Electro-Optic Modulators Using Double Antenna-Coupled Electrodes for Radio-over-Fiber Systems
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概要
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We propose new electro-optic modulators using a double antenna-coupled electrode structure for radio-over-fiber systems. The proposed modulators are composed of a pair of patch antennas and a standing-wave resonant electrode. By utilizing a pair of patch antennas on SiO2 substrates and a coupled-microstrip line resonant electrode on a LiNbO3 substrate with a symmetric configuration, high-efficiency optical modulation is obtainable for 2 ∼ 4 optical waveguides at the same time. The proposed modulators were designed at 58GHz and their basic operations were demonstrated successfully with an improvement of 9dB compared to a single antenna-coupled electrode device on a LiNbO3 substrate in our previous work.
著者
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Okamura Yasuyuki
Graduate School Of Engineering Science Osaka University
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Murata Hiroshi
Graduate School Of Engineering Science Osaka University
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OKAMURA Yasuyuki
Graduated School of Engineering Science, Osaka University
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KOHMU Naohiro
Graduated School of Engineering Science, Osaka University
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