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Efficient planar-type butt coupling of a proton-exchanged waveguide on a Z-cut LiTaO3 substrate

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  • Photonics and optoelectronics
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Abstract

A half-wave thin film was formed on the facet of a proton-exchanged waveguide by the oblique deposition of Ta2O5. Planar-type butt coupling of the waveguide on the z-cut LiTaO3 substrate to the AlGaAs laser diode in transverse electric mode oscillation was realized with coupling efficiency as high as 53%.

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Authors and Affiliations

  1. Optical Disk Systems Development Center, Matsushita Electric Industrial Co., Ltd., 3-1-1, Yagumo-nakamachi, Moriguchi, 570, Osaka, Japan

    Yasuo Kitaoka, Hidehiko Wada, Seiji Nishino, Kiminori Mizuuchi, Kazuhisa Yamamoto & Makoto Kato

Authors
  1. Yasuo Kitaoka
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  2. Hidehiko Wada
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  3. Seiji Nishino
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  4. Kiminori Mizuuchi
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  5. Kazuhisa Yamamoto
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  6. Makoto Kato
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Kitaoka, Y., Wada, H., Nishino, S. et al. Efficient planar-type butt coupling of a proton-exchanged waveguide on a Z-cut LiTaO3 substrate. Optical Review 3, 481–483 (1996). https://doi.org/10.1007/BF02932053

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  • DOI: https://doi.org/10.1007/BF02932053

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