An Integrated Acoustooptic Frequency Shifter Driven by Surface Acoustic Wave for 1.55 μm Optical Wavelength
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概要
- 論文の詳細を見る
An integrated acoustooptic frequency shifter in a crossed-channel waveguide is demonstrated at an optical wavelength of 1.55 μm. A novel tapered device was designed to make the acoustooptic interaction region longer and thus the driving surface acoustic wave (SAW) power lower, and the device was fabricated by the proton-exchange method and post-annealing in a 128° rotated Y-cut LiNbO3 substrate. At SAW power of 1.4 W, a 40% diffraction efficiency and a bandwidth of 5 MHz centered at 196 MHz were obtained. The frequency shift of Bragg diffracted light was confirmed in an optical heterodyne experiment.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2003-05-15
著者
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Zou Nianyu
Research Institute Of Electrical Communication Tohoku University
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Kitamura Michihide
Faculty Of Engineering Yamanashi University
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Nakagawa Yasuhiko
Facully Of Engineering Yamanashi University
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Kakio Shoji
Faculty Of Engineering Yamanashi University
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Ito Hiromasa
Research Institute Of Electrical Communication Tohoku University
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Kitamura Michihide
Faculty of Engineering, Yamanashi University, Takeda-4, Kofu 400-8511, Japan
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Nakagawa Yasuhiko
Faculty of Engineering, Yamanashi University, Takeda-4, Kofu 400-8511, Japan
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