Polarization-Independent and Optical-Damage-Insensitive LiNbO_3 Interferometric Waveguide Modulator : Waves, Optics and Quantum Electronics
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概要
- 論文の詳細を見る
A polarization-independent Mach-Zehnder interferometric light modulator consisting of z-propagation Ti-indiffused waveguides is fabricated on an x-cut LiNbO_3 substrate in which electrically induced phase shifts are nearly identical for TE and TM modes. The optimum Ti-film thickness for making the modulator is determined by measurements on the electrooptic property of the waveguides. Using the modulator we have achieved an extinction ratio of 〜17 dB with a 14.5 V drive voltage for both modes and low sensitivity to optical damage at a wavelength of 633 nm.
- 社団法人応用物理学会の論文
- 1988-04-20
著者
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Okada M
Nagoya Univ. Nagoya Jpn
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AIDA Tahito
NHK Science and Technical Research Laboratories
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Otsuka M
Sumita Optical Glass Inc.
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TAKIZAWA Kuniharu
Science and Technical Research Laboratories, NHK (Japan Broadcasting Corporation)
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Aida T
Atr Adaptive Communications Research Laboratories
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Takizawa K
Department Of Electronics Nagoya University
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OKADA Masakatsu
Science and Technical Research Laboratories, Japan Broadcasting Corporation
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AIDA Tahito
Science and Technical Research Laboratories, Japan Broadcasting Corporation
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