chitose Institute of Science and Technology (Japan)
Koji Ishida, Chitose Institute of Science and Technology (Japan)


Published in SPIE Proceedings Vol. 5277:
Photonics: Design, Technology, and Packaging
Chennupati Jagadish; Kent D. Choquette; Benjamin J. Eggleton; Brett D. Nener; Keith A. Nugent, Editor(s)

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