Guided-wave Optical Processing Devices Using Magneto-static Surface Wave

使用静磁表面波的导波光学处理装置

基本信息

  • 批准号:
    61550279
  • 负责人:
  • 金额:
    $ 1.09万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for General Scientific Research (C)
  • 财政年份:
    1986
  • 资助国家:
    日本
  • 起止时间:
    1986 至 1987
  • 项目状态:
    已结题

项目摘要

The purpose of this project is to investigate the investigate the interaction between the optical and the magneto-static waves in magneto-optic waveguides and its application to guided-wave optical processing devices. We have studied the following items. 1. Preparation of magnetic thin-films: In the project we have prepared La and Ga substituted Y_3Fe_3O_<12> single crystal films on Gd_3Ga_5O_<12> substrates by Liquid Phase Epitaxy. On the films single-mode channel optical waveguides have been fabricated with the width of the order of micronmeter. Regarding the magneto-static waves, magnetic thin-film structures provide the waveguide.2. Optical waveguiding experiment: A light beam at a wavelength of 1.15um of He-Ne laser was launched into the optical waveguides. We confirmed its operation as the single-mode channel waveguide.3. Magneto-static wave excitation: The magneto-static waves in magnetic layered structure have been excited by a transducer using a microstripline. Three types of … More magneto-static waves have been confirmed to be launched. The most efficiently excited wave was the magneto-static surface wave of interest here.4. Magneto-optic effect in optical waveguides: We have made two kinds of experiments to demonstrate the magneto-optic effect in optical waveguides by an esternal magnetic filed. The first one is a mode conversion between the orthogonally polarized modes through the magnetic field applied along the direction of propagation. The second one is a nonreciprocal phase shift due to the magnetic field aligned transversely to the propagation. From these experiments we obtained the value of the magneto-optic effect. Comparing it with that of the bulk single crystal, we have confirmed the grown films had a good quality in optical.5. Microwave characteristics of magneto-static waves: Transmission characteristic of the three types of magneto-static waves have been found to be that of a band pass filter at the frequency of 2 through 6GHz. Their pass band could be varied with the applied magnetic field.6. Interaction between optical and magneto-static surface waves: We made no experiment on the interaction between the optical and the magneto-static surface waves in optical waveguides. However, according to the theoretical analysis we have a prospect of realizing the optical processing by use of the magneto-optic waveguides prepared here. Less
本计画的目的是探讨磁光波导中光波与静磁波的相互作用及其在导波光学处理装置上的应用。我们研究了以下项目。1.磁性薄膜的制备:本课题采用液相外延法在Gd_3Ga_5O_2衬底上制备了La和Ga掺杂的<12>Y_3Fe_3O_2单晶薄膜<12>。在此薄膜上制作出了宽度为微米量级的单模通道光波导。对于静磁波,磁性薄膜结构提供了波导.光波导实验:将波长为1.15 μ m的He-Ne激光束入射到光波导中。我们证实了它作为单模沟道波导工作.静磁波激发:利用微带线换能器在磁性层状结构中激发出静磁波。三种类型的 ...更多信息 静磁波已被证实发射。最有效的激发波是这里感兴趣的静磁表面波。光波导中的磁光效应:我们做了两种实验来演示在外部磁场作用下光波导中的磁光效应。第一种是通过沿传播方向沿着施加磁场实现正交偏振模式之间的模式转换。第二种是由于磁场横向于传播方向而引起的非互易相移。从这些实验中,我们得到的磁光效应的值。通过与体单晶的比较,证实了生长的薄膜具有良好的光学质量.静磁波的微波特性:已经发现三种静磁波的传输特性在2至6 GHz的频率下是带通滤波器的特性。它们的通带可以随外加磁场的变化而变化.光表面波与静磁表面波之间的相互作用:我们没有对光波导中光表面波与静磁表面波之间的相互作用进行实验。理论分析表明,利用本文制备的磁光波导实现光加工是有前景的。少

项目成果

期刊论文数量(8)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
OKAMURA Yasuyuki, INUZUKA Hirosei, and YAMAMOTO, Sadahiko: "Nonreciprocal Propagation in Magnetooptic YIG Rib Waveguides" IEEE Journal of Lightwave Technology. LT-4. 711-714 (1986)
OKAMURA Yasuyuki、INUZUKA Hirosei 和 YAMAMOTO Sadahiko:“磁光 YIG 肋状波导中的非互易传播”IEEE 光波技术杂志。
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    0
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INUZUKA Hirosei, OKAMURA Yasuyuki, and YAMAMOTO Sadahiko: "Nonreciprocal Phase Characteristics of Single-mode Magneto-optic Rib Waveguides" Transactions IEICE. J71-C. (1988)
INUZUKA Hirosei、OKAMURA Yasuyuki 和 YAMAMOTO Sadahiko:“单模磁光肋形波导的非互易相位特性”交易 IEICE。
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    0
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大塚博誠: 電子情報通信学会論文誌(C). J71-C. (1988)
Hiroyuki Otsuka:电子、信息和通信工程师学会汇刊 (C) (1988)。
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    0
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Yasuyuki Okamura: Electronics Letters. Vol.22. 843-844 (1986)
冈村康幸:《电子快报》。
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犬塚博誠: 昭和61年度電子通信学会光・電波部門全国大会講演論文集. 分冊2. 2-107 (1986)
Hiroyuki Inuzuka:1986 年电子和通信工程师学会光学和无线电分会全国会议记录,第 2 卷 2-107(1986 年)。
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YAMAMOTO Sadahiko其他文献

YAMAMOTO Sadahiko的其他文献

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{{ truncateString('YAMAMOTO Sadahiko', 18)}}的其他基金

Research for optical mixing with advanced functions
具有先进功能的光学混频研究
  • 批准号:
    13450142
  • 财政年份:
    2001
  • 资助金额:
    $ 1.09万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Research on integrated optic frequency converter with wavelength filter
带波长滤波器的集成光变频器的研究
  • 批准号:
    09650384
  • 财政年份:
    1997
  • 资助金额:
    $ 1.09万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
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