High-Gain Optical Amplification of Europium–Aluminum (Eu3+–Al)-Nanocluster-Doped Planar Polymer Waveguides
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概要
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We have fabricated a planar poly(methyl methacrylate) (PMMA) optical waveguide doped with 10 wt % Eu–Al nanoclusters, and have successfully demonstrated optical amplification at 610 nm excited by a N2 laser ($\lambda=337$ nm). The gain of the optical amplification was found to be as high as 5.57 dB/mm, which, to the best of our knowledge, is the highest observed for various rare-earth (RE)-doped planar optical waveguides. An Er–Al-nanocluster-doped PMMA optical waveguide has also been successfully fabricated, and guided emission at around 1.55 μm has been observed in spite of the large absorption loss induced by PMMA. The RE-metal nanoclusters can therefore be regarded as promising candidates as the active materials for polymer-based waveguide-type optical amplification devices.
- 2007-01-25
著者
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Oe Kunishige
Department Of Electronics And Information Science Faculty Of Engineering And Design Kyoto Institute
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Tsuchii Kaname
Photo-functional Materials Research Laboratory Kri Inc.
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Yamashita Kenichi
Department Of Applied Chemistry School Of Engineering Kyushu University
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Mataki Hiroshi
Photo-functional Materials Research Laboratory Kri Inc.
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Taniguchi Hironori
Department Of Electronics Graduate School Of Science And Technology Kyoto Institute Of Technology
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Sun Jun
Photo-functional Materials Research Laboratory Kri Inc.
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Oe Kunishige
Department of Electronics, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
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Sun Jun
Photo-Functional Materials Research Laboratory, KRI, Inc., 134 Chudoji, Minami-machi, Shimogyo-ku, Kyoto 600-8813, Japan
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