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COUPLED MODE ANALYSIS OF NONLINEAR OPTICAL FIBER DIRECTIONAL COUPLER

Kiyotoshi YASUMOTONaohiro MITSUNAGA

Department of Computer Science and Communication Engineering Kyushu University 36,Fukuoka 812-81,Japan

摘要:<正>1.INTRODUCTION Nonlinear guided wave devices are currently the topic of major interest for ultra-high-speed optical signal processing.One of the most promising devices is nonlinear directional couplers that consists of two closely spaced,parallel,single mode optical fibers with cores of Kerr-like nonlinear materials.During the past decade,the power-dependent transfer characteristics in nonlinear fiber couplers have been extensively investigated by using the coupled-mode theory[l]-[4].It is now well-known that a nonlinear fiber coupler with a suitable length behaves as an optical switch[5].The output channel is changed from one core to the other when the input powers exceed some critical level.However those studies are based on the scalar wave approximation for optical fibers,and hence the polarization effect in the coupler has been ignored.
会议名称:

1996年中日联合微波技术会议

会议时间:

1996-04-25

会议地点:

中国安徽合肥

  • 专辑:

    信息科技

  • 专题:

    无线电电子学

  • 分类号:

    TN622

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