A Variable Optical Beam Splitter Utilizing a Tapered Velocity Coupler (Special Issue on Electromagnetic Theory)
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概要
- 論文の詳細を見る
A new type of variable beam splitter at optical frequencies is proposed. The basic structure of the device utilizes a tapered velocity coupler which is composed of a center slab waveguide of constant-thickness, constant-index type and two identical outer slab waveguides of constant-thickness, variableindex type. The coupler is assumed to be fabricated on a LiNbO_3 substrate, with an external electric field applied in parallel with the optical axis. The numerical results obtained with the finite difference method show that a wide range of splitting ratios can be obtained with moderate drive voltages and that the splitting characteristics are stable over a wide range of frequencies.
- 社団法人電子情報通信学会の論文
- 1994-11-25
著者
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堀田 昌志
山ロ大学
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堀田 昌志
山口大
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塚田 昌志
Graduate School Of Science And Engineering Yamaguchi University
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Hotta M
Ehime Univ. Matsuyama‐shi Jpn
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Hotta M
Graduate School Of Science And Engineering Yamaguchi University
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Hotta Masashi
The Faculty Of Engineering Ehime University
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Geshiro Masahiro
the College of Engineering, University of Osaka Prefecture
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Geshiro Masahiro
The College Of Engineering University Of Osaka Prefecture
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