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경사진 파이버 격자를 이용한 광 Add/Drop 다중화기에 관한 연구 원문보기
(The) Optical Add-Drop Multiplexer Using a Blazed Fiber Bragg Gratings

  • 저자

    이종윤

  • 학위수여기관

    湖西大學校 大學院

  • 학위구분

    국내석사

  • 학과

    전자공학과 광파통신 전공

  • 지도교수

  • 발행년도

    2002

  • 총페이지

    iii, 55p.

  • 키워드

    경사 파이버 격자 다중화기;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T10050972&outLink=K  

  • 초록

    The recent, WDM(Wavelength Division Multiplexer) is one of technology that is study a lot of. In this paper, we be used to the blazed optical fiber Bragg grating for implement of WDM optical communication system. In Blazed FBG(fiber Bragg grating), we considered about OADM(Optical Add/Drop Multiplexer) be used to the null coupler be can design a small size or/and on light weight of device's that is transmission line the optical signal on choice the only particular wavelength channel of Mux or Demux the multi-wavelength. For these, in this paper we proposed the OADM design data of optimum to analyze the characteristic on each port of the OADM based on Y-branch theory and null coupler, the consider blazed fiber grating using coupled mode theory and wave equation based on the perturbation theory of the dielectric tensor. Also, we proposed the design data of optimum to analyze the output characteristic of the OADM null coupler through simulation results be used the computer program. In this paper, we simulated the output characteristic for various refractive indices and with various grating lengths and of grating blazed angle. The detail study simulation results is the table from 1 to 6 shown. For results data obtained by the simulation, using a null coupler OADM is of the grating blazed angle and , of output spectra the characteristic best line-width and side-lobe low shown. Therefore we DWDM(Dense WDM) in form the channel spacing 200[GHz] , 50[GHz] optical communication system suitable data. For results data obtained by the simulation, OADM is to obtain ideal operation characteristic. But, we arises the grating lengths and the refractive indices and of the grating blazed angle, increase the line-width and the side-lobe in OADM each of port for various in output characteristic. Forward, we hope that the obtained results in this paper can be as the data to design the OADM based on null coupler structure with blazed FBG.


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