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IEICE TRANSACTIONS on Electronics

Single Photonic-Crystal Defect Switch for All-Optical Ultrafast Operation Using Two Photon Absorption

Kyozo KANAMOTO, Sheng LAN, Naoki IKEDA, Yu TANAKA, Yoshimasa SUGIMOTO, Kiyoshi ASAKAWA, Hiroshi ISHIKAWA

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Summary :

An all-optical switch based on a single photonic crystal defect with an air-bridge configuration and two-photon absorption was proposed, fabricated and characterized. In optical measurements, we obtained a sharp defect mode with a quality factor higher than 600 at 1.55 µm. More importantly, we observed its nonlinear response to the excitation of ultrashort pulses by utilizing two-photon absorption. Nonliner refractive index change of about -410-3 was achieved at a pumping power density of 3.6109 W/cm2.

Publication
IEICE TRANSACTIONS on Electronics Vol.E87-C No.7 pp.1142-1147
Publication Date
2004/07/01
Publicized
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DOI
Type of Manuscript
Special Section PAPER (Special Section on Ultrafast Photonics)
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